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Ma F, Li Y, Han X, Li K, Zhao M, Guo L, Li S, Wang K, Qin K, Duan J, Liu Y, Xu Y. Microalgae-based biofertilizer improves fruit yield and controls greenhouse gas emissions in a hawthorn orchard. PLoS One 2024; 19:e0307774. [PMID: 39093909 PMCID: PMC11296634 DOI: 10.1371/journal.pone.0307774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 07/11/2024] [Indexed: 08/04/2024] Open
Abstract
Raising attentions have focused on how to alleviate greenhouse gas (GHG) emissions from orchard system while simultaneously increase fruit production. Microalgae-based biofertilizer represents a promising resource for improving soil fertility and higher productivity. However, the effects of microalgae application more especially live microalgae on GHG emissions are understudied. In this study, fruit yield and quality, GHG emissions, as well as soil organic carbon and nitrogen fractions were examined in a hawthorn orchard, under the effects of live microalgae-based biofertilizer applied at three doses and two modes. Compared with conventional fertilization, microalgae improved hawthorn yield by 15.7%-29.6% with a maximal increment at medium dose by root application, and significantly increased soluble and reducing sugars contents at high dose. While microalgae did not increase GHG emissions except for nitrous oxide at high dose by root application, instead it significantly increased methane uptake by 1.5-2.3 times in root application. In addition, microalgae showed an increasing trend in soil organic carbon content, and significantly increased the contents of soil dissolved organic carbon and microbial biomass carbon, as well as soil ammonium nitrogen and dissolved organic nitrogen at medium dose with root application. Overall, the results indicated that the live microalgae could be used as a green biofertilizer for improving fruit yield without increasing GHG emissions intensity and the comprehensive greenhouse effect, in particular at medium dose with root application. We presume that if lowering chemical fertilizer rates, application of the live microalgae-based biofertilizer may help to reduce nitrous oxide emissions without compromising fruit yield and quality.
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Affiliation(s)
- Fen Ma
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yingchun Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xue Han
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Kuo Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mingyue Zhao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Liping Guo
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shifeng Li
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
- Vegetation Restoration Engineering Technology Research Center, China Agricultural University, Beijing, China
| | - Kangjie Wang
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
- Yuncheng Famous and Excellent Agricultural Products Brand Construction Workstation, Yuncheng Agriculture and Rural Bureau of Shanxi Province, Yuncheng, China
| | - Kangxi Qin
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
| | - Jian Duan
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
| | - Yutong Liu
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
| | - Yuxuan Xu
- Shanxi School-Local Cooperative Microalgae Research Institute Co. Ltd., Yuncheng School-Local Cooperative Microalgae Research Institute, Yuncheng, China
- Microalgae Resources Agricultural Utilization Laboratory, Yuncheng Difulai Biotechnology Development Co. Ltd., Yuncheng, China
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Castro IMP, Rosa A, Borges A, Cunha F, Passos F. The effects of microalgae use as a biofertilizer on soil and plant before and after its anaerobic (co-)digestion with food waste. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 934:173301. [PMID: 38759922 DOI: 10.1016/j.scitotenv.2024.173301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/19/2024]
Abstract
The increase in food waste generation has resulted in significant challenges for its sustainable management. Anaerobic digestion coupled with microalgae-based ponds for digestate treatment can be used as a low-cost eco-friendly technology approach. In this case, microalgal biomass harvested from the ponds may be valorized into bioenergy (biogas) and soil conditioner and/or biofertilizers. The aim of the present study was to evaluate the microalgal biomass produced from a food waste digestate treatment ponds as agricultural fertilizer. For this purpose, microalgal biomass was tested before and after anaerobic digestion and co-digestion with food waste, exploring its potential for valorization. The inorganic fertilizer urea and soil with no fertilization were also used as treatments. The experimental design consisted of applying the treatments in pots cultivated with hybrid grass Brachiaria cv. Sabiá and distributed in randomized blocks in a controlled greenhouse. Microalgal biomass was mainly composed by Scenedesmus sp.. The assessed parameters showed comparable results on plant growth (i.e. number of tillers, fresh and dry matter and Chlorophyll content index) for fresh and digested microalgal biomass and inorganic fertilizer. Furthermore, it was observed that fresh microalgae provided the highest Phosphorus content in the leaf (21 %). Additionally, there were increases of 9 % in Nitrogen and 12 % in organic matter in the soil after applying digested microalgae compared to the control group without any fertilization. Finally, experimental data obtained suggests that microalgae-based biofertilizer holds the potential to replace inorganic fertilizer as a nutrient source. Moreover, it contributes to the valorization of by-products from organic waste treatment.
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Affiliation(s)
- Iacy Maria Pereira Castro
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos 6627, Campus Pampulha, 31270-901 Belo Horizonte, MG, Brazil; Group of Environmental Engineering and Microbiology, Department Civil and Environmental Engineering, Universitat Politècnica de Catalunya, c/ Jordi Girona 1-3, Barcelona 08034, Spain
| | - André Rosa
- Department of Agricultural Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus Universitario, 36570-900 Viçosa, MG, Brazil
| | - Allison Borges
- Department of Agricultural Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus Universitario, 36570-900 Viçosa, MG, Brazil
| | - Fernando Cunha
- Department of Agricultural Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus Universitario, 36570-900 Viçosa, MG, Brazil
| | - Fabiana Passos
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Av. Antônio Carlos 6627, Campus Pampulha, 31270-901 Belo Horizonte, MG, Brazil; Group of Environmental Engineering and Microbiology, Department Civil and Environmental Engineering, Universitat Politècnica de Catalunya, c/ Jordi Girona 1-3, Barcelona 08034, Spain.
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Liu XY, Hong Y, Zhang YW, Li LH. Valorization of treated swine wastewater and generated biomass by microalgae: Their effects and salt tolerance mechanisms on wheat seedling growth. ENVIRONMENTAL RESEARCH 2024; 251:118664. [PMID: 38499222 DOI: 10.1016/j.envres.2024.118664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/25/2024] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Abstract
The extensive use of mineral fertilizers has a negative impact on the environment, whereas wastewater and microalgal biomass can provide crops with nutrients such as nitrogen, phosphorus, and potassium, and have the potential to be used as a source of fertilizers in circular agriculture. In this study, a step-by-step resource utilization study of algae-containing wastewater generated from microalgae treatment of swine wastewater was carried out. When wheat seedlings were cultivated in the effluent after microalgae separation, the root fresh weight, seedling fresh weight, and total seedling length were increased by 3.44%, 14.45%, and 13.64%, respectively, compared with that of the algae-containing wastewater, and there was no significant difference in seedling fresh weight, total seedling length, maximum quantum yields of PSII photochemistry (Fv/Fm), and performance index (PIABS) from that of the Hogland solution group, which has the potential to be an alternative liquid fertilizer. Under salt stress, microalgae extract increased the contents of GA3, IAA, ABA, and SA in wheat seedlings, antioxidant enzymes maintained high activity, and the PIABS value increased. Low-dose microalgae extract (1 mL/L) increased the root fresh weight, seedling fresh weight, longest seedling length, and total seedling length by 30.73%, 31.28%, 16.43%, and 28.85%, respectively. Algae extract can act as a plant biostimulant to regulate phytohormone levels to attenuate the damage of salt stress and promote growth.
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Affiliation(s)
- Xiao-Ya Liu
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Yu Hong
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China.
| | - Yue-Wen Zhang
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
| | - Li-Hua Li
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China; Engineering Research Center for Water Pollution Source Control & Eco-remediation, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, 100083, China
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Zhang Z, Xu M, Fan Y, Zhang L, Wang H. Using microalgae to reduce the use of conventional fertilizers in hydroponics and soil-based cultivation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169424. [PMID: 38128652 DOI: 10.1016/j.scitotenv.2023.169424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
The intensive use of agrochemicals has led to nutrient loss, greenhouse gas emissions, and resource depletion, thus the development of sustainable agricultural solutions is required. Microalgal biomass has the potential to provide nutrients such as nitrogen, phosphorus, and potassium, along with various plant growth promoters, to enhance crop productivity and impart disease resistance. This study provides a comprehensive assessment of the potential applications of microalgal extracts and biomass in the contexts of seed germination, hydroponic systems, and soil-based crop cultivation. The results revealed that the extracts from Chlorella sp. and Anabaena sp. have no significant impact on the germination of wheat seeds. High concentrations of Chlorella sp. and Anabaena sp. cell extracts in hydroponics enhanced the length of cucumber seedling stems by 81.7 % and 58.3 %, respectively. Additionally, the use of microalgal cell extracts hindered root elongation while stimulating the growth of lateral and fibrous roots. Furthermore, the study compared the performance of 5 different fertilizers: 1) inorganic fertilizer (IF), 2) organic fertilizer (OF), 3) microalgae-based biofertilizer (MF), 4) inorganic fertilizer + microalgae-based biofertilizer (IM), 5) organic fertilizer + microalgae-based biofertilizer (OM). The findings indicate that the plant growth and soil physicochemical properties in the groups supplied with different fertilizers are comparable and significantly higher than those in the control group. The levels of protein, chlorophyll A, and chlorophyll B in the MF group increased significantly by 40 %, 29.2 %, and 33.5 %, respectively, compared to the control group. However, it remained notably lower compared to groups supplied with inorganic and organic fertilizers (p < 0.05). Combining microalgae with organic fertilizer can simultaneously enhance the yield and quality of Chinese cabbage, representing a promising source of crop nutrition. In conclusion, this study suggests that it is promising to use microalgae to reduce the use of conventional fertilizers in hydroponics and soil-based cultivation.
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Affiliation(s)
- Zhongyi Zhang
- Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao 266101, China
| | - Mei Xu
- Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao 266101, China
| | - Yong Fan
- Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao 266101, China
| | - Lunyu Zhang
- Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao 266101, China
| | - Hui Wang
- Qingdao C1 Refinery Engineering Research Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences (CAS), Qingdao 266101, China; Shandong Energy Research Institute, Qingdao 266101, China; Qingdao New Energy Shandong Laboratory, Qingdao 266101, China.
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Lorentz JF, Calijuri ML, Rad C, Cecon PR, Assemany PP, Martinez JM, Kholssi R. Microalgae biomass as a conditioner and regulator of soil quality and fertility. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:198. [PMID: 38265731 DOI: 10.1007/s10661-024-12355-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 01/11/2024] [Indexed: 01/25/2024]
Abstract
Characteristics of an acid soil cultivated with Urochloa brizantha cv. Marandu were evaluated in relation to two types of fertilization: a conventional one, chemical based on nitrogen and potassium, and a biofertilizer, based on microalgae biomass. The results were compared among three treatments, control, conventional, and biological fertilization, with seven replications each. The study evaluated microalgae community, total carbon and nitrogen contents, mineral nitrogen, and enzymatic activity. Chlorella vulgaris showed the highest organism density, which can be explained by its rapid growth and high resistance. The highest species diversity was detected in the control 1,380,938 org cm-3 and biological 1,841,250 org cm-3 treatments, with the latter showing a higher density of cyanobacteria, especially Pseudanabaena limnetica with 394,554 org cm-3. The soil treated with chemical fertilization showed higher nitrate (9.14 mg NKg-1 NO3--N) and potassium (52.32 mg dm-3) contents. The highest levels of sulfur (21.73 mg dm-3) and iron (96.46 mgdm-3) were detected in the biological treatment. The chemical treatment showed higher activity of the enzymes acid phosphatase, acetylglucosaminidase, and sulfatase, while α-glucosidase and leucine aminopeptidase stood out in the biological treatment. Soil properties were not significantly affected by the treatments. The use of microalgae biomass derived from wastewater treatment from milking parlors was evaluated and presented as a promising biofertilizer for agriculture, following the line of recovering nutrient-rich wastes. In this sense, although many challenges need to be overcome, the results suggest that microalgal-based fertilizers could lead to low-impact agriculture.
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Affiliation(s)
| | - Maria Lúcia Calijuri
- Department of Civil Engineering, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Carlos Rad
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
| | | | - Paula Peixoto Assemany
- Department of Environmental Engineering, Federal University of Lavras, Lavras, MG, Brazil
| | - Jorge Miñon Martinez
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
| | - Rajaa Kholssi
- Composting Research Group, Faculty of Sciences, University of Burgos, Burgos, Spain
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Abulaiti A, She D, Zhang W, Xia Y. Regulation of denitrification/ammonia volatilization by periphyton in paddy fields and its promise in rice yield promotion. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:4119-4130. [PMID: 36576004 DOI: 10.1002/jsfa.12403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/08/2022] [Accepted: 12/28/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Nitrogen (N) is the most limiting nutrient in rice production. N loss via denitrification and ammonia (NH3 ) volatilization decreases N utilization efficiency. The effect of periphyton (a widespread soil surface microbial aggregate in paddy soil) on N-cycling processes and rice growth in paddy soils remain unclear. The purpose of this study was to reveal the interactions of periphyton with the overlying water and sediment in paddy soils on denitrification/NH3 emissions and rice yield by combining pot experiments and path analysis modeling. RESULTS The sediment exerted significant direct and positive effects on denitrification. The periphyton both directly and indirectly enhanced denitrification, mainly by regulating the ammonium (NH4 + )-N content in the sediment. The total contribution of periphyton to denitrification was stronger than that of the overlying water but smaller than that of the sediment. The pH in the overlying water and the NH4 + -N content in the sediment had a strong positive effect on NH3 volatilization. Although the periphyton biomass and chlorophyll a directly prohibited NH3 emissions, this was counterbalanced by the indirect stimulation effects of the periphyton due to its positive alteration of the pH. Moreover, periphyton facilitated rice yield by 10.2% by releasing N. CONCLUSION Although the periphyton may have driven N loss by regulating the NH4 + -N content in the sediment and the pH in the overlying water, our study also found that the periphyton was considered a temporary N sink and provided a sustained release of N for rice, thus increasing the rice yield. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Alimu Abulaiti
- College of Agricultural Science and Engineering, Hohai University, Nanjing, China
- Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Nanjing, China
| | - Dongli She
- College of Agricultural Science and Engineering, Hohai University, Nanjing, China
- Jiangsu Province Engineering Research Center for Agricultural Soil-Water Efficient Utilization, Carbon Sequestration and Emission Reduction, Nanjing, China
| | - Wenjuan Zhang
- College of Agricultural Science and Engineering, Hohai University, Nanjing, China
| | - Yongqiu Xia
- Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
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Cao TND, Mukhtar H, Le LT, Tran DPH, Ngo MTT, Pham MDT, Nguyen TB, Vo TKQ, Bui XT. Roles of microalgae-based biofertilizer in sustainability of green agriculture and food-water-energy security nexus. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161927. [PMID: 36736400 DOI: 10.1016/j.scitotenv.2023.161927] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/22/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
For years, agrochemical fertilizers have been used in agriculture for crop production. However, intensive utilization of chemical fertilizers is not an ecological and environmental choice since they are destroying soil health and causing an emerging threat to agricultural production on a global scale. Under the circumstances of the increasing utilization of chemical fertilizers, cultivating microalgae to produce biofertilizers would be a wise solution since desired environmental targets will be obtained including (1) replacing chemical fertilizer while improving crop yields and soil health; (2) reducing the harvest of non-renewable elements from limited natural resources for chemical fertilizers production, and (3) mitigating negative influences of climate change through CO2 capture through microalgae cultivation. Recent improvements in microalgae-derived-biofertilizer-applied agriculture will be summarized in this review article. At last, the recent challenges of applying biofertilizers will be discussed as well as the perspective regarding the concept of circular bio-economy and sustainable development goals (SDGs).
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Affiliation(s)
- Thanh Ngoc-Dan Cao
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan, ROC
| | - Hussnain Mukhtar
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan, ROC
| | - Linh-Thy Le
- Faculty of Public Health, University of Medicine and Pharmacy at Ho Chi Minh City (UMP), Ward 11, District 5, Ho Chi Minh city 72714, Viet Nam; Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam
| | - Duyen Phuc-Hanh Tran
- Department of Civil Engineering, Chung Yuan Christian University, Taoyuan 32023, Taiwan, ROC; Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam
| | - My Thi Tra Ngo
- Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam
| | - Mai-Duy-Thong Pham
- Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam; Vietnam National University Ho Chi Minh (VNUT.HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam
| | - Thanh-Binh Nguyen
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan, ROC
| | - Thi-Kim-Quyen Vo
- Faculty of Biology and Environment, Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan street, Tan Phu district, Ho Chi Minh city 700000, Viet Nam; Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Viet Nam; Vietnam National University Ho Chi Minh (VNUT.HCM), Linh Trung ward, Ho Chi Minh City 700000, Viet Nam.
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Pereira ASADP, Magalhães IB, Ferreira J, Castro JDS, Calijuri ML. Microalgae organomineral fertilizer production: A life cycle approach. ALGAL RES 2023. [DOI: 10.1016/j.algal.2023.103035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Silva TA, Castro JSD, Ribeiro VJ, Ribeiro Júnior JI, Tavares GP, Calijuri ML. Microalgae biomass as a renewable biostimulant: meat processing industry effluent treatment, soil health improvement, and plant growth. ENVIRONMENTAL TECHNOLOGY 2023; 44:1334-1350. [PMID: 34719354 DOI: 10.1080/09593330.2021.2000646] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 10/25/2021] [Indexed: 06/13/2023]
Abstract
Microalgae biomass contributes to effluent bioremediation. It is a concentrated source of nutrients and organic carbon, making it a potential alternative as a soil biostimulant. In this context, this study aimed to evaluate the soil application of microalgae biomass produced from the meat processing industry effluent treatment. The biomass was applied dry and as a mixture to demonstrate its potential to increase plant production and soil metabolic functions, analyzed short-term. Doses of 0.25%, 0.5%, 1%, and 2% biomass were applied in soils from (i) Horizon A: taken at a depth between 0 and 10 cm and; (ii) Horizon B: taken at a depth between 20 and 40 cm. Corn growth (Zea Mays L.), basal soil respiration, microbial biomass carbon, total organic carbon, β-glucosidase, acid phosphatase, arylsulfatase, and urease enzymatic activity were evaluated in each sample. It is concluded that applying 2% microalgae biomass led to higher basal soil respiration, microbial biomass carbon, and β-glucosidase, acid phosphatase, arylsulfatase enzymatic activity in both soils. On the other hand, boron may have contributed to urease activity reduction in Soil A. Although 2% biomass led to higher soils characteristics, that dose did not promote higher plant growth. Hence, considering that plant growth must be in line with changes in soil characteristics, the result that provided the higher plant shoot dry matter mass was by applying 0.55% biomass in both soils. Therefore, the application of microalgae biomass produced from a meat processing industry effluent treatment promoted a biologically active soil and boosted plant growth.
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Affiliation(s)
- Thiago Abrantes Silva
- Department of Civil Engineering, Centre for Exact and Technological Sciences, Federal University of Viçosa, Viçosa, Brazil
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Parmar P, Kumar R, Neha Y, Srivatsan V. Microalgae as next generation plant growth additives: Functions, applications, challenges and circular bioeconomy based solutions. FRONTIERS IN PLANT SCIENCE 2023; 14:1073546. [PMID: 37063190 PMCID: PMC10101342 DOI: 10.3389/fpls.2023.1073546] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 01/05/2023] [Indexed: 06/19/2023]
Abstract
Sustainable agriculture practices involve the application of environment-friendly plant growth promoters and additives that do not negatively impact the health of the ecosystem. Stringent regulatory frameworks restricting the use of synthetic agrochemicals and the increase in demand for organically grown crops have paved the way for the development of novel bio-based plant growth promoters. In this context, microalgae biomass and derived agrochemicals offer novel sources of plant growth promotors that enhance crop productivity and impart disease resistance. These beneficial effects could be attributed to the presence of wide range of biomolecules such as soluble amino acid (AA), micronutrients, polysaccharides, phytohormones and other signaling molecules in microalgae biomass. In addition, their phototrophic nature, high photosynthetic efficiency, and wide environmental adaptability make them an attractive source of biostimulants, biofertilizers and biopesticides. The present review aims to describe the various plant growth promoting metabolites produced by microalgae and their effects on plant growth and productivity. Further, the effects elicited by microalgae biostimulants with respect to different modes of applications such as seed treatments, foliar spray and soil/root drenching is reviewed in detail. In addition, the ability of microalgae metabolites to impart tolerance against various abiotic and biotic stressors along with the mechanism of action is discussed in this paper. Although the use of microalgae based biofertilizers and biostimulants is gaining popularity, the high nutrient and water requirements and energy intensive downstream processes makes microalgae based technology commercially unsustainable. Addressing this challenge, we propose a circular economy model of microalgae mediated bioremediation coupled with biorefinery approaches of generating high value metabolites along with biofertilizer applications. We discuss and review new trends in enhancing the sustainability of microalgae biomass production by co-cultivation of algae with hydroponics and utilization of agriculture effluents.
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Affiliation(s)
- Priyanka Parmar
- Applied Phycology and Food Technology Laboratory, Council of Scientific and Industrial Research (CSIR)- Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Council of Scientific and Industrial Research -Human Resource Development Centre (CSIR-HRDC), Ghaziabad, Uttar Pradesh, India
| | - Raman Kumar
- Applied Phycology and Food Technology Laboratory, Council of Scientific and Industrial Research (CSIR)- Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Council of Scientific and Industrial Research -Human Resource Development Centre (CSIR-HRDC), Ghaziabad, Uttar Pradesh, India
| | - Yograj Neha
- Applied Phycology and Food Technology Laboratory, Council of Scientific and Industrial Research (CSIR)- Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
| | - Vidyashankar Srivatsan
- Applied Phycology and Food Technology Laboratory, Council of Scientific and Industrial Research (CSIR)- Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Council of Scientific and Industrial Research -Human Resource Development Centre (CSIR-HRDC), Ghaziabad, Uttar Pradesh, India
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11
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Álvarez-González A, Uggetti E, Serrano L, Gorchs G, Ferrer I, Díez-Montero R. Can microalgae grown in wastewater reduce the use of inorganic fertilizers? JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 323:116224. [PMID: 36126597 DOI: 10.1016/j.jenvman.2022.116224] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
Alternatives to conventional inorganic fertilizers are needed to cope with the growing global population and contamination due to the production and use of those inorganic compounds. The recovery of nutrients from wastewater and organic wastes is a promising option to provide fertilization in a circular economy approach. In this context, microalgae-based systems are an alternative to conventional wastewater treatment systems, reducing the treatment costs and improving the sustainability of the process, while producing nutrient-rich microalgal biomass. The aim of the present study is to evaluate the use of microalgal biomass produced during domestic wastewater treatment in high rate algal ponds as a biofertilizer in basil crops (Ocimum basilicum L.). Wastewater was successfully treated, with removal efficiencies in the secondary treatment of 69, 91 and 81% in terms of chemical oxygen demand (COD), total inorganic nitrogen (TIN) and phosphates (PO43-P), respectively. The microalgal biomass, composed mainly by Scenedesmus, presented the following composition: 12% of dry weight and nutrients concentration of 7.6% nitrogen (N), 1.6% phosphorus (P) and 0.9% potassium (K). The study compared the performance of 3 different fertilizers: 1) microalgae fertilizer (MF), 2) inorganic fertilizer (IF) as positive control and 3) the combination of both microalgae and inorganic fertilizer (MF + IF). Comparable plant growth (i.e., number of leaves, shoot fresh and dry weight and leaf fresh weight) was observed among treatments, except for leaf dry weight, which was significantly higher in the IF + MF and MF treatments (28 and 27%, respectively) in comparison with the control. However, the microalgae treatment provided the lowest chlorophyll, N and K leaf content. In conclusion, this study suggests that combining microalgae grown in wastewater with an inorganic fertilizer is a promising nutrients source for basil crops, enhancing the circular bioeconomy.
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Affiliation(s)
- Ana Álvarez-González
- GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya·BarcelonaTech, Jordi Girona 1-3, Building D1, 08034, Barcelona, Spain
| | - Enrica Uggetti
- GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya·BarcelonaTech, Jordi Girona 1-3, Building D1, 08034, Barcelona, Spain.
| | - Lydia Serrano
- Department of Agri-Food Engineering and Biotechnology, Universitat Politècnica de Catalunya BarcelonaTech, c/ Esteve Terradas 8, 08860, Castelldefels, Spain
| | - Gil Gorchs
- Department of Agri-Food Engineering and Biotechnology, Universitat Politècnica de Catalunya BarcelonaTech, c/ Esteve Terradas 8, 08860, Castelldefels, Spain
| | - Ivet Ferrer
- GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya·BarcelonaTech, Jordi Girona 1-3, Building D1, 08034, Barcelona, Spain
| | - Rubén Díez-Montero
- GEMMA - Group of Environmental Engineering and Microbiology, Department of Civil and Environmental Engineering, Universitat Politècnica de Catalunya·BarcelonaTech, Jordi Girona 1-3, Building D1, 08034, Barcelona, Spain; GIA - Group of Environmental Engineering, Department of Water and Environmental Sciences and Technologies, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Spain
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12
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Microbial-Mediated Emissions of Greenhouse Gas from Farmland Soils: A Review. Processes (Basel) 2022. [DOI: 10.3390/pr10112361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The greenhouse effect is one of the concerning environmental problems. Farmland soil is an important source of greenhouse gases (GHG), which is characterized by the wide range of ways to produce GHG, multiple influencing factors and complex regulatory measures. Therefore, reducing GHG emissions from farmland soil is a hot topic for relevant researchers. This review systematically expounds on the main pathways of soil CO2, CH4 and N2O; analyzes the effects of soil temperature, moisture, organic matter and pH on various GHG emissions from soil; and focuses on the microbial mechanisms of soil GHG emissions under soil remediation modes, such as biochar addition, organic fertilizer addition, straw return and microalgal biofertilizer application. Finally, the problems and environmental benefits of various soil remediation modes are discussed. This paper points out the important role of microalgae biofertilizer in the GHG emissions reduction in farmland soil, which provides theoretical support for realizing the goal of “carbon peaking and carbon neutrality” in agriculture.
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13
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From manure to high-value fertilizer: The employment of microalgae as a nutrient carrier for sustainable agriculture. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Li T, Wang Z, Wang C, Huang J, Feng Y, Shen W, Zhou M, Yang L. Ammonia volatilization mitigation in crop farming: A review of fertilizer amendment technologies and mechanisms. CHEMOSPHERE 2022; 303:134944. [PMID: 35577135 DOI: 10.1016/j.chemosphere.2022.134944] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Good practices in controlling ammonia produced from the predominant agricultural contributor, crop farming, are the most direct yet effective approaches for mitigating ammonia emissions and further relieving air pollution. Of all the practices that have been investigated in recent decades, fertilizer amendment technologies are garnering increased attention as the low nitrogen use efficiency in most applied quick-acting fertilizers is the main cause of high ammonia emissions. This paper systematically reviews the fertilizer amendment technologies and associated mechanisms that have been developed for ammonia control, especially the technology development of inorganic additives-based complex fertilizers, coating-based enhanced efficiency fertilizers, organic waste-based resource fertilizers and microbial agent and algae-based biofertilizers, and their corresponding mechanisms in farmland properties shifting towards inhibiting ammonia volatilization and enhancing nitrogen use efficiency. The systematic analysis of the literature shows that both enhanced efficiency fertilizers technique and biofertilizers technique present outstanding ammonia inhibition performance with an average mitigation efficiency of 54% and 50.1%, respectively, which is mainly attributed to the slowing down in release and hydrolysis of nitrogen fertilizer, the enhancement in the adsorption and retention of NH4+/NH3 in soil, and the promotion in the microbial consumption of NH4+ in soil. Furthermore, a combined physical and chemical means, namely membrane/film-based mulching technology, for ammonia volatilization inhibition is also evaluated, which is capable of increasing the resistance of ammonia volatilization. Finally, the review addresses the challenges of mitigating agricultural ammonia emissions with the aim of providing an outlook for future research.
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Affiliation(s)
- Tianling Li
- Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, PR China; Centre for Clean Environment and Energy, Griffith University, Gold Coast campus, QLD, 4222, Australia
| | - Zhengguo Wang
- Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, PR China
| | - Chenxu Wang
- Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, PR China
| | - Jiayu Huang
- Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, PR China
| | - Yanfang Feng
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain, Ministry of Agriculture and Rural Affairs, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Weishou Shen
- Collaborative Innovation Centre of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, PR China
| | - Ming Zhou
- Centre for Clean Environment and Energy, Griffith University, Gold Coast campus, QLD, 4222, Australia.
| | - Linzhang Yang
- Key Laboratory of Agro-Environment in Downstream of Yangtze Plain, Ministry of Agriculture and Rural Affairs, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
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15
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Shrestha RC, Ghazaryan L, Poodiack B, Zorin B, Gross A, Gillor O, Khozin-Goldberg I, Gelfand I. The effects of microalgae-based fertilization of wheat on yield, soil microbiome and nitrogen oxides emissions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:151320. [PMID: 34743875 DOI: 10.1016/j.scitotenv.2021.151320] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/24/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
Overuse of agrochemicals is linked to nutrient loss, greenhouse gases (GHG) emissions, and resource depletion thus requiring the development of sustainable agricultural solutions. Cultivated microalgal biomass could provide such a solution. The environmental consequences of algal biomass application in agriculture and more specifically its effect on soil GHG emissions are understudied. Here we report the results of a field experiment of wheat grown on three different soil types under the same climatic conditions and fertilized by urea or the untreated biomass of fresh-water green microalga (Coelastrella sp.). The results show that neither soil type nor fertilization types impacted the aboveground wheat biomass, whereas, soil microbiomes differed in accordance with soil but not the fertilizer type. However, wheat grain nitrogen (N) content and soil N oxides emissions were significantly lower in plots fertilized by algal biomass compared to urea. Grain N content in the wheat grain that was fertilized by algal biomass was between 1.3%-1.5% vs. 1.6%-2.0% in the urea fertilized wheat. Cumulative soil nitric oxide (NO) emissions were 2-5 fold lower, 313-726 g N ha-1 season-1 vs. 909-3079 g N ha-1 season-1. Cumulative soil nitrous oxide (N2O) emissions were 2-fold lower, 90-348 g N ha-1 season-1 vs. 147-761 g N ha-1 season-1. The lower emissions resulted in a 4-11 fold lower global warming impact of the algal fertilized crops. This calculation excluded the CO2 cost from the algae biomass production. Once included algal fertilization had a similar, or 40% higher, climatic impact compared to the urea fertilization.
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Affiliation(s)
- Ram Chandra Shrestha
- The Albert Katz International School for Desert Studies, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Midreshet Ben-Gurion 8499000, Israel
| | - Lusine Ghazaryan
- Zukerberg Institute for Water Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion 8499000, Israel
| | - Ben Poodiack
- Zukerberg Institute for Water Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion 8499000, Israel
| | - Boris Zorin
- The Albert Katz International School for Desert Studies, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Midreshet Ben-Gurion 8499000, Israel
| | - Avner Gross
- Department of Geography and Environmental Development, Ben Gurion University of the Negev, Beer Sheva 8410501, Israel
| | - Osnat Gillor
- Zukerberg Institute for Water Research, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion 8499000, Israel
| | - Inna Khozin-Goldberg
- The French Associates Institute for Agriculture and Biotechnology of Drylands, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion 8499000, Israel
| | - Ilya Gelfand
- The French Associates Institute for Agriculture and Biotechnology of Drylands, Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben Gurion 8499000, Israel.
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16
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Wang Z, Yin S, Chou Q, Zhou D, Jeppesen E, Wang L, Zhang W. Community-level and function response of photoautotrophic periphyton exposed to oxytetracycline hydrochloride. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118593. [PMID: 34864100 DOI: 10.1016/j.envpol.2021.118593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/17/2021] [Accepted: 11/25/2021] [Indexed: 06/13/2023]
Abstract
Periphyton is considered important for removal of organic pollutants from water bodies, but knowledge of the impacts of antibiotics on the community structure and ecological function of waterbodies remains limited. In this study, the effects of oxytetracycline hydrochloride (OTC) on the communities of photoautotrophic epilithon and epipelon and its effect on nitrogen and phosphorus concentrations in the water column were studied in a 12-day mesocosm experiment. The dynamics of nitrogen and phosphorus concentrations in the epipelon and epilithon experiment showed similar patterns. The concentrations of total nitrogen, dissolved total nitrogen, ammonium nitrogen, total phosphorus and dissolved total phosphorus in the water column increased rapidly during the initial days of exposure, after which a downward trend occurred. In the epilithon experiment, we found that the photosynthesis (Fv/Fm) and biomass of epilithon were significantly (P < 0.05) stimulated in the low concentration group. Contrarily, growth and photosynthesis (Fv/Fm) were significantly (P < 0.05) reduced in the medium and high concentration group. We further found that the photosynthetic efficiency of photoautotrophic epilithon was negatively correlated with the concentrations of nitrogen and phosphorus in the water column (P < 0.05). Principal coordinate analysis (PCoA) showed that the communities of epilithic algae in the control group and in the low concentration group were significantly (P < 0.05) different from that of the high concentration group during the initial 4 days. After 8 days' exposure, all groups tended to be similar, indicating that epilithon showed rapid adaptability and/or resilience. Similar results were found for the relative abundance of some epilithic algae. Our findings indicate that the biofilm system has strong tolerance and adaptability to OTC as it recovered fast after an initial suppression, thus showing the important role of periphyton in maintaining the dynamic balance of nutrients with other processes in aquatic ecosystems.
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Affiliation(s)
- Zhenfang Wang
- Centre for Research on Environmental Ecology and Fish Nutrient of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Sicheng Yin
- Centre for Research on Environmental Ecology and Fish Nutrient of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Qingchuan Chou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, 430072, China
| | - Dong Zhou
- Centre for Research on Environmental Ecology and Fish Nutrient of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Shanghai National Engineering Center of Urban Water Resources CO., LTD, Shanghai, 201306, China
| | - Erik Jeppesen
- Department of Bioscience, Aarhus University, Silkeborg, 8600, Denmark; Sino-Danish Centre for Education and Research (SDC), University of Chinese Academy of Sciences, Beijing, 100049, China; Limnology Laboratory and EKOSAM, Department of Biological Sciences, Middle East Technical University, Ankara, 06800, Turkey; Institute of Marine Sciences, Middle East Technical University, Mersin, 33731, Turkey
| | - Liqing Wang
- Centre for Research on Environmental Ecology and Fish Nutrient of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China
| | - Wei Zhang
- Centre for Research on Environmental Ecology and Fish Nutrient of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China.
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17
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Çakirsoy I, Miyamoto T, Ohtake N. Physiology of microalgae and their application to sustainable agriculture: A mini-review. FRONTIERS IN PLANT SCIENCE 2022; 13:1005991. [PMID: 36466259 PMCID: PMC9712798 DOI: 10.3389/fpls.2022.1005991] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/24/2022] [Indexed: 05/13/2023]
Abstract
Concern that depletion of fertilizer feedstocks, which are a finite mineral resource, threatens agricultural sustainability has driven the exploration of sustainable methods of soil fertilization. Given that microalgae, which are unicellular photosynthetic organisms, can take up nutrients efficiently from water systems, their application in a biological wastewater purification system followed by the use of their biomass as a fertilizer alternative has attracted attention. Such applications of microalgae would contribute to the accelerated recycling of nutrients from wastewater to farmland. Many previous reports have provided information on the physiological characteristics of microalgae that support their utility. In this review, we focus on recent achievements of studies on microalgal physiology and relevant applications and outline the prospects for the contribution of microalgae to the establishment of sustainable agricultural practices.
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Affiliation(s)
- Iffet Çakirsoy
- Graduate School of Science and Technology, Niigata University, Niigata, Japan
| | - Takuji Miyamoto
- Sakeology Center, Niigata University, Niigata, Japan
- *Correspondence: Takuji Miyamoto, ; Norikuni Ohtake,
| | - Norikuni Ohtake
- Graduate School of Science and Technology, Niigata University, Niigata, Japan
- *Correspondence: Takuji Miyamoto, ; Norikuni Ohtake,
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18
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Musetsho P, Renuka N, Guldhe A, Singh P, Pillay K, Rawat I, Bux F. Valorization of poultry litter using Acutodesmus obliquus and its integrated application for lipids and fertilizer production. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149018. [PMID: 34274677 DOI: 10.1016/j.scitotenv.2021.149018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 06/13/2023]
Abstract
Microalgae are recognized as potential candidates for resource recovery from wastewater and projected for biorefinery models. This study was undertaken to evaluate the potential of poultry litter and municipal wastewater as nutrient and water sources, for the cultivation of Acutodesmus obliquus for lipids production for biodiesel application. The efficacy of lipid extracted biomass (LEA) as fertilizer for mung bean crops was also assessed in microcosm. A. obliquus cultivation in acid pre-treated poultry litter extract (PPLE) showed maximum biomass production of 1.90 g L-1, which was 74.67% and 12.61% higher than the raw poultry litter extract (RPPE) and BG11 respectively. Higher NO3-N, NH3-N, and PO4-P removal of 79.51%, 81.82%, and 80.52% respectively were observed in PPLE as compared to RPLE treatment. The highest biomass (140.36 mg L-1 d-1), lipids (38.49 mg L-1 d-1), and carbohydrates (49.55 mg L-1 d-1) productivities were observed in the PPLE medium. The application of LEA as a fertilizer for mung bean crops showed improvement in plant growth and soil microbial activity. A maximum increase in organic carbon (59.5%) and dehydrogenase activity (130.8%) was observed in LEA amended soil which was significantly higher than chemical fertilizer (CF) control in 30 days. Whilst plant fresh weight and leaf chlorophyll in the LEA amended soil was comparable to whole algal biomass (WA) and CF control. The strategy developed could be a basis for sustainable biorefinery for the valorization of wastewater for the production of microalgae-derived biofuel and byproducts for agricultural application.
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Affiliation(s)
- Pfano Musetsho
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa
| | - Nirmal Renuka
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa
| | - Abhishek Guldhe
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa; Amity Institute of Biotechnology, Amity University, Mumbai 410206, India
| | - Poonam Singh
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa
| | - Kriveshin Pillay
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa
| | - Ismail Rawat
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa
| | - Faizal Bux
- Institute for Water and Wastewater Technology, Durban University of Technology, PO Box 1334, Durban 4000, South Africa.
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19
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Biologia Futura: potential of different forms of microalgae for soil improvement. Biol Futur 2021; 73:1-8. [PMID: 34735698 DOI: 10.1007/s42977-021-00103-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 10/17/2021] [Indexed: 12/24/2022]
Abstract
Products derived from microalgae have great potential in diverse field. As a part of the enhancing agriculture application, various forms of microalgae applications have been developed so far. They are known to influence soil properties. The various forms of application may enhance soil in more or less similar manner. They can help improve soil health, nitrogen, and phosphorus content, and even carbon sequestration. Thus, overall, it can enhance fertility of the soil.
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20
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Pereira ASADP, Castro JDS, Ribeiro VJ, Calijuri ML. Organomineral fertilizers pastilles from microalgae grown in wastewater: Ammonia volatilization and plant growth. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146205. [PMID: 33744566 DOI: 10.1016/j.scitotenv.2021.146205] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
With the increasing demand for food, it is increasingly important to maintain soil fertility with the application of fertilizers to supply the nutritional needs of plants. However, the nutrients applied to the soil can suffer significant losses, impacting the environment, and increasing production costs. Using alternative sources, such as microalgae biomass (MB) generated in the treatment of wastewater, in the production of organomineral fertilizers is a way to recover nutrients from the sewage, in addition to contributing to the improvement in soil fertility and favoring crop growth, which can guarantee agricultural sustainability. In the present study, MB was grown in the effluent 00from the food industry and, subsequently, a pelleted organomineral fertilizer (POF) was produced consisting of the combination of MB and synthetic fertilizer (urea), in different proportions. The performance of the proposed fertilizer was analyzed for losses due to ammonia volatilization (N-NH3) over time, for nitrogen assimilation capacity (N) by corn plants (Zea mays L.), and its structure was evaluated by scanning electron microscopy. The study concluded that the highest accumulated volatilization of N-NH3 was in the proportion of 40% of MB and the maximum content of N is reached in the proportion of 24.55% of MB. From the proportion of 25% of MB, there is no increase in N absorbed by plants, at the same time that the volatilization of N-NH3 grows with the increase in MB. The most important factors for obtaining these results were the interaction between MB and urea in the produced organomineral fertilizer tablet, where an increasingly thicker physical barrier was formed with the increase in the proportion of MB; in addition to the POF pH, in which the increase in MB proportions directly favored the pH increase.
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Affiliation(s)
| | | | - Vinícius José Ribeiro
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
| | - Maria Lúcia Calijuri
- Federal University of Viçosa, Department of Civil Engineering, Viçosa, Minas Gerais, Brazil.
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21
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Castro JDS, Assemany PP, Carneiro ACDO, Ferreira J, de Jesus Júnior MM, Rodrigues FDÁ, Calijuri ML. Hydrothermal carbonization of microalgae biomass produced in agro-industrial effluent: Products, characterization and applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 768:144480. [PMID: 33453536 DOI: 10.1016/j.scitotenv.2020.144480] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
Hydrothermal carbonization is a thermochemical treatment whose objective is to convert carbohydrate components of a given biomass into carbon-rich material in an aqueous medium. Biomass of wastewater grown microalgae is among the various potential biomasses for this route. However, operational parameters of hydrothermal carbonization for different types of biomass are still being investigated. In general, larger temperature ranges (180-260 °C) are applied to woody biomasses, which have fibrous and/or ligneous structures and, therefore, are more thermally stable than algae biomass. This study presents the hydrothermal carbonization of microalgae biomass cultivated in an agro-industrial effluent. For this purpose, a Parr reactor was operated at different temperatures (130, 150 and 170 °C) and retention times (10, 30 and 50 min). Results showed improvements in the properties of the hydrochar, mainly energy yield and carbon concentration, after the thermochemical treatment. Energy recovery was improved, as well as hydrophobicity of the carbonized material. It was observed that in the retention time of 10 min, the increase in temperature provided an increase of 7.53% in the yield of solids. On the other hand, in the retention times of 30 and 50 min, when the temperature was increased, the solid yield decreased 6.70% and 0.92%, respectively. Thus, the highest yield of solids (77.72%) and energy (78.21%) was obtained at the temperature of 170 °C and retention time of 10 min. There was a high ash content in the raw biomass (32.99%) and an increase of approximately 3% in the carbonized material, regardless of the applied treatment. With the exception of potassium and sodium, the other macro and micronutrients were concentrated in the hydrochar after thermochemical treatment, indicating the potential of the material for agriculture application, in addition to energy use. Results showed that the retention time was the most significant operational parameter of the process.
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Affiliation(s)
- Jackeline de Siqueira Castro
- Department of Civil Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil.
| | - Paula Peixoto Assemany
- Department of Environmental Engineering, Federal University of Lavras (Universidade Federal de Lavras), Campus Universitário, Lavras, Minas Gerais 37200-900, Brazil
| | - Angélica Cássia de Oliveira Carneiro
- Department of Forest Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Jéssica Ferreira
- Department of Civil Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Maurino Magno de Jesus Júnior
- Department of Chemical Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Fábio de Ávila Rodrigues
- Department of Chemical Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Maria Lúcia Calijuri
- Department of Civil Engineering, Federal University of Viçosa, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
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Kapoore RV, Wood EE, Llewellyn CA. Algae biostimulants: A critical look at microalgal biostimulants for sustainable agricultural practices. Biotechnol Adv 2021; 49:107754. [PMID: 33892124 DOI: 10.1016/j.biotechadv.2021.107754] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 03/24/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022]
Abstract
For the growing human population to be sustained during present climatic changes, enhanced quality and quantity of crops are essential to enable food security worldwide. The current consensus is that we need to make a transition from a petroleum-based to a bio-based economy via the development of a sustainable circular economy and biorefinery approaches. Both macroalgae (seaweeds) and microalgae have been long considered a rich source of plant biostimulants with an attractive business opportunity in agronomy and agro-industries. To date, macroalgae biostimulants have been well explored. In contrast, microalgal biostimulants whilst known to have positive effects on development, growth and yields of crops, their commercial implementation is constrained by lack of research and cost of production. The present review highlights the current knowledge on potential biostimulatory compounds, key sources and their quantitative information from algae. Specifically, we provide an overview on the prospects of microalgal biostimulants to advance crop production and quality. Key aspects such as specific biostimulant effects caused by extracts of microalgae, feasibility and potential of co-cultures and later co-application with other biostimulants/biofertilizers are highlighted. An overview of the current knowledge, recent advances and achievements on extraction techniques, application type, application timing, current market and regulatory aspects are also discussed. Moreover, aspects involved in circular economy and biorefinery approaches are also covered, such as: integration of waste resources and implementation of high-throughput phenotyping and -omics tools in isolating novel strains, exploring synergistic interactions and illustrating the underlying mode of microalgal biostimulant action. Overall, this review highlights the current and future potential of microalgal biostimulants, algal biochemical components behind these traits and finally bottlenecks and prospects involved in the successful commercialisation of microalgal biostimulants for sustainable agricultural practices.
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Affiliation(s)
- Rahul Vijay Kapoore
- Department of Biosciences, College of Science, Swansea University, Swansea, SA2 8PP, UK.
| | - Eleanor E Wood
- Department of Biosciences, College of Science, Swansea University, Swansea, SA2 8PP, UK
| | - Carole A Llewellyn
- Department of Biosciences, College of Science, Swansea University, Swansea, SA2 8PP, UK
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23
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Microalgae, soil and plants: A critical review of microalgae as renewable resources for agriculture. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102200] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Silambarasan S, Logeswari P, Sivaramakrishnan R, Incharoensakdi A, Cornejo P, Kamaraj B, Chi NTL. Removal of nutrients from domestic wastewater by microalgae coupled to lipid augmentation for biodiesel production and influence of deoiled algal biomass as biofertilizer for Solanum lycopersicum cultivation. CHEMOSPHERE 2021; 268:129323. [PMID: 33359999 DOI: 10.1016/j.chemosphere.2020.129323] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 11/28/2020] [Accepted: 12/11/2020] [Indexed: 05/12/2023]
Abstract
In this study, Chlorella sp., Scenedesmus sp., and their consortium were used for the biorefinery approach. The algal consortium (Chlorella sp. + Scenedesmus sp.) grown well in 75% diluted wastewater, and obtained the highest biomass (1.78 g L-1), chlorophyll (27.03 μg mL-1), protein (175 μg mL-1) and lipid content (34.83% dry cell weight). Algal consortium showed mainly 51.75% of palmitic acid and 35.45% of oleic acid in the lipids. The removal of nitrate, ammonium, phosphate, chemical oxygen demand, total organic carbon and total nitrogen in 75% diluted wastewater by algal consortium were 96%, 98%, 95%, 83%, 86% and 94%, respectively. Moreover, deoiled algal biomass (DAB) waste used as a biofertilizer combined with inorganic fertilizer resulted in the grater improvement of Solanum lycopersicum shoot length (44%), root length (89%), fresh weight (95%), dry weight (53%), macro and micro-nutrients (N 61%, P 179%, K 71%, Ca 38%, Mg 26% and Fe 11%), and tomato yield (174%) as compared to control treatment. Our results indicate that the use of consortium is not only a potential bioresource for wastewater treatment and biodiesel production but also the DAB waste is an effective biofertilizer for sustainable agriculture production.
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Affiliation(s)
- Sivagnanam Silambarasan
- Centro de Investigación en Micorrizas y Sustentabilidad Agroambiental, CIMYSA, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco, Chile.
| | - Peter Logeswari
- Centro de Investigación en Micorrizas y Sustentabilidad Agroambiental, CIMYSA, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco, Chile
| | - Ramachandran Sivaramakrishnan
- Laboratory of Cyanobacterial Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Aran Incharoensakdi
- Laboratory of Cyanobacterial Biotechnology, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; Academy of Science, Royal Society of Thailand, Bangkok, 10300, Thailand
| | - Pablo Cornejo
- Centro de Investigación en Micorrizas y Sustentabilidad Agroambiental, CIMYSA, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco, Chile; Scientific and Technological Bioresource Nucleus, BIOREN-UFRO, Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco, Chile.
| | - Balu Kamaraj
- Department of Neuroscience Technology, College of Applied Medical Science in Jubail, Imam Abdulrahman Bin Faisal University, Jubail, Saudi Arabia
| | - Nguyen Thuy Lan Chi
- Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
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Choudhary P, Assemany PP, Naaz F, Bhattacharya A, Castro JDS, Couto EDADC, Calijuri ML, Pant KK, Malik A. A review of biochemical and thermochemical energy conversion routes of wastewater grown algal biomass. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 726:137961. [PMID: 32334349 DOI: 10.1016/j.scitotenv.2020.137961] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 03/13/2020] [Accepted: 03/13/2020] [Indexed: 06/11/2023]
Abstract
Microalgae are recognized as a potential source of biomass for obtaining bioenergy. However, the lack of studies towards economic viability and environmental sustainability of the entire production chain limits its large-scale application. The use of wastewaters economizes natural resources used for algal biomass cultivation. However, desirable biomass characteristics for a good fuel may be impaired when wastewaters are used, namely low lipid content and high ash and protein contents. Thus, the choice of wastewaters with more favorable characteristics may be one way of obtaining a more balanced macromolecular composition of the algal biomass and therefore, a more suitable feedstock for the desired energetic route. The exploration of biorefinery concept and the use of wastewaters as culture medium are considered as the main strategic tools in the search of this viability. Considering the economics of overall process, direct utilization of wet biomass using hydrothermal liquefaction or hydrothermal carbonization and anaerobic digestion is recommended. Among the explored routes, anaerobic digestion is the most studied process. However, some main challenges remain as little explored, such as a low energy pretreatment and suitable and large-scale reactors for algal biomass digestion. On the other hand, thermochemical conversion routes offer better valorization of the algal biomass but have higher costs. A biorefinery combining anaerobic digestion, hydrothermal carbonization and hydrothermal liquefaction processes would provide the maximum possible output from the biomass depending on its characteristics. Therefore, the choice must be made in an integrated way, aiming at optimizing the quality of the final product to be obtained. Life cycle assessment studies are critical for scaling up of any algal biomass valorization technique for sustainability. Although there are limitations, suitable integrations of these processes would enable to make an economically feasible process which require further study.
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Affiliation(s)
- Poonam Choudhary
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Paula Peixoto Assemany
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Farah Naaz
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Arghya Bhattacharya
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Jackeline de Siqueira Castro
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Eduardo de Aguiar do Couto Couto
- Universidade Federal de Itajubá/Itabira campus, Instituto de Ciências Puras e Aplicadas, Rua Irmã Ivone Drummond, 200, 35903-087 Itabira, MG, Brazil.
| | - Maria Lúcia Calijuri
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Kamal Kishore Pant
- Catalytic Reaction Engineering Laboratory, Department of Chemical Engineering, IIT Delhi, 110016, India.
| | - Anushree Malik
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India.
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Castro JDS, Calijuri ML, Ferreira J, Assemany PP, Ribeiro VJ. Microalgae based biofertilizer: A life cycle approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 724:138138. [PMID: 32268288 DOI: 10.1016/j.scitotenv.2020.138138] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/19/2020] [Accepted: 03/21/2020] [Indexed: 06/11/2023]
Abstract
Waste, especially biomass in general, is a large reservoir of nutrients that can be recovered through different technologies and used to produce biofertilizers. In the present study, environmental impacts of the production of microalgae biomass-based phosphate biofertilizer compared to triple superphosphate through life-cycle assessment conducted in the Simapro® software were investigated. The functional unit of the analysis was 163 g of P for both fertilizers. Phosphorus was recovered from a meat processing industry effluent in a high-rate algal pond. Impacts related to the entire biofertilizer chain impacted mainly on climate changes (3.17 kg CO2eq). Microalgae biofertilizer had higher environmental impact than conventional fertilizer in all impact categories, highlighting climate change and terrestrial ecotoxicity. An ideal scenario was created considering that: all energy used comes from photovoltaic panels; in the separation step a physical method will be used, without energy expenditure (i.e. gravimetric sedimentation) and; biomass will be dried in a drying bed instead of the thermal drying. In this scenario, the impact of biofertilizer approached considerably those of triple superphosphate. When impacts of biomass cultivation and concentration stages were disregarded, drying step was of great relevance, contributing to increase biofertilizer impacts. More research is needed to optimize the algae production chain and determine the possibility of obtaining higher added value products more environmental attractive.
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Affiliation(s)
- Jackeline de Siqueira Castro
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil.
| | - Maria Lúcia Calijuri
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Jessica Ferreira
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Paula Peixoto Assemany
- Department of Water Resources and Sanitation, Federal University of Lavras, Campus Universitário, 37200-900 Lavras, Minas Gerais, Brazil
| | - Vinícius José Ribeiro
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
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Production of Microalgal Slow-Release Fertilizer by Valorizing Liquid Agricultural Digestate: Growth Experiments with Tomatoes. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10113890] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Anaerobic Digestion (AD) is a process that is well-known and fast-developing in Europe. AD generates large amounts of digestate, especially in livestock-intensive areas. Digestate has potential environmental issues due to nutrients (such as nitrogen) lixiviation or volatilization. Using liquid digestate as a nutrient source for microalgae growth is considered beneficial because digestate could be valorized and upgraded by the production of an added value product. In this work, microalgal biomass produced using liquid digestate from an agricultural biogas plant was investigated as a slow-release fertilizer in tomatoes. Monoraphidium sp. was first cultivated at different dilutions (1:20, 1:30, 1:50), in indoor laboratory-scale trials. The optimum dilution factor was determined to be 1:50, with a specific growth rate of 0.13 d−1 and a complete nitrogen removal capacity in 25 days of culture. Then, outdoor experiments were conducted in a 110 dm3 vertical, closed photobioreactors (PBRs) in batch and semi-continuous mode with 1:50 diluted liquid digestate. During the batch mode, the microalgae were able to remove almost all NH4+ and 65 (±13) % of PO43−, while the microalgal growth rate reached 0.25 d−1. After the batch mode, the cultures were switched to operate under semi-continuously conditions. The cell densities were maintained at 1.3 × 107 cells mL−1 and a biomass productivity around 38.3 mg TSS L−1 d−1 during three weeks was achieved, where after that it started to decline due to unfavorable weather conditions. Microalgae biomass was further tested as a fertilizer for tomatoes growth, enhancing by 32% plant growth in terms of dry biomass compared with the control trials (without fertilization). Similar performances were achieved in tomato growth using synthetic fertilizer or digestate. Finally, the leaching effect in soils columns without plant was tested and after 25 days, only 7% of N was leached when microalgae were used, against 50% in the case of synthetic fertilizer.
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Ortiz-Moreno ML, Solarte-Murillo LV, Sandoval-Parra KX. BIOFERTILIZATION WITH CHLOROPHYTA AND CYANOPHYTA: AN ALTERNATIVE FOR ORGANIC FOOD PRODUCTION. ACTA BIOLÓGICA COLOMBIANA 2020. [DOI: 10.15446/abc.v25n2.77183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Chlorophyta and Cyanophyta are photosynthetic organisms characterized by their biochemical plasticity, which has allowed them to develop in different environments and have a faster growth rate than plants. Depending on the species and environmental conditions, these organisms can produce nitrogenous enzymes, for atmospheric nitrogen fixation; phosphatases, that solubilize phosphorus; phytohormones, that promote plant growth; and hygroscopic polysaccharides, that prevent erosion and improve soil characteristics. In this sense, the aim of this review was to analyze the available information on the use of Chlorophyta and Cyanophyta as biofertilizers and their potential application in organic food production. Multiple studies and researches were found demonstrating the advantages of these microorganisms when being used to improve plants productivity, and also at the same time, leading to sustainable agriculture that is respectful to the environment. However, their high production cost has become a limiting factor for their commercialization.
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29
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Castro JDS, Calijuri ML, Mattiello EM, Ribeiro VJ, Assemany PP. Algal biomass from wastewater: soil phosphorus bioavailability and plants productivity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:135088. [PMID: 31818600 DOI: 10.1016/j.scitotenv.2019.135088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/17/2019] [Accepted: 10/19/2019] [Indexed: 06/10/2023]
Abstract
The cultivation of microalgae in wastewater allows to obtain a biomass concentrated in nutrients and organic material. This biomass added to phosphate fertilizers can promote a slow release of the nutrient and consequently a higher absorption of phosphorus (P). The objective of this study was to investigate P uptake by plants subjected to triple superphosphate (TSP) fertilization, added with microalgae biomass (MB) grown in wastewater. TSP was added with different MB proportions in order to verify if there would be a different behaviour in P release for millet (Pennisetum glaucum L.) plants. With the proportion that maximized P accumulation in plants, a second experiment was carried out to investigate whether MB exerts influence of P diffusion in the soil. Finally, a third trial was conducted in a greenhouse, where TSP and TSP + 12% MB were applied to the soil under different phosphorus doses in corn (Zea mays L.). The proportion of MB in TSP that maximized the increase of P content and concentration in plants was approximately 12% MB. From this proportion, a reduction in the values of the variables analysed in the plant with the increase of the proportion of MB in the biofertilizer was observed. Similar behaviour was observed when evaluating P diffusion in sandy and clay soils. Fertilizers TSP and TSP + 12% MB showed no difference in P diffusion in the soil, while the ratio of 30% MB clearly impaired P diffusion. In a greenhouse, the P content presented significant difference for the tests carried out with TSP and TSP + 12% MB fertilizer, in which the latter provided higher P recovery rate by plants. Therefore, MB added to TSP had a positive influence on plant development and its P recovery capacity when applied in a proportion of 12% MB to the fertilizer mass.
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Affiliation(s)
- Jackeline de Siqueira Castro
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa3, Minas Gerais 36570-900, Brazil.
| | - Maria Lúcia Calijuri
- Department of Civil Engineering, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa3, Minas Gerais 36570-900, Brazil
| | - Edson Marcio Mattiello
- Department of Soil Science, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Vinícius José Ribeiro
- Department of Soil Science, Federal University of Viçosa, Av. Peter Henry Rolfs, s/n, Campus da Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil
| | - Paula Peixoto Assemany
- Department of Water Resources and Sanitation, Federal University of Lavras, Campus Universitario, Lavras, Minas Gerais, 37200-000, Brazil
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30
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Nayak M, Swain DK, Sen R. Strategic valorization of de-oiled microalgal biomass waste as biofertilizer for sustainable and improved agriculture of rice (Oryza sativa L.) crop. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 682:475-484. [PMID: 31128367 DOI: 10.1016/j.scitotenv.2019.05.123] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 05/12/2023]
Abstract
Intensive use of chemical fertilizer results in environmental pollution that disturbs the local ecosystem and causes reduction in the long-term crop yield. There is a need to explore the alternative source of plant nutrition such as de-oiled microalgal biomass as biofertilizer for sustainable production of food crops in a relatively pollution free environment. This study reports sustainable and improved agriculture of rice crop (cv. IR 36) by valorizing de-oiled microalgal biomass waste (DOMBW) of Scenedesmus sp., as eco-friendly fertilizer. The microalga (MA) was cultivated in open raceway pond using wastewater and flue gas. Performance evaluation and comparison of DOMBW with respect to growth and yield of rice plants vis-à-vis commercial chemical fertilizers (CF) and vermicompost (VC) applied individually or together, established the superiority of the former. The experiment comprised of five nutrient management treatments (CF100, VC100, MA100, MA50+CF50, and MA50+VC50) meeting 100% nitrogen (N) recommendation either through a single source or combined application in the soil. Combining the application of microalgal based organic fertilizer with chemical fertilizer (MA50+CF50), showed the highest performance in terms of plant height, tiller number, biomass, and grain yield. At the harvest stage, MA50+CF50 also resulted in maximum plant dry weight, panicle weight, and 1000-grain weight in comparison to other treatments. This study revealed that the application of DOMBW as a biofertilizer is potentially sustainable and effective in improving the yields of rice crop with reduced use of chemical fertilizer.
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Affiliation(s)
- Manoranjan Nayak
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India.
| | - Dillip Kumar Swain
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, West Bengal 721302, India.
| | - Ramkrishna Sen
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India.
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31
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Costa JAV, Freitas BCB, Cruz CG, Silveira J, Morais MG. Potential of microalgae as biopesticides to contribute to sustainable agriculture and environmental development. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2019; 54:366-375. [PMID: 30729858 DOI: 10.1080/03601234.2019.1571366] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The loss of yields from agricultural production due to the presence of pests has been treated over the years with synthetic pesticides, but the use of these substances negatively affects the environment and presents health risks for consumers and animals. The development of agroecological systems using biopesticides represents a safe alternative that contributes to the reduction of agrochemical use and sustainable agriculture. Microalgae are able to biosynthesize a number of metabolites with potential biopesticidal action and can be considered potential biological agents for the control of harmful organisms to soils and plants. The present work aims to provide a critical perspective on the consequences of using synthetic pesticides, offering as an alternative the biopesticides obtained from microalgal biomass, which can be used together with the implementation of environmentally friendly agricultural systems.
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Affiliation(s)
- Jorge Alberto Vieira Costa
- a College of Chemistry and Food Engineering, Laboratory of Biochemical Engineering , Federal University of Rio Grande , Rio Grande , Rio Grande do Sul , Brazil
| | - Bárbara Catarina Bastos Freitas
- a College of Chemistry and Food Engineering, Laboratory of Biochemical Engineering , Federal University of Rio Grande , Rio Grande , Rio Grande do Sul , Brazil
| | - Camila Gonzales Cruz
- a College of Chemistry and Food Engineering, Laboratory of Biochemical Engineering , Federal University of Rio Grande , Rio Grande , Rio Grande do Sul , Brazil
| | - Jéssica Silveira
- a College of Chemistry and Food Engineering, Laboratory of Biochemical Engineering , Federal University of Rio Grande , Rio Grande , Rio Grande do Sul , Brazil
| | - Michele Greque Morais
- b College of Chemistry and Food Engineering, Laboratory of Microbiology and Biochemistry , Federal University of Rio Grande , Rio Grande , Rio Grande do Sul , Brazil
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Lei T, Guo X, Sun X, Ma J, Zhang S, Zhang Y. Prediction of soil urea conversion and quantification of the importance degrees of influencing factors through a new combinatorial model based on cluster method and artificial neural network. CHEMOSPHERE 2018; 199:676-683. [PMID: 29471238 DOI: 10.1016/j.chemosphere.2018.01.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 01/26/2018] [Accepted: 01/28/2018] [Indexed: 06/08/2023]
Abstract
Quantitative prediction of soil urea conversion is crucial in determining the mechanism of nitrogen transformation and understanding the dynamics of soil nutrients. This study aimed to establish a combinatorial prediction model (MCA-F-ANN) for soil urea conversion and quantify the relative importance degrees (RIDs) of influencing factors with the MCA-F-ANN method. Data samples were obtained from laboratory culture experiments, and soil nitrogen content and physicochemical properties were measured every other day. Results showed that when MCA-F-ANN was used, the mean-absolute-percent error values of NH4+-N, NO3--N, and NH3 contents were 3.180%, 2.756%, and 3.656%, respectively. MCA-F-ANN predicted urea transformation under multi-factor coupling conditions more accurately than traditional models did. The RIDs of reaction time (RT), electrical conductivity (EC), temperature (T), pH, nitrogen application rate (F), and moisture content (W) were 32.2%-36.5%, 24.0%-28.9%, 12.8%-15.2%, 9.8%-12.5%, 7.8%-11.0%, and 3.5%-6.0%, respectively. The RIDs of the influencing factors in a descending order showed the pattern RT > EC > T > pH > F > W. RT and EC were the key factors in the urea conversion process. The prediction accuracy of urea transformation process was improved, and the RIDs of the influencing factors were quantified.
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Affiliation(s)
- Tao Lei
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Xianghong Guo
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Xihuan Sun
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Jinzhong University, Jinzhong 030600, China.
| | - Juanjuan Ma
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Shaowen Zhang
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Yong Zhang
- College of Water Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
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33
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She D, Wang H, Yan X, Hu W, Zhang W, Li J, Wu C, Xia Y. The counter-balance between ammonia absorption and the stimulation of volatilization by periphyton in shallow aquatic systems. BIORESOURCE TECHNOLOGY 2018; 248:21-27. [PMID: 28760391 DOI: 10.1016/j.biortech.2017.07.100] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/18/2017] [Accepted: 07/20/2017] [Indexed: 06/07/2023]
Abstract
Ammonia (NH3) volatilization is one of the main pathways of nitrogen (N). The aim of this work was to investigate the determinants of NH3 volatilization, and characterize how the overlying water, sediment, and periphyton interact to regulate the rates of NH3 volatilization in shallow aquatic systems. Two types of structural equation modeling (SEM) methods ('elements' and 'components' models) were evaluated to examine the complex multivariate response of NH3 volatilization. The N components and the pH in the 'elements' models exerted significant and positive effects on NH3 volatilization. The water column accounted for the greatest variation of NH3 volatilization in a favorable pH environment and high NH4+-N concentrations according to the 'components' models. Although periphyton biofilm prohibited the direct flow of NH3 gas, this was counter-balanced by its indirect stimulation effects that positively affected the NH4+-N and DOC concentrations and the pH in both the overlying water and the sediment.
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Affiliation(s)
- Dongli She
- Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Ministry of Education, College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
| | - Hongde Wang
- Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Ministry of Education, College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
| | - Xiaoyuan Yan
- Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Wei Hu
- New Zealand Institute for Plant & Food Research Limited, Private Bag 4704, Christchurch 8140, New Zealand
| | - Wenjuan Zhang
- Key Laboratory of Efficient Irrigation-Drainage and Agricultural Soil-Water Environment in Southern China, Ministry of Education, College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
| | - Jiuyu Li
- Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Chenxi Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yongqiu Xia
- Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
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Marks EAN, Miñón J, Pascual A, Montero O, Navas LM, Rad C. Application of a microalgal slurry to soil stimulates heterotrophic activity and promotes bacterial growth. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 605-606:610-617. [PMID: 28672249 DOI: 10.1016/j.scitotenv.2017.06.169] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 06/20/2017] [Accepted: 06/20/2017] [Indexed: 06/07/2023]
Abstract
Active microalgae biomass from wastewater treatment may be given added value as a biofertilizer, but little is known about how this may affect soil nutrient dynamics and biology. If the goal is to recycle waste nutrients and matter, live algae applied in a liquid slurry to soil may add both organic carbon and nutrients while providing other benefits such as biological carbon fixation. However, the potential persistence of unicellular green algae after such an application is not known, nor the influence of their photosynthetic activity on soil organic carbon - the aim of the present study was to probe these basic questions. In a controlled laboratory microcosm experiment, suspensions of Chlorella sp. microalga culture and sterile filtrates were applied to an agricultural soil and incubated for 42days, whereas the effect of darkness was also tested to understand the importance of photosynthetic activity of the algae. Autotrophic microorganism development was 3.5 times higher in treatments with algae application as measured by chlorophyll pigment concentration. Against expectations that increased photosynthetic activity would decrease the CO2-C flux, the algal suspension with a photoperiod significantly increased soil respiration compared to culture filtrates without algal cells, with accumulated quantities of 1.8 and 0.7gCO2-Cm-2, respectively. Also, phospholipid fatty acid (PLFA) analyses showed that the suspension accelerated the development of a stable community of eukaryotic and prokaryotic microorganisms in the soil surface, whereas bacterial PLFA biomarkers were significantly associated with eukaryote biomarkers on the study level.
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Affiliation(s)
- Evan A N Marks
- Composting Research Group UBUCOMP, University of Burgos, Faculty of Sciences, Pl. Misael Bañuelos s/n, E09001 Burgos, Spain.
| | - Jorge Miñón
- Composting Research Group UBUCOMP, University of Burgos, Faculty of Sciences, Pl. Misael Bañuelos s/n, E09001 Burgos, Spain; Dep. Agricultural and Forest Engineering, University of Valladolid, E34004 Palencia, Spain
| | - Ana Pascual
- Composting Research Group UBUCOMP, University of Burgos, Faculty of Sciences, Pl. Misael Bañuelos s/n, E09001 Burgos, Spain
| | - Olimpio Montero
- Centre for Biotechnology Development (CDB-CSIC), Avenida Francisco Vallés 8, E47151 Boecillo, Spain
| | - Luis Manuel Navas
- Dep. Agricultural and Forest Engineering, University of Valladolid, E34004 Palencia, Spain
| | - Carlos Rad
- Composting Research Group UBUCOMP, University of Burgos, Faculty of Sciences, Pl. Misael Bañuelos s/n, E09001 Burgos, Spain
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