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Niu R, Zhuang Y, Lali MN, Zhao L, Xie J, Xiong H, Wang Y, He X, Shi X, Zhang Y. Root Reduction Caused Directly or Indirectly by High Application of Nitrogen Fertilizer Was the Main Cause of the Decline in Biomass and Nitrogen Accumulation in Citrus Seedlings. PLANTS (BASEL, SWITZERLAND) 2024; 13:938. [PMID: 38611468 PMCID: PMC11013181 DOI: 10.3390/plants13070938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/07/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024]
Abstract
Citrus is the largest fruit crop around the world, while high nitrogen (N) application in citrus orchards is widespread in many countries, which results not only in yield, quality and environmental issues but also slows down the establishment of citrus canopies in newly cultivated orchards. Thus, the objective of this study was to investigate the physiological inhibitory mechanism of excessive N application on the growth of citrus seedlings. A pot experiment with the citrus variety Orah (Orah/Citrus junos) at four N fertilization rates (0, 50, 100, and 400 mg N/kg dry soil, denoted as N0, N50, N100, and N400, respectively) was performed to evaluate the changes of root morphology, biomass, N accumulation, enzyme activities, and so on. The results showed that the N400 application significantly reduced the total biomass (from 14.24 to 6.95 g/Plant), N accumulation (from 0.65 to 0.33 g/Plant) and N use efficiency (92.69%) in citrus seedlings when compared to the N100 treatment. The partial least squares pathway model further showed that the decline of biomass and N accumulation by high N application were largely attributed to the reduction of root growth through direct and indirect effects (the goodness of fit under the model was 0.733.) rather than just soil N transformation and activity of root N uptake. These results are useful to optimize N management through a synergistic N absorption and utilization by citrus seedlings.
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Affiliation(s)
- Runzheng Niu
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yuan Zhuang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Mohammad Naeem Lali
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
- Department of Forestry and Natural Resources, Faculty of Agriculture, Bamyan University, Bamyan 1601, Afghanistan
| | - Li Zhao
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Jiawei Xie
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Huaye Xiong
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yuheng Wang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Xinhua He
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Xiaojun Shi
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
| | - Yueqiang Zhang
- College of Resources and Environment, Southwest University, Chongqing 400716, China; (R.N.); (Y.Z.); (M.N.L.); (L.Z.); (J.X.); (H.X.); (Y.W.); (X.H.); (X.S.)
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Dhami B, Neupane B, Devkota BP, Maraseni T, Sadadev BM, Bista S, Adhikari A, Chhetri NB, Panta M, Stewart AB. Factors affecting the occupancy of Chinese pangolins (
Manis pentadactyla
) suggest a highly specialized ecological niche. Ecosphere 2023. [DOI: 10.1002/ecs2.4356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Affiliation(s)
- Bijaya Dhami
- Institute of Forestry, Pokhara Campus, Tribhuvan University Pokhara Nepal
| | - Bijaya Neupane
- Institute of Forestry, Pokhara Campus, Tribhuvan University Pokhara Nepal
- Faculty of Agriculture and Forestry University of Helsinki Helsinki Finland
| | | | - Tek Maraseni
- University of Southern Queensland, Institute for Life Sciences and the Environment Toowoomba Queensland Australia
| | - Bipana Maiya Sadadev
- Natural Resources and Environmental Studies University of Northern British Columbia Prince George British Columbia Canada
| | - Shreyashi Bista
- Institute of Forestry, Pokhara Campus, Tribhuvan University Pokhara Nepal
| | - Amit Adhikari
- Institute of Forestry, Pokhara Campus, Tribhuvan University Pokhara Nepal
| | | | - Melina Panta
- Institute of Forestry, Pokhara Campus, Tribhuvan University Pokhara Nepal
| | - Alyssa B. Stewart
- Department of Plant Science, Faculty of Science Mahidol University Bangkok Thailand
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Lynn TM, Zhran M, Wang LF, Ge T, Yu SS, Kyaw EP, Latt ZK, Htwe TM. Effect of land use on soil properties, microbial abundance and diversity of four different crop lands in central Myanmar. 3 Biotech 2021; 11:154. [PMID: 33747704 PMCID: PMC7930169 DOI: 10.1007/s13205-021-02705-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/23/2021] [Indexed: 11/29/2022] Open
Abstract
Changing land use systems impact on local edaphic factors and microbial abundance and diversity, however, the information on it in central Myanmar's soils is still lacking. Therefore, soils with four different land uses were analyzed; WAP (soil from perennial tree orchard), PNON (soil from crop rotation of peanut and onion), SESA (soil from mono-crop of sesame) and CHON (soil from mono-crop of onion for 3 years consecutively). Soil organic carbon (SOC), total nitrogen (TN), dissolved organic carbon (DOC), ammonium nitrogen (NH4 +-N) and pH showed the highest in PNON soil, which suggested crop rotation with high fertilizer input and irrigation had positive effect on the edaphic factors of soil. CHON soil showed the lowest in most soil properties and microbial abundance as a result of intensive use of fertilizer and irrigation, no crop rotation and no input of manures. Microbial community composition showed differences among tested soils and relative abundance of Chloroflexi was the highest in CHON soil whereas that of Basidiomycota was the highest in WAP soil. The abundances of bacteria and fungi were significantly affected by Olsen P, whereas the abundances of archaea were influenced by SOC. Our results suggested crop rotation and manure fertilization (PNON soil) enhanced soil properties and microbial abundance although long-time onion mono-crop (CHON soil) reduced soil fertility. This study can provide information to improve soil quality and sustainability of agro-ecosystems using appropriate agricultural management. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-021-02705-y.
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Affiliation(s)
- Tin Mar Lynn
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125 China
- Microbiology Division, Biotechnology Research Department, Ministry of Education, Kyaukse, Mandalay Region 100301 Myanmar
| | - Mostafa Zhran
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125 China
- Atomic Energy Authority, Nuclear Research Center, Soil & Water Research Department, Abou-Zaabl, 13759 Egypt
| | - Liu Fang Wang
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125 China
| | - Tida Ge
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125 China
| | - San San Yu
- Microbiology Division, Biotechnology Research Department, Ministry of Education, Kyaukse, Mandalay Region 100301 Myanmar
| | - Ei Phyu Kyaw
- Microbiology Division, Biotechnology Research Department, Ministry of Education, Kyaukse, Mandalay Region 100301 Myanmar
| | - Zaw Ko Latt
- Microbiology Division, Biotechnology Research Department, Ministry of Education, Kyaukse, Mandalay Region 100301 Myanmar
| | - Tin Mar Htwe
- Ministry of Education, Kyaing Tong Education College, Kyaing Tong, Shan State Myanmar
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Sustainability of Urban Soil Management: Analysis of Soil Physicochemical Properties and Bacterial Community Structure under Different Green Space Types. SUSTAINABILITY 2019. [DOI: 10.3390/su11051395] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Soil bacterial communities play a key role in nutrient cycling and ecosystem functioning. This study aims to reveal how green space type impacts soil quality and the bacterial community, which finally contributes to suggesting strategies for managing sustainable environments in urban areas. For this purpose, urban green space soils in this study are divided into four different types; park green space (PARK), street green space (STREET), attached green space (ATTACH) and residential green space (RESID). Results showed that significant differences were observed for soil physicochemical properties. Soil organic matter, total nitrogen, soil moisture content and available nitrogen in the ATTACH and PARK soils were significantly higher than in the STREET and RESID soils. Across the four green space types, the structure of bacterial communities was dominated by Proteobacteria, Actinobacteria and Chloroflexi at the phylum level. The diversity and richness of bacteria were significantly higher in the PARK and ATTACH soils than in the RESID and STREET soils. Results of principal component analysis (PCoA) showed that soil bacterial communities could be clustered into four different groups according to different green space types. In addition, analysis of similarities (ANOSIM) also implied that soil samples differed significantly from others. Redundancy analysis (RDA) and Spearman correlation analysis both showed that the contents of soil organic matter, total nitrogen, soil moisture and pH had great influence on the structures of bacterial communities. In summary, these results suggest that soil physicochemical properties and bacterial communities can be strongly affected by green space types, and thus, objective assessment of a particular measure can be provided to land managers and policy makers for informed decision-making in urban development and sustainability.
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Lynn TM, Liu Q, Hu Y, Yuan H, Wu X, Khai AA, Wu J, Ge T. Influence of land use on bacterial and archaeal diversity and community structures in three natural ecosystems and one agricultural soil. Arch Microbiol 2017; 199:711-721. [PMID: 28233042 DOI: 10.1007/s00203-017-1347-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 01/20/2017] [Accepted: 01/20/2017] [Indexed: 11/30/2022]
Abstract
Studying shifts in microbial communities under different land use can help in determining the impact of land use on microbial diversity. In this study, we analyzed four different land-use types to determine their bacterial and archaeal diversity and abundance. Three natural ecosystems, that is, wetland (WL), grassland (GL), and forest (FR) soils, and one agricultural soil, that is, tea plantation (TP) soil, were investigated to determine how land use shapes bacterial and archaeal diversity. For this purpose, molecular analyses, such as quantitative polymerase chain reaction (Q-PCR), 16S rRNA gene sequencing, and terminal restriction fragment length polymorphism (T-RFLP), were used. Soil physicochemical properties were determined, and statistical analyses were performed to identify the key factors affecting microbial diversity in these soils. Phylogenetic affiliations determined using the Ribosomal Database Project (RDP) database and T-RFLP revealed that the soils had differing bacterial diversity. WL soil was rich in only Proteobacteria, whereas GR soil was rich in Proteobacteria, followed by Actinobacteria. FR soil had higher abundance of Chloroflexi species than these soils. TP soil was rich in Actinobacteria, followed by Chloroflexi, Acidobacteria, Proteobacteria, and Firmicutes. The archaeal diversity of GL and FR soils was similar in that most of their sequences were closely related to Nitrososphaerales (Thaumarchaeota phylum). In contrast, WL soil, followed by TP soil, had greater archaeal diversity than other soils. Eight different archaeal classes were found in WL soil, and Pacearchaeota class was the richest one. The abundance of bacterial and archaeal 16S rRNA gene copies in WL and GL soils was significantly higher than that in FR and TP soils. Redundancy analysis showed that bacterial diversity was influenced by abiotic factors, e.g., total organic carbon and pH, whereas total nitrogen, pH, and cation exchange capacity (CEC) significantly affected archaeal community composition. Pearson correlation analysis showed that bacterial and archaeal 16S rRNA gene abundance had the highest correlation with clay content (r > 0.905, P < 0.01), followed by total-P, CEC, pH, and silt (%). These results will lead to more comprehensive understanding of how land use affects microbial distribution.
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Affiliation(s)
- Tin Mar Lynn
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China
| | - Qiong Liu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yajun Hu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China. .,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China.
| | - Hongzhao Yuan
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China
| | - Xiaohong Wu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Aye Aye Khai
- Biotechnology Research Department, Ministry of Education, Kyaukse, 100301, Myanmar
| | - Jinshui Wu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China
| | - Tida Ge
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, 410125, Hunan, China.,Changsha Observation and Research Station for Agricultural environment, Chinese Academy of Sciences, Changsha, 410125, China
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6
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Uroz S, Oger P, Tisserand E, Cébron A, Turpault MP, Buée M, De Boer W, Leveau JHJ, Frey-Klett P. Specific impacts of beech and Norway spruce on the structure and diversity of the rhizosphere and soil microbial communities. Sci Rep 2016; 6:27756. [PMID: 27302652 PMCID: PMC4908602 DOI: 10.1038/srep27756] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 05/25/2016] [Indexed: 11/09/2022] Open
Abstract
The impacts of plant species on the microbial communities and physico-chemical characteristics of soil are well documented for many herbs, grasses and legumes but much less so for tree species. Here, we investigate by rRNA and ITS amplicon sequencing the diversity of microorganisms from the three domains of life (Archaea, Bacteria and Eukaryota:Fungi) in soil samples taken from the forest experimental site of Breuil-Chenue (France). We discovered significant differences in the abundance, composition and structure of the microbial communities associated with two phylogenetically distant tree species of the same age, deciduous European beech (Fagus sylvatica) and coniferous Norway spruce (Picea abies Karst), planted in the same soil. Our results suggest a significant effect of tree species on soil microbiota though in different ways for each of the three microbial groups. Fungal and archaeal community structures and compositions are mainly determined according to tree species, whereas bacterial communities differ to a great degree between rhizosphere and bulk soils, regardless of the tree species. These results were confirmed by quantitative PCR, which revealed significant enrichment of specific bacterial genera, such as Burkholderia and Collimonas, known for their ability to weather minerals within the tree root vicinity.
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Affiliation(s)
- S Uroz
- INRA-Université de Lorraine , UMR1136 « Interactions Arbres-Microorganismes », F-54280 Champenoux, France.,INRA UR 1138 "Biogéochimie des Ecosystèmes Forestiers", Centre INRA de Nancy, Champenoux, France
| | - P Oger
- UMR5276 Laboratoire de Géologie de Lyon, Ecole Normale de Lyon, 46 allée d'Italie, 69364 Lyon Cedex 07, France
| | - E Tisserand
- INRA-Université de Lorraine , UMR1136 « Interactions Arbres-Microorganismes », F-54280 Champenoux, France
| | - A Cébron
- CNRS, LIEC UMR7360 Faculté des Sciences et Technologies, 54506 Vandoeuvre-les-Nancy, France.,Université de Lorraine, LIEC UMR7360 Faculté des Sciences et Technologies, 54506 Vandoeuvre-les-Nancy, France
| | - M-P Turpault
- INRA UR 1138 "Biogéochimie des Ecosystèmes Forestiers", Centre INRA de Nancy, Champenoux, France
| | - M Buée
- INRA-Université de Lorraine , UMR1136 « Interactions Arbres-Microorganismes », F-54280 Champenoux, France
| | - W De Boer
- Netherlands Institute of Ecology (NIOO-KNAW), Department of Microbial Ecology, Wageningen, The Netherlands
| | - J H J Leveau
- Department of Plant Pathology, University of California, Davis CA 95616, USA
| | - P Frey-Klett
- INRA-Université de Lorraine , UMR1136 « Interactions Arbres-Microorganismes », F-54280 Champenoux, France
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Song L, Wang Y, Tang W, Lei Y. Archaeal community diversity in municipal waste landfill sites. Appl Microbiol Biotechnol 2015; 99:6125-37. [DOI: 10.1007/s00253-015-6493-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Revised: 02/13/2015] [Accepted: 02/17/2015] [Indexed: 10/23/2022]
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Hu HW, Macdonald CA, Trivedi P, Holmes B, Bodrossy L, He JZ, Singh BK. Water addition regulates the metabolic activity of ammonia oxidizers responding to environmental perturbations in dry subhumid ecosystems. Environ Microbiol 2014; 17:444-61. [DOI: 10.1111/1462-2920.12481] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2014] [Accepted: 04/04/2014] [Indexed: 01/26/2023]
Affiliation(s)
- Hang-Wei Hu
- Hawkesbury Institute for the Environment; University of Western Sydney; Penrith South DC NSW 2751 Australia
- State Key Laboratory of Urban and Regional Ecology; Research Center for Eco-Environmental Sciences; Chinese Academy of Sciences; Beijing 100085 China
| | - Catriona A. Macdonald
- Hawkesbury Institute for the Environment; University of Western Sydney; Penrith South DC NSW 2751 Australia
| | - Pankaj Trivedi
- Hawkesbury Institute for the Environment; University of Western Sydney; Penrith South DC NSW 2751 Australia
| | - Bronwyn Holmes
- Marine and Atmospheric Research and Wealth from Oceans National Research Flagship; CSIRO; Hobart Tas. Australia
| | - Levente Bodrossy
- Marine and Atmospheric Research and Wealth from Oceans National Research Flagship; CSIRO; Hobart Tas. Australia
| | - Ji-Zheng He
- State Key Laboratory of Urban and Regional Ecology; Research Center for Eco-Environmental Sciences; Chinese Academy of Sciences; Beijing 100085 China
| | - Brajesh K. Singh
- Hawkesbury Institute for the Environment; University of Western Sydney; Penrith South DC NSW 2751 Australia
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