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Petrović M, Medunić G, Fiket Ž. Essential role of multi-element data in interpreting elevated element concentrations in areas impacted by both natural and anthropogenic influences. PeerJ 2023; 11:e15904. [PMID: 37744221 PMCID: PMC10512964 DOI: 10.7717/peerj.15904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/25/2023] [Indexed: 09/26/2023] Open
Abstract
Background This article presents a detailed analysis of a dataset consisting of 27 elements found in soils, soil eluates, and vegetables from private gardens in a region with a long history of coal mining and burning. With coal being one of the world's most significant energy sources, and previous studies highlighting elevated element levels in vegetables from this region, the objective of this study was to identify the factors that impact soil geochemistry and metal(loid) uptake in plants. Methods Total major and trace element concentrations were analyzed in soils, soil eluates and vegetables by high resolution inductively coupled plasma mass spectrometry. The vegetable samples included six species: fennel, garlic, lettuce, parsley, onion, and radicchio. Each plant was divided into roots, stems, leaves, and/or bulbs and analyzed separately. In addition, the soil pollution status, bioavailable fractions and transfer factors from soil and soil eluates to different plant parts were determined. Results The comprehensive dataset revealed that, apart from the substrate enriched with various elements (Al, As, Co, Cr, Mo, Ni, Pb, Sb, Sn, Ti, U, V, and Zn), other anthropogenic factors such as the legacy of coal mining and combustion activities, associated industries in the area, transport, and agricultural practices, also influence the elevated element concentrations (Cd, Cu, Fe, Mn, and Se) in locally grown vegetables. The transfer factors based on element concentrations in aqueous soil eluates and element bioavailable fractions confirmed to be an effective tool for evaluating metal uptake in plants, emphazising to some extent the effects of plant species and revealing unique patterns for each pollution source within its environmental context (e.g., Cd, Mo, S, and Se in this case). The study highlights the crucial importance of utilizing comprehensive datasets that encompass a multitude of factors when interpreting the impacts of element uptake in edible plants.
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Affiliation(s)
- Marija Petrović
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Zagreb, Croatia
| | - Gordana Medunić
- Department of Geology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Željka Fiket
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Zagreb, Croatia
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Mukherjee S, Basak A, Chakraborty A, Goswami R, Ray K, Ali MN, Santra S, Hazra AK, Tripathi S, Banerjee H, Layek J, Panwar AS, Ravisankar N, Ansari MA, Chatterjee G. Revisiting the oldest manure of India, Kunapajala: Assessment of its animal waste recycling potential as a source of plant biostimulant. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2023. [DOI: 10.3389/fsufs.2022.1073010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
India's oldest documented manure, most commonly referred to as Kunapajala, has a long history of over 1,000 years in crop cultivation. Kunapajala is primarily an in-situ decomposition technology of animal waste and can potentially provide an eco-friendly pipeline for recycling bio-waste into essential plant nutrients. This traditional animal manure, in addition, also contains dairy excreta (e.g., feces and urine), dairy products (e.g., milk and ghee), natural resources (e.g., honey), broken seeds or grains, and their non-edible by-product waste. Here, we aimed to assess the waste recycling and plant biostimulant potential of Kunapajala prepared from livestock (e.g., Black Bengal goats) or fish (e.g., Bombay duck) post-processed wastes over different decomposition periods, e.g., (0, 30, 60, and 90-days). In this study, an in-situ quantification of livestock- (lKPJ) and fish-based Kunapajala (fKPJ) reveals a dynamic landscape of essential plant primary nutrients, e.g., (0.70 > NH4-N < 3.40 g•L−1), (100.00 > P2O5 < 620.00 mg•L−1), and (175.00 > K2O < 340.00 mg•L−1), including other physico-chemical attributes of Kunapajala. Using correlation statistics, we find that the plant-available nutrient content of Kunapajala depicts a significant (p < 0.0001) transformation over decomposition along with microbial dynamics, abundance, and diversities, delineating a microbial interface to animal waste decomposition and plant growth promotion. Importantly, this study also reports the indole 3-acetic acid (IAA) content (40.00 > IAA < 135.00 mg•L−1) in Kunapajala. Furthermore, the bacterial screening based on plant growth-promoting traits and their functional analyses elucidate the mechanism of the plant biostimulant potential of Kunapajala. This assay finally reports two best-performing plant growth-promoting bacteria (e.g., Pseudomonas chlororaphis and Bacillus subtilis) by the 16S ribotyping method. In support, in-planta experiments have demonstrated, in detail, the bio-stimulative effects of Kunapajala, including these two bacterial isolates alone or in combination, on seed germination, root-shoot length, and other important agronomic, physio-biochemical traits in rice. Together, our findings establish that Kunapajala can be recommended as a source of plant biostimulant to improve crop quality traits in rice. Overall, this work highlights Kunapajala, for the first time, as a promising low-cost microbial technology that can serve a dual function of animal waste recycling and plant nutrient recovery to promote sustainable intensification in agroecosystems.
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Balmus IM, Copolovici D, Copolovici L, Ciobica A, Gorgan DL. Biomolecules from Plant Wastes Potentially Relevant in the Management of Irritable Bowel Syndrome and Co-Occurring Symptomatology. Molecules 2022; 27:molecules27082403. [PMID: 35458601 PMCID: PMC9024464 DOI: 10.3390/molecules27082403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 12/10/2022] Open
Abstract
During and following the processing of a plant’s raw material, considerable amounts are wasted, composted, or redistributed in non-alimentary sectors for further use (for example, some forms of plant waste contribute to biofuel, bioethanol, or biomass production). However, many of these forms of waste still consist of critical bioactive compounds used in the food industry or medicine. Irritable bowel syndrome (IBS) is one of the most common functional gastrointestinal disorders. The primary treatment is based on symptomatology alleviation and controlled dietary management. Thus, this review aimed to describe the possible relevance of molecules residing in plant waste that can be used to manage IBS and co-occurring symptoms. Significant evidence was found that many forms of fruit, vegetable, and medicinal plant waste could be the source of some molecules that could be used to treat or prevent stool consistency and frequency impairments and abdominal pain, these being the main IBS symptoms. While many of these molecules could be recovered from plant waste during or following primary processing, the studies suggested that enriched food could offer efficient valorization and prevent further changes in properties or stability. In this way, root, stem, straw, leaf, fruit, and vegetable pomaces were found to consist of biomolecules that could modulate intestinal permeability, pain perception, and overall gastrointestinal digestive processes.
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Affiliation(s)
- Ioana-Miruna Balmus
- Department of Exact Sciences and Natural Sciences, Institute of Interdisciplinary Research, Alexandru Ioan Cuza University of Iasi, Carol I Avenue, no. 11, 700506 Iasi, Romania;
| | - Dana Copolovici
- Faculty of Food Engineering, Tourism and Environmental Protection, Institute for Research, Development and Innovation in Technical and Natural Sciences, “Aurel Vlaicu” University of Arad, Elena Dragoi St., no. 2, 310330 Arad, Romania;
- Correspondence: (D.C.); (A.C.)
| | - Lucian Copolovici
- Faculty of Food Engineering, Tourism and Environmental Protection, Institute for Research, Development and Innovation in Technical and Natural Sciences, “Aurel Vlaicu” University of Arad, Elena Dragoi St., no. 2, 310330 Arad, Romania;
| | - Alin Ciobica
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, Carol I Avenue, no. 22a, 700506 Iasi, Romania;
- Correspondence: (D.C.); (A.C.)
| | - Dragos Lucian Gorgan
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, Carol I Avenue, no. 22a, 700506 Iasi, Romania;
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Zulfiqar F, Russell G, Hancock JT. Molecular hydrogen in agriculture. PLANTA 2021; 254:56. [PMID: 34420086 DOI: 10.1007/s00425-021-03706-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 08/14/2021] [Indexed: 05/04/2023]
Abstract
H2 gas, usually in the form of H2-saturated water, could play a useful role in improving many aspects of plant growth and productivity, including resistance to stress tolerance and improved post-harvest durability. Therefore, molecular hydrogen delivery systems should be considered as a valuable addition within agricultural practice. Agriculture and food security are both impacted by plant stresses, whether that is directly from human impact or through climate change. A continuously increasing human population and rising food consumption means that there is need to search for agriculturally useful and environment friendly strategies to ensure future food security. Molecular hydrogen (H2) research has gained momentum in plant and agricultural science owing to its multifaceted and diverse roles in plants. H2 application can mitigate against a range of stresses, including salinity, heavy metals and drought. Therefore, knowing how endogenous, or exogenously applied, H2 enhances the growth and tolerance against numerous plant stresses will enhance our understanding of how H2 may be useful for future to agriculture and horticulture. In this review, recent progress and future implication of H2 in agriculture is highlighted, focusing on how H2 impacts on plant cell function and how it can be applied for better plant performance. Although the exact molecular action of H2 in plants remains elusive, this safe and easy to apply treatment should have a future in agricultural practice.
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Affiliation(s)
- Faisal Zulfiqar
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.
| | - Grace Russell
- Department of Applied Sciences, University of the West of England, Bristol, UK
| | - John T Hancock
- Department of Applied Sciences, University of the West of England, Bristol, UK
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Dos Santos CA, do Amaral Sobrinho NMB, da Mota Gonçalves RG, Costa TGA, do Carmo MGF. Toxic Metals in Broccoli by Combined Use of Acidity Correctives and Poultry Litter Under Mountain Tropical Conditions. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 80:507-518. [PMID: 33590325 DOI: 10.1007/s00244-021-00817-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 01/24/2021] [Indexed: 06/12/2023]
Abstract
The current study was developed to evaluate agronomic efficiency and food security of isolated or simultaneous use of two residues-steel slag and fresh or composted poultry litter-in the cultivation of broccoli (Brassica oleracea var. italica). The composition and contribution of toxic and potentially toxic metals by different treatments and contents, translocation, and accumulation of Pb, Cd, Cu, Fe, Mn, and Zn in different plant organs were analyzed. Then, risks to human health associated with consumption of inflorescences were based on the indices of estimated daily intake, noncarcinogenic target hazard quotient, total hazard index (THI), and carcinogenic risk factor (CR), considering adults and children. Steel slag was similar to limestone in terms of the corrective effect of acidity and, despite containing toxic metals, it did not contribute to their higher translocation to inflorescences. Composting favored the concentrations of Pb, Cu, and Zn in poultry litter. The combined use of steel slag and fresh poultry litter and, mainly, composted poultry litter, favored absorption and translocation of Pb for inflorescences, that is, 60.37% and 66.13% of all Pb absorbed, respectively. Consumption of inflorescences from these treatments resulted in the critical THI values of 1.03 and 1.52, respectively, with Pb and Cd being the metals that mostly contributed to the risk. The registered CR was higher than the threshold level of 10-6. The use of steel slag associated with poultry litter favors contamination of broccoli inflorescences and increases risks to human health due to their consumption.
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Affiliation(s)
- Carlos Antônio Dos Santos
- Departamento de Fitotecnia, Instituto de Agronomia, Universidade Federal Rural Do Rio de Janeiro, BR-465, Km 07, Seropédica, RJ, 23897-000, Brazil.
| | | | - Rafael Gomes da Mota Gonçalves
- Departamento de Solos, Instituto de Agronomia, Universidade Federal Rural Do Rio de Janeiro, BR-465, Km 07, Seropédica, RJ, 23897-000, Brazil
| | - Tâncio Gutier Ailan Costa
- Departamento de Solos, Instituto de Agronomia, Universidade Federal Rural Do Rio de Janeiro, BR-465, Km 07, Seropédica, RJ, 23897-000, Brazil
| | - Margarida Goréte Ferreira do Carmo
- Departamento de Fitotecnia, Instituto de Agronomia, Universidade Federal Rural Do Rio de Janeiro, BR-465, Km 07, Seropédica, RJ, 23897-000, Brazil
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Romero-Estévez D, Yánez-Jácome GS, Simbaña-Farinango K, Vélez-Terreros PY, Navarrete H. Determination of cadmium and lead in tomato ( Solanum lycopersicum) and lettuce ( Lactuca sativa) consumed in Quito, Ecuador. Toxicol Rep 2020; 7:893-899. [PMID: 32742937 PMCID: PMC7388161 DOI: 10.1016/j.toxrep.2020.07.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 07/13/2020] [Accepted: 07/16/2020] [Indexed: 01/02/2023] Open
Abstract
Cadmium content was lower than 0.100 mg/kg (tomato) and 0.200 mg/kg (lettuce). Lead content above or close to 0.100 mg/kg was found in 25 % of tomato samples. Organic products had similar lead and cadmium content as nonorganic ones.
Vegetables are one of the most important components in the human diet, but despite their multiple nutritional components, studies have demonstrated the presence of trace metals in their edible parts. In Ecuador, two of the most consumed crops are tomato (Solanum lycopersicum) and lettuce (Lactuca sativa). The importance of these two crops in the Ecuadorian diet, especially in large and touristic locations like the Metropolitan District of Quito, implies food safety-related concerns for locals and visitors. However, no previous studies have quantified the cadmium and lead levels in these two vegetables using samples from Quito markets. Thus, the aim of this study was to determine the cadmium and lead content in both tomato and lettuce products from main nonorganic and organic markets in Quito using a graphite furnace atomic absorption spectrophotometer. The results showed that the cadmium levels were lower than 0.058 in tomatoes and 0.034 mg/kg in lettuce, which are under the respective threshold values (0.100 and 0.200 mg/kg). Regarding lead, levels lower than 0.066 mg/kg were detected in lettuce, which did not exceed the CXS 193–1995 threshold value, while levels in tomatoes were near or exceeded the threshold value (0.100 mg/kg) from four markets (0.209, 0.162, 0.110, 0.099 mg/kg), suggesting a possible risk from tomato consumption. In addition, most vegetables marketed as organic had higher metal content than those coming from nonorganic markets. Based on these results, local health and commercial control authorities should monitor contaminants in food products sold in Quito and other places in Ecuador to ensure their safety.
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Key Words
- AOAC, Association of Official Analytical Chemists
- Atomic absorption spectrophotometry
- CXS, General Standard for Contaminants and Toxins in Food and Feed Codex
- DMQ, Metropolitan District of Quito
- DNA, deoxyribonucleic acid
- EPA, Environmental Protection Agency
- FAO, Food and Agriculture Organization
- Fairs
- HQ, hazard quotients
- INEN, Ecuadorian Standardization Service
- Markets
- NTE, Ecuadorian Technical Standard
- Nonorganic crops
- Organic crops
- RSD, relative standard deviation
- TM, trace metal
- Trace metals
- WHO, World Health Organization
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Affiliation(s)
- David Romero-Estévez
- Centro de Estudios Aplicados en Química CESAQ-PUCE, Pontificia Universidad Católica del Ecuador, Av. 12 de Octubre 1076 y Roca, Quito, 17012184, Ecuador
| | - Gabriela S Yánez-Jácome
- Centro de Estudios Aplicados en Química CESAQ-PUCE, Pontificia Universidad Católica del Ecuador, Av. 12 de Octubre 1076 y Roca, Quito, 17012184, Ecuador
| | - Karina Simbaña-Farinango
- Centro de Estudios Aplicados en Química CESAQ-PUCE, Pontificia Universidad Católica del Ecuador, Av. 12 de Octubre 1076 y Roca, Quito, 17012184, Ecuador
| | - Pamela Y Vélez-Terreros
- Centro de Estudios Aplicados en Química CESAQ-PUCE, Pontificia Universidad Católica del Ecuador, Av. 12 de Octubre 1076 y Roca, Quito, 17012184, Ecuador
| | - Hugo Navarrete
- Herbario QCA, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito. Av. 12 de Octubre 1076 y Roca, Quito, 17012184, Ecuador
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Waqas MA, Kaya C, Riaz A, Farooq M, Nawaz I, Wilkes A, Li Y. Potential Mechanisms of Abiotic Stress Tolerance in Crop Plants Induced by Thiourea. FRONTIERS IN PLANT SCIENCE 2019; 10:1336. [PMID: 31736993 PMCID: PMC6828995 DOI: 10.3389/fpls.2019.01336] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/25/2019] [Indexed: 05/05/2023]
Abstract
Abiotic stresses, such as temperature extremes, drought, salinity, and heavy metals are major factors limiting crop productivity and sustainability worldwide. Abiotic stresses disturb plant growth and yield formation. Several chemical compounds, known as plant growth regulators (PGRs), modulate plant responses to biotic and abiotic stresses at the cellular, tissue, and organ levels. Thiourea (TU) is an important synthetic PGR containing nitrogen (36%) and sulfur (42%) that has gained wide attention for its role in plant stress tolerance. Tolerance against abiotic stresses is a complex phenomenon involving an array of mechanisms, and TU may modulate several of these. An understanding of TU-induced tolerance mechanisms may help improve crop yield under stress conditions. However, the potential mechanisms involved in TU-induced plant stress tolerance are still elusive. In this review, we discuss the essential role of TU-induced tolerance in improving performance of plants growing under abiotic stresses and potential mechanisms underlying TU-induced stress tolerance. We also highlight exploitation of new avenues critical in TU-induced stress tolerance.
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Affiliation(s)
- Muhammad Ahmed Waqas
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- Laboratory for Agricultural Environment, Ministry of Agriculture, Beijing, China
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
| | - Cengiz Kaya
- Department of Soil Science & Plant Nutrition, Faculty of Agriculture, Harran University, ¸Sanlıurfa, Turkey
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
| | - Adeel Riaz
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Muhammad Farooq
- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud, Oman
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
- UWA Institute of Agriculture and School of Agriculture & Environment, The University of Western Australia, Perth, WA, Australia
| | - Iqra Nawaz
- Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, China
| | - Andreas Wilkes
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yue Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- Laboratory for Agricultural Environment, Ministry of Agriculture, Beijing, China
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
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