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Liu H, Li R, Hu W, Jian L, Huang B, Fan Y, Zhao Y, Zhang H, Khan KS. Multi-medium residues and ecological risk of herbicides in a typical agricultural watershed of the Mollisols region, Northeast China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 937:173507. [PMID: 38797413 DOI: 10.1016/j.scitotenv.2024.173507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
The widespread use of herbicides impacts non-target organisms, promotes weed resistance, posing a serious threat to the global goal of green production in agriculture. Although the herbicide residues have been widely reported in individual environmental medium, their presence across different media has received scant attention, particularly in Mollisols regions with intensive agricultural application of herbicides. A systematic investigation was conducted in this study to clarify the occurrence of herbicide residues in soil, surface water, sediments, and grains from a typical agricultural watershed in the Mollisols region of Northeast China. Concentrations of studied herbicides ranged from 0.30 to 463.49 μg/kg in soil, 0.31-29.73 μg/kg in sediments, 0.006-1.157 μg/L in water, and 0.32-2.83 μg/kg in grains. Among these, Clomazone was the most priority herbicide detected in soil, sediments, and water, and Pendimethalin in grains. Crop types significantly affected the residue levels of herbicides in grains. Clomazone posed high ecological risks in soil and water, with 86.4 % of water samples showing high risks from herbicide mixtures (RQ > 1). These findings aid in enhancing our comprehension of the pervasive occurrence and potential ecological risks of herbicides in different media within typical agricultural watersheds, providing detailed data to inform the development of targeted mitigation strategies.
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Affiliation(s)
- Hanqiang Liu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rui Li
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenyou Hu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Le Jian
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Biao Huang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Ya'nan Fan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Yongcun Zhao
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongyan Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China
| | - Khalid Saifullah Khan
- Institute of Soil and Environmental Sciences, PMAS Arid Agriculture University, Rawalpindi 46300, Pakistan
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2
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Porto MAF, Mendes KF, Tornisielo VL, Guiotoku M, de Freitas Souza M, Lins HA, Silva DV. Biochar obtained from eucalyptus, rice hull, and native bamboo as an alternative to decrease mobility of hexazinone, metribuzin, and quinclorac in a tropical soil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:423. [PMID: 38570374 DOI: 10.1007/s10661-024-12589-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
Mobile herbicides have a high potential for groundwater contamination. An alternative to decrease the mobility of herbicides is to apply materials with high sorbent capacity to the soil, such as biochars. The objective of this research was to evaluate the effect of eucalyptus, rice hull, and native bamboo biochar amendments on sorption and desorption of hexazinone, metribuzin, and quinclorac in a tropical soil. The sorption-desorption was evaluated using the batch equilibrium method at five concentrations of hexazinone, metribuzin, and quinclorac. Soil was amended with eucalyptus, rice hull, and native bamboo biochar at a rate of 0 (control-unamended) and 1% (w w-1), corresponding to 0 and 12 t ha-1, respectively. The amount of sorbed herbicides in the unamended soil followed the decreasing order: quinclorac (65.9%) > metribuzin (21.4%) > hexazinone (16.0%). Native bamboo biochar provided the highest sorption compared to rice hull and eucalyptus biochar-amended soils for the three herbicides. The amount of desorbed herbicides in the unamended soil followed the decreasing order: metribuzin (18.35%) > hexazinone (15.9%) > quinclorac (15.1%). Addition of native bamboo biochar provided the lowest desorption among the biochar amendments for the three herbicides. In conclusion, the biochars differently affect the sorption and desorption of hexazinone, metribuzin, and quinclorac mobile herbicides in a tropical soil. The addition of eucalyptus, rice hull, and native bamboo biochars is a good alternative to increase the sorption of hexazinone, metribuzin, and quinclorac, thus, reducing mobility and availability of these herbicides to nontarget organisms in soil.
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Affiliation(s)
- Maria Alice Formiga Porto
- Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, Rio Grande do Norte, Brazil
| | | | | | - Marcela Guiotoku
- Empresa Brasileira de Pesquisa Agropecuária, Brasília, Distrito Federal, Brazil
| | | | - Hamurábi Anizio Lins
- Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, Rio Grande do Norte, Brazil.
| | - Daniel Valadão Silva
- Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido, Mossoró, Rio Grande do Norte, Brazil
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3
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Mielke KC, Brochado MGDS, Laube AFS, Guimarães T, Medeiros BADP, Mendes KF. Pyrolysis Temperature vs. Application Rate of Biochar Amendments: Impacts on Soil Microbiota and Metribuzin Degradation. Int J Mol Sci 2023; 24:11154. [PMID: 37446332 DOI: 10.3390/ijms241311154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/29/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Biochar-amended soils influence the degradation of herbicides depending on the pyrolysis temperature, application rate, and feedstock used. The objective of this study was to evaluate the influence of sugarcane straw biochar (BC) produced at different pyrolysis temperatures (350 °C, 550 °C, and 750 °C) and application rates in soil (0, 0.1, 0.5, 1, 1.5, 5, and 10% w/w) on metribuzin degradation and soil microbiota. Detection analysis of metribuzin in the soil to find time for 50% and 90% metribuzin degradation (DT50 and DT90) was performed using high-performance liquid chromatography (HPLC). Soil microbiota was analyzed by respiration rate (C-CO2), microbial biomass carbon (MBC), and metabolic quotient (qCO2). BC350 °C-amended soil at 10% increased the DT50 of metribuzin from 7.35 days to 17.32 days compared to the unamended soil. Lower application rates (0.1% to 1.5%) of BC550 °C and BC750 °C decreased the DT50 of metribuzin to ~4.05 and ~5.41 days, respectively. BC350 °C-amended soil at high application rates (5% and 10%) provided high C-CO2, low MBC fixation, and high qCO2. The addition of low application rates (0.1% to 1.5%) of sugarcane straw biochar produced at high temperatures (BC550 °C and BC750 °C) resulted in increased metribuzin degradation and may influence the residual effect of the herbicide and weed control efficiency.
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Affiliation(s)
- Kamila Cabral Mielke
- Department of Agronomy, Federal University of Viçosa, Viçosa 36570-900, MG, Brazil
| | | | | | - Tiago Guimarães
- Department of Chemistry, Federal University of Viçosa, Viçosa 36570-900, MG, Brazil
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4
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Zhang W, Zhou X, Ye Q, Cheng X, Zhang S, Yu Z, Wang W. Nonenantioselective environmental behavior of a chiral antiviral pesticide dufulin in aerobic soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163312. [PMID: 37030363 DOI: 10.1016/j.scitotenv.2023.163312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 05/27/2023]
Abstract
Dufulin is a promising chiral antiviral agent, but little is known about its fate in soils. In this study, the fate of dufulin enantiomers in aerobic soils was investigated using radioisotope tracing techniques. The result of the four-compartment model showed no significant differences in dissipation, generation of bound residues (BR) and mineralization between S-dufulin and R-dufulin during incubation. Dufulin dissipated most quickly in cinnamon soils, followed by fluvo-aquic and black soils and the half-lives of dufulin in these soils obtained by the modified model were 4.92-5.23, 32.39-33.32 and 60.80-61.34 d, respectively. After 120 d incubation, the percentage of radioactivity of BR increased to 18.2-38.4 % in the three soils. Dufulin formed most bound residues in the black soil, least in the cinnamon soil, and BRs rapidly formed in the cinnamon soil during the early culture period. In these three soils, the cumulative mineralization of 14CO2 ranged from 25.0 to 26.7 %, 42.1 to 43.4 % and 33.8 to 34.4 %, respectively, which indicated that the environmental fate of dufulin was primarily influenced by soil characteristics. The study of microbial community structure revealed that the phyla Ascomycota, Proteobacteria and genus Mortierella might be related to the degradation of dufulin. These findings provide a reference for assessing the environmental impact and ecological safety of dufulin application.
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Affiliation(s)
- Weiwei Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Xin Zhou
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Xi Cheng
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China; State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Sufen Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Zhiyang Yu
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Wei Wang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
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5
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Cristina dos Reis F, Mielke KC, Mendes KF, Nogueira de Sousa R, Heluany MH, Tornisielo VL, Filho RV. Diuron, hexazinone, and sulfometuron-methyl applied alone and in mixture in soils: Distribution of extractable residue, bound residue, biodegradation, and mineralization. Heliyon 2023; 9:e17817. [PMID: 37455978 PMCID: PMC10344761 DOI: 10.1016/j.heliyon.2023.e17817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/23/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
Biodegradation studies of herbicides applied to the soil alone and in a mixture are required since herbicides are often used in combinations to control weeds. When herbicides are applied in mixtures, interactions may affect their environmental fate. Thus, the objective of this study was to evaluate the distribution of extractable residue, bound residue, biodegradation, and mineralization of diuron, hexazinone, and sulfometuron-methyl when applied alone and in a mixture in two agricultural soils. Biometric flasks filled with two types of soil (clay and sandy) collected from an area cultivated with sugarcane and treated with 14C-radiolabeled solutions of the herbicides were incubated for 70 d. More 14C-CO2 was released when sulfometuron-methyl and hexazinone were applied in a mixture compared to when applied alone. Being used in a combination did not affect the mineralization of diuron. The soil texture directly influenced the mineralization, bound residue, and extractable residue of the three herbicides. The percentage of extractable residue decreased over time for all herbicides. Hexazinone and sulfometuron-methyl had the highest residue extracted on sandy soil when applied alone. Diuron showed the highest percentage of bound residue. The degradation of the three herbicides was higher in the clay soil regardless of the mode of application, which is related to the higher potential of the bacterial community in the clay soil to mineralize the herbicides.
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Affiliation(s)
- Fabricia Cristina dos Reis
- Center of Nuclear Energy in Agriculture, University of São Paulo (CENA/USP), SP, Brazil
- Agricultural Assistant, Secretariat of Agriculture and Supply, Campinas, SP, Brazil
| | | | | | - Rodrigo Nogueira de Sousa
- Department of Soil Science, Agriculture College “Luiz de Queiroz”, University of São Paulo, Piracicaba, SP, Brazil
| | - Maísa Helena Heluany
- Technical at Multiuser Laboratory for Biological Studies, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Valdemar Luiz Tornisielo
- Ecotoxicology Laboratory, Center of Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Ricardo Victoria Filho
- Department of Crop Science, Agriculture College “Luiz de Queiroz”, University of São Paulo, Piracicaba, SP, Brazil
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6
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Campan P, Samouelian A, Voltz M. Evaluation of temperature corrections for pesticide half-lives in tropical and temperate soils. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:21468-21480. [PMID: 36271996 DOI: 10.1007/s11356-022-23566-9] [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: 05/05/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Temperature is a key factor that influences pesticide degradation. Extrapolating degradation half-lives (DT50) measured at a given temperature to different temperatures remains challenging, especially for tropical conditions with high temperatures. In this study, the use of the standard Arrhenius equation for correcting temperature effects on pesticide degradation in soils was evaluated and its performance was compared with that of alternative Arrhenius-based equations. To do so, a database of 509 DT50 values measured between 5 and 35 °C for 32 pesticides on tropical and temperate soils was compiled for the first time through an extensive literature search. The temperature correction models were fitted to the database using linear mixed regression approaches that included soil type and compound effects. No difference in the temperature dependence of DT50 between tropical and temperate soils was detected, regardless of the model. A comparison of the prediction performances of the models showed that constant activation energy (Ea) cannot be considered valid for the whole range of temperatures. The classical Arrhenius equation with an Ea of 65.4 kJ.mol-1, as recommended by the European Food Safety Authority (EFSA), was shown to be valid for correcting the DT50 only for temperatures ranging from 5 to 20 °C. However, for temperatures greater than 20 °C, which are common in tropical environments, the median Ea was significantly lower at 10.3 kJ.mol-1. These findings suggest the need to adapt the standard temperature correction of the European pesticide risk assessment temperature procedure when it is applied in tropical settings.
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Affiliation(s)
- Pauline Campan
- UMR LISAH, Univ. Montpellier, INRAE, IRD, Institut Agro, 2 Place Pierre Viala, 34060, Montpellier, France.
| | - Anatja Samouelian
- UMR LISAH, Univ. Montpellier, INRAE, IRD, Institut Agro, 2 Place Pierre Viala, 34060, Montpellier, France
| | - Marc Voltz
- UMR LISAH, Univ. Montpellier, INRAE, IRD, Institut Agro, 2 Place Pierre Viala, 34060, Montpellier, France
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7
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Xiang D, Zhu L, Yang S, Hou X. Scrutinizing the interaction between metribuzin with glutathione reductase 2 from Arabidopsis thaliana: insight into the molecular toxicity in agriculture. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:11936-11945. [PMID: 36100787 DOI: 10.1007/s11356-022-22808-0] [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: 02/24/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
As one of the triazine herbicides with widespread usage in agriculture, metribuzin exerted nonnegligible hazardous effects on plants via excessive accumulation of reactive oxygen species and destruction of antioxidant enzymes, but the underlying harmful mechanism of metribuzin-induced oxidative damage to plants has never been exploited. Here, Arabidopsis thaliana glutathione reductase 2 (AtGR2) was employed as the biomarker to evaluate the adverse impacts of metribuzin on plants. The fluorescence intensity of AtGR2 was decreased based on the static quenching mechanism with the prediction of a single binding site toward metribuzin, and the complex formation was presumed to be mainly impelled by hydrogen bonding and van der Waals forces from the negative ΔH and ΔS. In addition, the loosened and unfolded skeleton of AtGR2 along with the increased hydrophilicity around the tryptophan residues were investigated. Besides, the glutathione reductase activity of AtGR2 was also destroyed due to structural and conformational changes. At last, the severe inhibiting growth of Arabidopsis seedling roots was discovered under metribuzin exposure. Hence, the evaluation of the molecular interaction mechanism of AtGR2 with metribuzin will establish valuable assessments of the toxic effects of metribuzin on plants.
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Affiliation(s)
- Dongmei Xiang
- Shandong Province Key Laboratory of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, 266109, China
| | - Lin Zhu
- Shandong Province Key Laboratory of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, 266109, China
| | - Song Yang
- Shandong Province Key Laboratory of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xiaomin Hou
- Shandong Province Key Laboratory of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, 266109, China.
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8
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Takeshita V, Munhoz-Garcia GV, Werk Pinácio C, Cardoso BC, Nalin D, Tornisielo VL, Fraceto LF. Availability of Metribuzin-Loaded Polymeric Nanoparticles in Different Soil Systems: An Important Study on the Development of Safe Nanoherbicides. PLANTS (BASEL, SWITZERLAND) 2022; 11:3366. [PMID: 36501405 PMCID: PMC9737720 DOI: 10.3390/plants11233366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Nanoformulations have been used to improve the delivery of fertilizers, pesticides, and growth regulators, with a focus on more sustainable agriculture. Nanoherbicide research has focused on efficiency gains through targeted delivery and environmental risk reduction. However, research on the behavior and safety of the application of these formulations in cropping systems is still limited. Organic matter contained in cropping systems can change the dynamics of herbicide−soil interactions in the presence of nanoformulations. The aim of this study was to use classical protocols from regulatory studies to understand the retention and mobility dynamics of a metribuzin nanoformulation, compared to a conventional formulation. We used different soil systems and soil with added fresh organic material. The batch method was used for sorption−desorption studies and soil thin layer chromatography for mobility studies, both by radiometric techniques. Sorption parameters for both formulations showed that retention is a reversible process in all soil systems (H~1.0). In deep soil with added fresh organic material, nanoformulation was more sorbed (14.61 ± 1.41%) than commercial formulation (9.72 ± 1.81%) (p < 0.05). However, even with the presence of straw as a physical barrier, metribuzin in nano and conventional formulations was mobile in the soil, indicating that the straw can act as a barrier to reduce herbicide mobility but is not impeditive to herbicide availability in the soil. Our results suggest that environmental safety depends on organic material maintenance in the soil system. The availability can be essential for weed control, associated with nanoformulation efficiency, in relation to the conventional formulation.
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Affiliation(s)
- Vanessa Takeshita
- Center of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, Piracicaba 13400-970, SP, Brazil
| | | | - Camila Werk Pinácio
- Center of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, Piracicaba 13400-970, SP, Brazil
| | - Brian Cintra Cardoso
- Center of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, Piracicaba 13400-970, SP, Brazil
| | - Daniel Nalin
- Center of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, Piracicaba 13400-970, SP, Brazil
| | - Valdemar Luiz Tornisielo
- Center of Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, Piracicaba 13400-970, SP, Brazil
| | - Leonardo Fernandes Fraceto
- Institute of Science and Technology, São Paulo State University (UNESP), Av. Três de Março 511, Sorocaba 18087-180, SP, Brazil
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9
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Wang X, Yu D, Ma L, Lu X, Song J, Lei M. Using big data searching and machine learning to predict human health risk probability from pesticide site soils in China. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 320:115798. [PMID: 35932743 DOI: 10.1016/j.jenvman.2022.115798] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/22/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Affiliation(s)
- Xin Wang
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dongsheng Yu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Lixia Ma
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xiaosong Lu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Song
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei Lei
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
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10
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Takeshita V, Carvalho LB, Galhardi JA, Munhoz-Garcia GV, Pimpinato RF, Oliveira HC, Tornisielo VL, Fraceto LF. Development of a Preemergent Nanoherbicide: From Efficiency Evaluation to the Assessment of Environmental Fate and Risks to Soil Microorganisms. ACS NANOSCIENCE AU 2022; 2:307-323. [PMID: 37102067 PMCID: PMC10125138 DOI: 10.1021/acsnanoscienceau.1c00055] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Nanoparticles based on biodegradable polymers have been shown to be excellent herbicide carriers, improving weed control and protecting the active ingredient in the crop fields. Metribuzin is often found in natural waters, which raises environmental concerns. Nanoencapsulation of this herbicide could be an alternative to reduce its losses to the environment and improve gains in its efficiency. However, there is a paucity of information about the behavior of nanoformulations of herbicides in environmental matrices. In this study, the stability of nanoencapsulated metribuzin in polymeric nanoparticles (nanoMTZ) was verified over time, as well as its dissipation in different soils, followed by the effects on soil enzymatic activity. The physiological parameters and control effects of nanoMTZ on Ipomoea grandifolia plants were investigated. No differences were verified in the half-life of nanoencapsulated metribuzin compared to a commercial formulation of the herbicide. Moreover, no suppressive effects on soil enzymatic activities were observed. The retention of nanoMTZ in the tested soils was lower compared to its commercial analogue. However, the mobility of nanoencapsulated metribuzin was not greatly increased, reflecting a low risk of groundwater contamination. Weed control was effective even at the lowest dose of nanoMTZ (48 g a.i. ha-1), which was consistent with the higher efficiency of nanoMTZ compared to the conventional herbicide in inhibiting PSII activity and decreasing pigment levels. Overall, we verified that nanoMTZ presented a low environmental risk, with increased weed control.
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Affiliation(s)
- Vanessa Takeshita
- Center
of Nuclear Energy in Agriculture, University
of São Paulo, Av. Centenário 303, 13400-970 Piracicaba, SP, Brazil
| | - Lucas Bragança Carvalho
- Institute
of Science and Technology, São Paulo
State University (UNESP), Av. Três de Março
511, 18087-180 Sorocaba, SP, Brazil
| | - Juliana Aparecida Galhardi
- Institute
of Science and Technology, São Paulo
State University (UNESP), Av. Três de Março
511, 18087-180 Sorocaba, SP, Brazil
| | | | - Rodrigo Floriano Pimpinato
- Center
of Nuclear Energy in Agriculture, University
of São Paulo, Av. Centenário 303, 13400-970 Piracicaba, SP, Brazil
| | - Halley Caixeta Oliveira
- Department
of Animal and Plant Biology, State University
of Londrina, PR 445,
km 380, 86057-970 Londrina, PR, Brazil
| | - Valdemar Luiz Tornisielo
- Center
of Nuclear Energy in Agriculture, University
of São Paulo, Av. Centenário 303, 13400-970 Piracicaba, SP, Brazil
| | - Leonardo Fernandes Fraceto
- Institute
of Science and Technology, São Paulo
State University (UNESP), Av. Três de Março
511, 18087-180 Sorocaba, SP, Brazil
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11
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Composition of bacterial community and isolation of bacteria responsible for diuron degradation in sediment and soil under anaerobic condition. Arch Microbiol 2022; 204:418. [PMID: 35737117 DOI: 10.1007/s00203-022-03040-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 11/02/2022]
Abstract
The herbicide diuron is extensively used in the agriculture sector and is detected widely in the environment. Although several studies on the degradation of diuron by aerobic microorganisms have been reported, the degradation of diuron by anaerobic microorganisms has not been received much attention. Also, no pure culture that can degrade diuron under anaerobic conditions has yet been reported. The evaluation of diuron degradation in the soil and sediment slurries showed that diuron led to a decrease in the biodiversity of the bacterial communities. Two mixed bacterial cultures, one from the soil and the other from sediment slurries, were isolated from the enrichment media under anaerobic conditions. After 30 days of incubation at 30 °C, the mixed bacterial culture from the soil degraded 84.5 ± 5.5%, and that from the sediment slurry degraded 94.5 ± 3.0% of diuron in liquid mineral medium at an initial concentration of 20 mg/L. 1-(3,4-dichlorophenylurea (DCPU), 3-(3-chlorophenyl)-1,1-dimethylurea (CPDMU), and 3,4-dichloroaniline (3,4-DCA) were the major diuron metabolites produced by both the indigenous microorganisms and the isolated bacteria.
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Silva TS, Araújo de Medeiros RDC, Silva DV, de Freitas Souza M, das Chagas PSF, Lins HA, da Silva CC, Souza CMM, Mendonça V. Interaction between herbicides applied in mixtures alters the conception of its environmental impact. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:15127-15143. [PMID: 34628609 DOI: 10.1007/s11356-021-16644-x] [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: 05/03/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Herbicide mixtures have often been used to control weeds in crops worldwide, but the behavior of these mixtures in the environment is still poorly understood. Laboratory and greenhouse tests have been conducted to study the interaction of the herbicides diuron, hexazinone, and sulfometuron-methyl which have been applied alone and in binary and ternary mixtures in the processes of sorption, desorption, half-life, and leaching in the soil. A new index of the risk of leaching of these herbicides has also been proposed. The sorption and desorption study has been carried out by the batch equilibrium method. The dissipation of the herbicides has been evaluated for 180 days to determine the half-life (t1/2). The leaching tests have been carried out on soil columns. The herbicides isolated and in mixtures have been quantified using ultra-high performance liquid chromatography coupled to the mass spectrometer. Diuron, hexazinone, and sulfometuron-methyl in binary and ternary mixtures have less sorption capacity and greater desorption when compared to these isolated herbicides. Dissipation of diuron alone is slower, with a half-life (t1/2) = 101 days compared to mixtures (t1/2 between 44 and 66 days). For hexazinone and sulfometuron-methyl, the dissipation rate is lower in mixtures (t1/2 over 26 and 16 days), with a more pronounced effect in mixtures with the presence of diuron (t1/2 = 47 and 56 and 17 and 22 days). The binary and ternary mixtures of diuron, hexazinone, and sulfometuron-methyl promoted more significant transport in depth (with the three herbicides quantified to depth P4, P7, and P7, respectively) compared to the application of these isolated herbicides (quantified to depth P2, P4, and P5). Considering the herbicides' desorption and solubility, the new index proposed to estimate the leaching potential allowed a more rigorous assessment concerning the risk of leaching these pesticides, with hexazinone and sulfometuron-methyl presenting a higher risk of contamination of groundwater.
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Affiliation(s)
- Tatiane Severo Silva
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil.
| | - Rita de Cássia Araújo de Medeiros
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Daniel Valadão Silva
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Matheus de Freitas Souza
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Paulo Sergio Fernandes das Chagas
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Hamurábi Anizio Lins
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Cydianne Cavalcante da Silva
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Carolina Malala Martins Souza
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
| | - Vander Mendonça
- Plant Science Center, Department of Agronomic and Forestry Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Av. Francisco Mota, 572, Costa e Silva, Mailbox: 137, Mossoró, Rio Grande do Norte, CEP 59625-900, Brazil
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Du J, Hou F, Zhou Q. Response of soil enzyme activity and soil bacterial community to PCB dissipation across different soils. CHEMOSPHERE 2021; 283:131229. [PMID: 34146884 DOI: 10.1016/j.chemosphere.2021.131229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 06/12/2023]
Abstract
Soils are a repository for polychlorinated biphenyls (PCBs). A pot incubation experiment was performed with four soils (black soil, paddy soil, oasis soil, and fluvo-aquic soil) treated with Aroclor 1242 to achieve PCB concentrations of 5 mg kg-1. The soil enzyme activities of protease, phosphatase, catalase, dehydrogenase, and laccase were determined by spectrophotometry. The soil bacterial communities were investigated using Illumina sequencing analysis. The results showed that the characteristics of the test soils varied among the soil types. The fluvo-aquic soil had the greatest PCB dissipation rate (86.41%), followed by the oasis (79.31%), paddy (56.09%), and black (50.65%) soils. The soil pH, cation exchange capacity, soil organic matter content, and particle diameter played significant roles in PCB dissipation from soils. The soil type had a greater influence than PCB contamination on the soil enzyme activities and bacterial communities (alpha diversity, community structure, and composition). Among the four soils, the bacterial communities of the fluvo-aquic soil were the most susceptible to PCB contamination. However, the bacterial communities of the black soil were not changed by PCB contamination.
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Affiliation(s)
- Junjie Du
- College of Life Science, Shanxi Normal University, Linfen, 041004, China
| | - Fen Hou
- School of Public Administration, Shanxi University of Finance and Economics, Taiyuan, 030000, China
| | - Qixing Zhou
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China.
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Li J, Zhang W, Lin Z, Huang Y, Bhatt P, Chen S. Emerging Strategies for the Bioremediation of the Phenylurea Herbicide Diuron. Front Microbiol 2021; 12:686509. [PMID: 34475856 PMCID: PMC8406775 DOI: 10.3389/fmicb.2021.686509] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/16/2021] [Indexed: 02/04/2023] Open
Abstract
Diuron (DUR) is a phenylurea herbicide widely used for the effective control of most annual and perennial weeds in farming areas. The extensive use of DUR has led to its widespread presence in soil, sediment, and aquatic environments, which poses a threat to non-target crops, animals, humans, and ecosystems. Therefore, the removal of DUR from contaminated environments has been a hot topic for researchers in recent decades. Bioremediation seldom leaves harmful intermediate metabolites and is emerging as the most effective and eco-friendly strategy for removing DUR from the environment. Microorganisms, such as bacteria, fungi, and actinomycetes, can use DUR as their sole source of carbon. Some of them have been isolated, including organisms from the bacterial genera Arthrobacter, Bacillus, Vagococcus, Burkholderia, Micrococcus, Stenotrophomonas, and Pseudomonas and fungal genera Aspergillus, Pycnoporus, Pluteus, Trametes, Neurospora, Cunninghamella, and Mortierella. A number of studies have investigated the toxicity and fate of DUR, its degradation pathways and metabolites, and DUR-degrading hydrolases and related genes. However, few reviews have focused on the microbial degradation and biochemical mechanisms of DUR. The common microbial degradation pathway for DUR is via transformation to 3,4-dichloroaniline, which is then metabolized through two different metabolic pathways: dehalogenation and hydroxylation, the products of which are further degraded via cooperative metabolism. Microbial degradation hydrolases, including PuhA, PuhB, LibA, HylA, Phh, Mhh, and LahB, provide new knowledge about the underlying pathways governing DUR metabolism. The present review summarizes the state-of-the-art knowledge regarding (1) the environmental occurrence and toxicity of DUR, (2) newly isolated and identified DUR-degrading microbes and their enzymes/genes, and (3) the bioremediation of DUR in soil and water environments. This review further updates the recent knowledge on bioremediation strategies with a focus on the metabolic pathways and molecular mechanisms involved in the bioremediation of DUR.
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Affiliation(s)
- Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Ziqiu Lin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Pankaj Bhatt
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
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Zhou J, Liang S, Cui Y, Rong Y, Song J, Lv D. Study on environmental behaviour of fluopyram in different banana planting soil. Sci Rep 2021; 11:15346. [PMID: 34321497 PMCID: PMC8319309 DOI: 10.1038/s41598-021-91460-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/25/2021] [Indexed: 11/18/2022] Open
Abstract
Fluopyram is commonly used to control banana leaf spot, anthracnose, and scab in tropical agricultural areas. To explore its behaviour in tropical agricultural environments, dissipation, adsorption, and leaching behaviours of fluopyram in three typical banana planting soils were studied. Also, its dissipation and migration capabilities in different regions and different soil types were evaluated. The results showed that the dissipation of fluopyram was in accordance with the first-order kinetic equation in the three banana soils, but the degradation rates were quite different. The degradation half-lives in the Hainan latosol, Yunnan sandy soil, and Fujian Plain alluvial soil were 46.21 days, 36.48 days and 57.76 days, respectively. Fluopyram also exhibited high adsorption and low leachability in the three soils. The Fujian Plain alluvial soil had the highest adsorption capacity for fluopyram, while fluopyram had the low leachability in the Yunnan sandy soil.
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Affiliation(s)
- Jia Zhou
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China
- College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Wuhan, 430072, China
| | - Shuilian Liang
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China
| | - Yuanyuan Cui
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China
- College of Resources and Environment, Huazhong Agricultural University, No. 1 Shizishan Street, Wuhan, 430072, China
| | - Yu Rong
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China
| | - Jia Song
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China
| | - Daizhu Lv
- Analysis and Testing Center, Chinese Academy of Tropical Agricultural Sciences, No. 4 Xueyuan Road, Haikou, 571101, China.
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16
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Chin-Pampillo JS, Perez-Villanueva M, Masis-Mora M, Mora-Dittel T, Carazo-Rojas E, Alcañiz JM, Chinchilla-Soto C, Domene X. Amendments with pyrolyzed agrowastes change bromacil and diuron's sorption and persistence in a tropical soil without modifying their environmental risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 772:145515. [PMID: 33770876 DOI: 10.1016/j.scitotenv.2021.145515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/14/2021] [Accepted: 01/26/2021] [Indexed: 06/12/2023]
Abstract
Knowledge of pesticides fate in tropical soils and how it could be affected by pyrolyzed biomass as amendment is limited. Combining conventional and radiotracer methods, as well as risk assessment tools, the effects of several charred agrowastes on the sorption, persistence, and ecological risk of the herbicides bromacil (BMC) and diuron (DRN) were evaluated in a tropical agricultural soil under laboratory conditions. Pineapple stubble (PS), palm oil fiber (PF), and coffee hull (CH) were charred at 300 (torrefied) and 600 °C (biochar) and applied to the soil at 10 and 20 t ha-1 rates. The sorption coefficients (Koc) in unamended soil for BMC and DRN were 18.4 and 212.1 L kg-1, respectively. The addition of torrefied PS and PF caused a 3 to 4-fold increment in BMC sorption and a 3 to 6-fold change in DRN's sorption. The only biochar that affected the sorption was PS that increased DRN's sorption 3.5 times. The application of coffee hull materials had no significant effect. In terms of degradation (half-life, DT50), for unamended soil BMC's degradation (300 days) was limited compared to DRN (73 days). Alternatively, biodegradation (mineralization half-life time, MT50) was 1278 d for BMC and 538 for DRN. While only PF and CH torrefied increased BMC's persistence, all the torrefied affected DRN's persistence. However, despite the observed effects, the predicted ecological risk was not mitigated. Our results highlight the need for scientific evidence on the use of pyrolyzed organic amendments to assess potential benefits and prevent unintended impacts in tropical agroecosystems.
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Affiliation(s)
- Juan S Chin-Pampillo
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica; CREAF, E08193, Bellaterra, (Cerdanyola del Vallès), Catalonia, Spain; Universitat Autònoma de Barcelona, E08193 Bellaterra (Cerdanyola del Vallès), Catalonia, Spain.
| | - Marta Perez-Villanueva
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica
| | - Mario Masis-Mora
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica
| | - Teresita Mora-Dittel
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica
| | - Elizabeth Carazo-Rojas
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica
| | - Josep M Alcañiz
- CREAF, E08193, Bellaterra, (Cerdanyola del Vallès), Catalonia, Spain; Universitat Autònoma de Barcelona, E08193 Bellaterra (Cerdanyola del Vallès), Catalonia, Spain
| | - Cristina Chinchilla-Soto
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, Costa Rica
| | - Xavier Domene
- CREAF, E08193, Bellaterra, (Cerdanyola del Vallès), Catalonia, Spain; Serra Húnter Fellow, Universitat Autònoma de Barcelona, E08193 Bellaterra (Cerdanyola del Vallès), Catalonia, Spain
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17
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Mendes KF, Wei MCF, Furtado IF, Takeshita V, Pissolito JP, Molin JP, Tornisielo VL. Spatial distribution of sorption and desorption process of 14C-radiolabelled hexazinone and tebuthiuron in tropical soil. CHEMOSPHERE 2021; 264:128494. [PMID: 33022507 DOI: 10.1016/j.chemosphere.2020.128494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 06/11/2023]
Abstract
The understanding of the interaction between soil physicochemical attributes and herbicide behavior is fundamental for optimizing the efficient use of PRE-emergence herbicides in a more sustainable approach. However, it is still a poorly studied area within precision agriculture. Thus, the objective of this research was to evaluate the correlation of soil physicochemical attributes with the sorption and desorption processes of hexazinone and tebuthiuron to support application maps considering the field level variability. Soil samples from an agricultural area had their physicochemical attributes analyzed and were submitted to sorption and desorption studies of 14C-tebuthiuron and 14C-hexazinone using the batch equilibrium method. The values of sorption and desorption apparent coefficients (Kd), sorption and desorption percentage and bioavailability were correlated with soil attributes by Pearson's correlation. The Kd values of tebuthiuron and hexazinone sorption ranged from 1.2 to 2.9 mL g-1 and 0.4-0.6 mL g-1, respectively. For desorption of tebuthiuron and hexazinone, Kd values ranged from 3.4 to 4.4 mL g-1 and 2.6-3.0 mL g-1, respectively. A positive correlation among clay content, soil organic matter (OM), and tebuthiuron and hexazinone sorption Kd values were found. Both herbicides had variable retention according to geographic position in the area. The recommendation of application of PRE herbicides, such as tebuthiuron and hexazinone, observing the physicochemical attributes of the soil is an alternative to increase efficiency in weed control and decrease the risk of environmental contamination.
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Fadel Sartori F, Floriano Pimpinato R, Tornisielo VL, Dieminger Engroff T, de Souza Jaccoud-Filho D, Menten JO, Dorrance AE, Dourado-Neto D. Soybean seed treatment: how do fungicides translocate in plants? PEST MANAGEMENT SCIENCE 2020; 76:2355-2359. [PMID: 32003142 DOI: 10.1002/ps.5771] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 01/20/2020] [Accepted: 01/30/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Soybean seed treatment with fungicides is a well-established disease management strategy. However, the movement of these fungicides within seedlings is not always well characterized. Thus, the objectives of this study were to determine the pattern of translocation of three fungicides with different modes of action applied as a seed treatment, and the effect of soil type on translocation. RESULTS Most of the absorbed radioactivity was concentrated in the cotyledons and the maximum sum of the rates of absorption by roots, stems, and leaves of the plants was 15%. In most cases, absorption by roots, stems, and leaves were lower than 5% for 14 C-pyraclostrobin and 14 C-metalaxyl, and 1.6% for 14 C-carbendazim. Fungicides absorbed by the roots and the whole seedlings were higher when plants were grown in soil with lower organic matter content. Fungicides in the cotyledons are unlikely to be redistributed and are lost when cotyledons fall off the plants. CONCLUSION Cotyledons are the part of the plant where fungicides are most absorbed, regardless of the fungicide. Soil type affects the absorption of fungicides, and in this study it was most likely caused by soil organic matter. These data improve knowledge of the movement of seed treatment fungicides in soybean seedlings and may help the development of seed treatment chemistry to manage seed and soilborne pathogens.
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Affiliation(s)
- Felipe Fadel Sartori
- Department of Crop Sciences, Group of Applied Plant Physiology and Crop Production, Esalq/USP, São Paulo, Brazil
- Departament of Plant Health, Group of Applied Plant Pathology, UEPG, São Paulo, Brazil
- Department of Plant Pathology and Center for Soybean Research, The Ohio State University, Wooster, Ohio, USA
| | | | | | - Thaise Dieminger Engroff
- Department of Crop Sciences, Group of Applied Plant Physiology and Crop Production, Esalq/USP, São Paulo, Brazil
| | | | - José O Menten
- Departament of Plant Pathology, Esalq/USP, São Paulo, Brazil
| | - Anne E Dorrance
- Department of Plant Pathology and Center for Soybean Research, The Ohio State University, Wooster, Ohio, USA
| | - Durval Dourado-Neto
- Department of Crop Sciences, Group of Applied Plant Physiology and Crop Production, Esalq/USP, São Paulo, Brazil
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Silva TS, de Freitas Souza M, Maria da Silva Teófilo T, Silva Dos Santos M, Formiga Porto MA, Martins Souza CM, Barbosa Dos Santos J, Silva DV. Use of neural networks to estimate the sorption and desorption coefficients of herbicides: A case study of diuron, hexazinone, and sulfometuron-methyl in Brazil. CHEMOSPHERE 2019; 236:124333. [PMID: 31319303 DOI: 10.1016/j.chemosphere.2019.07.064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/06/2019] [Accepted: 07/08/2019] [Indexed: 06/10/2023]
Abstract
The use of herbicides in Brazil has been carried out based on the manufacturer's recommendation, often disregarding the high variability of soil attributes. The use of statistical methods to predict the herbicide retention processes in the soil can contribute to the improvement of weed control efficiency associated with the lower risk of environmental contamination. This research evaluated the use of Artificial Neural Networks (ANNs) to predict soil sorption and desorption, as well as the environmental contamination potential of diuron, hexazinone and sulfometuron-methyl herbicides in Brazilian soils. The sorption and desorption coefficients of the three herbicides were determined in laboratory tests for 15 soils from different Brazilian states. To predict the sorption and desorption of diuron, hexazinone and sulfometuron-methyl were used a multilayer perceptron ANNs (MLP). The inputs were the characteristics of the herbicides and the physical and chemical attributes of the soils, and the outputs of were the sorption and desorption coefficients (Kfs and Kfd). The risk of leaching of diuron, hexazinone, and sulfometuron-methyl herbicides were evaluated considering the sorption values observed and those estimated by the models. The Artificial Neural Network (ANN) models were efficient for the prediction of sorption and desorption of diuron, hexazinone, and sulfometuron-methyl herbicides. The physicochemical properties of the herbicides were more important for the modeling of multilayer perceptron ANNs than the soil attributes. The herbicides diuron, hexazinone, and sulfometuron-methyl have a high potential risk for contamination of groundwater in different Brazilian states.
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Affiliation(s)
- Tatiane Severo Silva
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil.
| | - Matheus de Freitas Souza
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
| | - Taliane Maria da Silva Teófilo
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
| | - Matheus Silva Dos Santos
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
| | - Maria Alice Formiga Porto
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
| | - Carolina Malala Martins Souza
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
| | | | - Daniel Valadão Silva
- Universidade Federal Rural do Semi-Árido, Centro de Ciências Vegetais, Departamento de Ciências Agronômicas e Florestais, Av. Francisco Mota, 572, CEP 59625-900, Mossoró, RN, Brazil
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Cheng J, Wan Q, Ge J, Feng F, Yu X. Major factors dominating the fate of dibutyl phthalate in agricultural soils. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 183:109569. [PMID: 31454751 DOI: 10.1016/j.ecoenv.2019.109569] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/10/2019] [Accepted: 08/12/2019] [Indexed: 06/10/2023]
Abstract
Dibutyl phthalate (DBP) is a ubiquitous soil contaminant. We have investigated the sorption, degradation and residue of DBP in 20 types of agricultural soils and aimed to identify the major soil properties that dominate the fate of DBP. Sorption isotherms of DBP in all soils were fitted well with the Freundlich model. The sorption coefficient (Kf) varied between 3.99 and 36.1 mg1-1/nL1/n/kg. Path analysis indicated that 59.9% of variation in Kf could be explained by the combination of pH, organic carbon (OC) and clay content. Degradation of DBP in the 20 soils was well described by the first-order kinetic model, with half-lives (t1/2) ranging from 0.430 to 4.99 d. The residual DBP concentration after 60 d of incubation (R60) ranged from 0.756 to 2.15 mg/kg and the residual rates ranged from 3.97% to 9.63%. The Kf value was significantly positively correlated with t1/2 and R60. Moreover, soil pH, microbial biomass carbon (Cmic) and OC were identified as dominating factors that explained 84.4% of variation in t1/2. The R60 data indicated 72.2% of its variability attributable to the combination of OC and Cmic. The orders of the relative importance of dominating factors on the Kf, t1/2 and R60 were OC > pH > clay, Cmic > pH > OC and OC > Cmic, respectively. This work contributes to better understand the fate of DBP in soils and make scientific decisions about accelerating its dissipation in different soils.
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Affiliation(s)
- Jinjin Cheng
- Jiangsu Key Laboratory for Food Quality and Safety - State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Qun Wan
- Jiangsu Key Laboratory for Food Quality and Safety - State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Jing Ge
- Jiangsu Key Laboratory for Food Quality and Safety - State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Fayun Feng
- Jiangsu Key Laboratory for Food Quality and Safety - State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Xiangyang Yu
- Jiangsu Key Laboratory for Food Quality and Safety - State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China.
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Chang CC, Kuo-Dahab C, Chapman T, Mei Y. Anaerobic digestion, mixing, environmental fate, and transport. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2019; 91:1210-1222. [PMID: 31433526 DOI: 10.1002/wer.1216] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 07/12/2019] [Accepted: 08/16/2019] [Indexed: 06/10/2023]
Abstract
This section covers research published during the calendar year 2018 on mixing and transport processes. The review covers mixing of anaerobic digesters, mixing of heat transfer, and environmental fate and transport.
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Affiliation(s)
- Chein-Chi Chang
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, China
- Department of Engineering and Technical Services, DC Water and Sewer Authority, Washington, District of Columbia
| | - Camilla Kuo-Dahab
- Brown and Caldwell, Andover, Massachusetts
- Department of Civil and Environmental Engineering, University of Massachusetts-Amherst, Amherst, Massachusetts
| | | | - Ying Mei
- Department of Environmental Science and Engineering, School of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, China
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