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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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Meftaul IM, Venkateswarlu K, Annamalai P, Parven A, Sobhani Z, Megharaj M. Behavior and fate of fungicide chlorothalonil in urban landscape soils and associated environmental concern. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2021; 56:1066-1077. [PMID: 34913835 DOI: 10.1080/03601234.2021.2014255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This novel study investigated the behavior and fate of chlorothalonil in terms of kinetics, sorption‒desorption and leaching potential in urban landscape soils using batch experiments. The pseudo-second-order model well described the sorption kinetics of chlorothalonil in urban soils. Consequently, chlorothalonil was partitioned into heterogeneous surfaces of soil following the Freundlich isotherm model. According to PCA, soil organic matter (OM), silt, clay, and oxides of Al and Fe exhibited a significant positive correlation (P < 0.05) with chlorothalonil Kd (P < 0.05), while sand content and soil pH showed a negative correlation at P < 0.05. In soils, decreased sorption of chlorothalonil was also due to the presence of undecomposed or partly decomposed OM, whereas increased sorption could be attributed to the combined effect of OM with C = O and C-H groups, silt, clay, Al and Fe oxides and hydrophobicity of the fungicide. Also, HI, GUS, LIX and Kd of four among nine urban soils indicated that chlorothalonil has a great potential for leaching into the groundwater from the soil surface, posing an unintended threat to non-target biota and food safety. Therefore, utmost care must be taken while applying chlorothalonil in urban landscapes, particularly on impervious surfaces, to minimize the impact on the ecosystem.
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Affiliation(s)
- Islam Md Meftaul
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, Australia
- Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Kadiyala Venkateswarlu
- Formerly Department of Microbiology, Sri Krishnadevaraya University, Anantapuramu, India
| | - Prasath Annamalai
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, Australia
| | - Aney Parven
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, Australia
- Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Zahra Sobhani
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, Australia
| | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, Australia
- Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW
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Liu B, Qin Y, Cao M, Shi H, Li S, Sheng W, Wang S. A stable and sensitive enzyme-linked immunosorbent assay (ELISA) for the determination of metsulfuron-methyl residues in foods. J Food Sci 2021; 86:3176-3187. [PMID: 34176121 DOI: 10.1111/1750-3841.15683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 09/06/2020] [Accepted: 02/14/2021] [Indexed: 11/26/2022]
Abstract
A hapten of metsulfuron-methyl was successfully designed and synthesized from 2-methylester-phenylsulfonamide and succinic anhydride, and the polyclonal antibody against metsulfuron-methyl was prepared by immunization procedure with the hapten-bovine serum albumin conjugate. A stable and sensitive direct competitive enzyme-linked immunosorbent assay (dcELISA) method had been developed under the optimal conditions. The sensitivity (IC50 ) was 37.03 ± 1.87 µg/L, and the detection line (IC15 ) was 1.57 ± 0.11 µg/L. Rice, wheat, oat, flaxseed, milk, and water were chosen to study the recovery test and the recovery rates were 83.11%-117.44% . The matrix effect was eliminated by a simple dilution of the sample extracts. The results from dcELISA were well agreement with the results from HPLC-MS. It was indicated that the developed method had good accuracy and stability. It could be applied for the detection of metsulfuron-methyl residues. It was worth mentioning that the antibody could recognize metsulfuron-methyl and tribenuron-methyl with cross-reactivities of 100% and 49.72%, respectively. In order to understand the cross-reactivity, molecular modeling including molecular alignment and electrostatic potential surfaces were introduced. It was found that the special group of metsulfuron-methyl played an important role, especially on C3 position of the phenyl group. PRACTICAL APPLICATION: A stable, sensitive, and low-cost dc ELISA method had been developed with good accuracy and applied in the determination of metsulfuron-methyl in foods. Molecular simulation was introduced to understand the specificity between the antibody and the analyst. It was a good method to study the cross-reactivity between the antibody and the analyst or analogue.
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Affiliation(s)
- Bing Liu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China.,Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, Tianjin, China
| | - Yue Qin
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Meirong Cao
- Hebei Food Inspection and Research Institute, Hebei Food Safety Key Laboratory, Shijiazhuang, China
| | - Haipeng Shi
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Shijie Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China
| | - Wei Sheng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin, China.,Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, Tianjin, China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin, China
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Maznah Z, Ismail BS, Eng OK. Residue and Dissipation Kinetics of Metsulfuron-Methyl Herbicide in Soil: A Field Assessment at an Oil Palm Plantation. Biomolecules 2020; 10:biom10071067. [PMID: 32708824 PMCID: PMC7408506 DOI: 10.3390/biom10071067] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 11/16/2022] Open
Abstract
A field trial experiment was conducted to investigate the degradation of metsulfuron-methyl at two application dosages, 15 g a.i/ha and 30 g a.i/ha, at an oil palm plantation. Soil samples were collected at ‒1, 0, 1, 3, 7, 14, and 21 days after treatment (DAT) at the following depths: 0-10, 10-20, 20-30, 30-40, and 40-50 cm. The results showed rapid degradation of metsulfuron-methyl in the soil, with calculated half-life (t½) values ranging from 6.3 and 7.9 days. The rates of degradation of metsulfuron-methyl followed first-order reaction kinetics (R2 = 0.91-0.92). At the spray dosage of 15 g a.i/ha, metsulfuron-methyl residue was detected at up to 20-30 cm soil depth, at 3.56% to 1.78% at 3 and 7 DAT, respectively. Doubling the dosage to 30 g a.i/ha increased the metsulfuron-methyl residue in up to 30-40 cm soil depth at 3, 7, and 14 DAT, with concentrations ranging from 1.90% to 1.74%. These findings suggest that metsulfuron-methyl has a low impact on the accumulation of the residues in the soil at application dosages of 15 g a.i/ha and 30 g a.i/ha, due to rapid degradation, and the half-life was found to be 6.3 to 7.9 days.
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Affiliation(s)
- Zainol Maznah
- Malaysian Palm Oil Board, 6, Persiaran Institusi, Bandar Baru Bangi, Kajang 43000, Selangor, Malaysia
- Correspondence: ; Tel.: +603-8769-4464
| | - B. Sahid Ismail
- School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia; (B.S.I.); (O.K.E.)
| | - Oii Kok Eng
- School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia; (B.S.I.); (O.K.E.)
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Kumar A, Singh N. Effect of crop residue ashes on sorption behavior of herbicides used in the succeeding crop in Indian soils. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2020; 55:630-645. [PMID: 32338140 DOI: 10.1080/03601234.2020.1757980] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Effect of the wheat straw ash (WSA) on pretilachlor and the rice straw ash (RSA) on sulfosulfuron kinetics and adsorption behavior was studied. Kinetics study suggested that adsorption of herbicides in soil/soil + 0.2% ash mixture was best explained by the pseudo second order model. Ashes at 0.1%-0.5% levels increased adsorption of respective herbicide; but, effect varied with ash content and soil type. Effect of ash (0.2%) on herbicide's adsorption was more in the sandy loam soil (144%-188%) than in the clay loam soil (112%-122%) suggesting masking of ash particles. The Freundlich adsorption isotherm explained the adsorption of herbicides in the soils/soil + ash mixtures and sorption was highly nonlinear as 1/n (slope) values varied between 0.57 and 1.25 for pretilachlor and 0.32 and 0.77 for sulfosulfuron. Adsorption increased with increase in temperature. High surface area unburnt carbon in ashes was responsible for increase in adsorption and decrease in desorption of herbicides in ash mixed soils. The pH of soil/soil + ash mixtures affected herbicide adsorption, but effect was significant for pretilachlor. The negative free energy change (ΔG) values suggested that the sorption process was exothermic and spontaneous in nature. This study has implications in identifying the role of crop residue burning on fate of herbicides applied in succeeding crop.
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Affiliation(s)
- Anup Kumar
- Division of Agricultural Chemical, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Neera Singh
- Division of Agricultural Chemical, ICAR-Indian Agricultural Research Institute, New Delhi, India
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Khandelwal A, Narayanan N, Varghese E, Gupta S. Linear and Nonlinear Isotherm Models and Error Analysis for the Sorption of Kresoxim-Methyl in Agricultural Soils of India. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 104:503-510. [PMID: 32064538 DOI: 10.1007/s00128-020-02803-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 02/07/2020] [Indexed: 06/10/2023]
Abstract
Kresoxim methyl sorption in soils of five agro-climatic zones of India varied from 41.6% to 84.7%. Highest sorption was recorded in organic carbon rich Almora soil. Isotherm parameters for linear and non-linear Freundlich and Temkin models were almost same, whereas Langmuir parameter Q0, for linear (1.60 to 9.434 μg g-1) and non-linear (8.48 to 17.129 μg g-1) models were quite different. For isotherms optimization different error functions such as sum of squares error (SSE), root mean square error (RMSE), Chi square error, hybrid fractional error (HYBRID) and average relative error (ARE) were calculated. Lowest error function values were obtained for Freundlich isotherm in all the soils except inceptisol (Kolkata) for which Langmuir isotherm gave the best fit. Statistical analysis using SAS 9.3 software and Tukey's HSD test revealed the significant effect (p < 0.001) of soil type on sorption. Sorption correlated positively with the organic carbon and clay contents of the soil.
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Affiliation(s)
- Ashish Khandelwal
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
- Centre for Environment Science and Climate Resilient Agriculture, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Neethu Narayanan
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Eldho Varghese
- Central Marine Fisheries Research Institute, Kochi, 682 018, India
| | - Suman Gupta
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India.
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Manna S, Singh N, Purakayastha T, Berns AE. Effect of deashing on physico-chemical properties of wheat and rice straw biochars and potential sorption of pyrazosulfuron-ethyl. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.10.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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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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Kumar A, Singh N, Banerjee T, Singh SB. Chemical Degradation of Sulfosulfuron in Aqueous Suspension of Rice and Wheat Straw Ashes. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 103:484-489. [PMID: 31399772 DOI: 10.1007/s00128-019-02686-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 08/03/2019] [Indexed: 06/10/2023]
Abstract
Burning of wheat and rice straw on field, after crop harvest, is a quick, cheap and an easy way for land clearing. The ashes generated after burning are mixed with soils and due to their alkaline nature, they may affect the degradation of applied herbicides. Therefore, present paper reports degradation of sulfosulfuron in aqueous suspension of the wheat (WSA) and rice (RSA) straw ashes. The results suggested that both ashes significantly enhanced sulfosulfuron dissipation in water and effect was more with the RSA. The solution pH affected sulfosulfuron dissipation and in control buffers (no ash) herbicide degradation followed the order: acidic > alkaline > neutral. Addition of the RSA significantly increased sulfosulfuron degradation in buffers, but effect was more evident at neutral and alkaline pH. The study has relevance in assessing degradation of sulfosulfuron in soils where crop residues are burned for land clearing.
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Affiliation(s)
- Anup Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Neera Singh
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India.
| | - Tirthankar Banerjee
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Shashi Bala Singh
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
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Khandelwal A, Gupta S, Gajbhiye VT, Varghese E. Degradation of Kresoxim-Methyl in Water: Impact of Varying pH, Temperature, Light and Atmospheric CO2 Level. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 96:130-136. [PMID: 26261047 DOI: 10.1007/s00128-015-1627-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 07/31/2015] [Indexed: 06/04/2023]
Abstract
In the present investigation, persistence of kresoxim-methyl (a broad spectrum strobilurin fungicide) was studied in water. Results revealed that kresoxim-methyl readily form acid metabolite. Therefore, residues of kresoxim-methyl were quantified on the basis of parent molecule alone and sum total of kresoxim-methyl and its acid metabolite. In water, influence of various abiotic factors like pH, temperature, light and atmospheric carbon dioxide level on dissipation of kresoxim-methyl was studied. The half life value for kresoxim-methyl and total residue varied from 1 to 26.1 and 6.1 to 94.0 days under different conditions. Statistical analysis revealed the significant effect of abiotic factors on the dissipation of kresoxim-methyl from water.
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Affiliation(s)
- Ashish Khandelwal
- Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi, 110012, India.
- Soil Science and Agricultural Chemistry, Bihar Agricultural University, Sabour, 813210, India.
| | - Suman Gupta
- Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi, 110012, India.
| | - Vijay T Gajbhiye
- Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi, 110012, India.
| | - Eldho Varghese
- Indian Agricultural Statistics Research Institute, New Delhi, 110012, India.
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Dutta A, Mandal A, Manna S, Singh SB, Berns AE, Singh N. Effect of organic carbon chemistry on sorption of atrazine and metsulfuron-methyl as determined by (13)C-NMR and IR spectroscopy. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:620. [PMID: 26353968 DOI: 10.1007/s10661-015-4837-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 09/02/2015] [Indexed: 06/05/2023]
Abstract
Soil organic matter (SOM) content is the major soil component affecting pesticide sorption. However, recent studies have highlighted the fact that it is not the total carbon content of the organic matter, but its chemical structure which have a profound effect on the pesticide's sorption. In the present study, sorption of atrazine and metsulfuron-methyl herbicides was studied in four SOM fractions viz. commercial humic acid, commercial lignin, as well as humic acid and humin extracted from a compost. Sorption data was fitted to the Freundlich adsorption equation. In general, the Freundlich slope (1/n) values for both the herbicides were <1. Except for atrazine sorption on commercial humic acid, metsulfuron-methyl was more sorbed. Desorption results suggested that atrazine was more desorbed than metsulfuron-methyl. Lignin, which showed least sorption of both the herbicides, showed minimum desorption. Sorption of atrazine was best positively correlated with the alkyl carbon (adjusted R (2) = 0.748) and carbonyl carbon (adjusted R (2) = 0.498) but, their effect was statistically nonsignificant (P = 0.05). Metsulfuron-methyl sorption showed best positive correlation with carbonyl carbon (adjusted R (2) = 0.960; P = 0.05) content. Sorption of both the herbicides showed negative correlation with O/N-alkyl carbon. Correlation of herbicide's sorption with alkyl and carbonyl carbon content of SOM fractions suggested their contribution towards herbicide sorption. But, sorption of metsulfuron-methyl, relatively more polar than atrazine, was mainly governed by the polar groups in SOM. IR spectra showed that H-bonds and charge-transfer bonds between SOM fraction and herbicides probably operated as mechanisms of adsorption.
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Affiliation(s)
- Anirban Dutta
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Abhishek Mandal
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Suman Manna
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - S B Singh
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Anne E Berns
- Forschungszentrum Juelich GmbH, Institute of Bio- and Geosciences, Agrosphere (IBG-3), 52425, Juelich, Germany
| | - Neera Singh
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India.
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De Gerónimo E, Aparicio VC, Bárbaro S, Portocarrero R, Jaime S, Costa JL. Presence of pesticides in surface water from four sub-basins in Argentina. CHEMOSPHERE 2014; 107:423-431. [PMID: 24548646 DOI: 10.1016/j.chemosphere.2014.01.039] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 11/30/2013] [Accepted: 01/07/2014] [Indexed: 06/03/2023]
Abstract
Argentina has 31 million hectares given over to agriculture comprising 2.2% of the world's total area under cultivation (Stock Exchange of Rosario, Argentina). Despite the intensity of this agricultural activity, data on pesticide pollution in surface water are rather scarce. In this sense, the aim of this work is to determine the presence of pesticides in surface water of four agricultural sub-basins of Argentine. An environmental monitoring was carried out to determine the impact of twenty-nine pesticides used in agricultural activities on the surface water quality of agricultural areas within the San Vicente, Azul, Buenos Aires southeast and Mista stream sub-basins. The samples were analyzed by solid-phase extraction (SPE) using OASIS HLB 60 mg cartridges and ultra-high-pressure liquid chromatography coupled to tandem mass spectrometry (UHPLC/MSMS) that provided good analytical quality parameters. The southeast of Buenos Aires was the site with the highest frequency of pesticides detection, followed by Azul and San Vicente microbasins. The most detected pesticides, considering all surface water samples, were atrazine, tebuconazole and diethyltoluamide with maximum concentration levels of 1.4, 0.035, and 0.701 μg L(-1), respectively. The results obtained for all basins studied show the presence of residual pesticides in surface waters according the different agricultural activities developed.
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Affiliation(s)
- Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Route 226 Km 73,5, 7620 Balcarce, Buenos Aires, Argentina.
| | - Virginia C Aparicio
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Route 226 Km 73,5, 7620 Balcarce, Buenos Aires, Argentina
| | - Sebastián Bárbaro
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Cerro Azul, Misiones, Argentina
| | - Rocío Portocarrero
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Famaillá, Tucumán, Argentina
| | - Sebastián Jaime
- Instituto Nacional de Tecnología Agropecuaria (INTA), Agencia de Extensión Azul, Buenos Aires, Argentina
| | - José L Costa
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Route 226 Km 73,5, 7620 Balcarce, Buenos Aires, Argentina
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Larsbo M, Löfstrand E, de Veer DVA, Ulén B. Pesticide leaching from two Swedish topsoils of contrasting texture amended with biochar. JOURNAL OF CONTAMINANT HYDROLOGY 2013; 147:73-81. [PMID: 23500841 DOI: 10.1016/j.jconhyd.2013.01.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 01/18/2013] [Accepted: 01/27/2013] [Indexed: 06/01/2023]
Abstract
The use of biochar as a soil amendment has recently increased because of its potential for long-term soil carbon sequestration and its potential for improving soil fertility. The objective of this study was to quantify the effects of biochar soil incorporation on pesticide adsorption and leaching for two Swedish topsoils, one clay soil and one loam soil. We used the non-reactive tracer bromide and the pesticides sulfosulfuron, isoproturon, imidacloprid, propyzamid and pyraclostrobin, substances with different mobility in soil. Adsorption was studied in batch experiments and leaching was studied in experiments using soil columns (20 cm high, 20 cm diameter) where 0.01 kg kg(-1) dw biochar powder originating from wheat residues had been mixed into the top 10 cm. After solute application the columns were exposed to simulated rain three times with a weekly interval and concentrations were measured in the effluent water. The biochar treatment resulted in significantly larger adsorption distribution coefficients (Kd) for the moderately mobile pesticides isoproturon and imidacloprid for the clay soil and for imidacloprid only for the loam soil. Relative leaching of the pesticides ranged from 0.0035% of the applied mass for pyraclostrobin (average Kd=360 cm3 g(-1)) to 5.9% for sulfosulfuron (average Kd=5.6 cm3 g(-1)). There were no significant effects of the biochar amendment on pesticide concentrations in column effluents for the loam soil. For the clay soil concentrations were significantly reduced for isoproturon, imidacloprid and propyzamid while they were significantly increased for the non-mobile fungicide pyraclostrobin suggesting that the transport was facilitated by material originating from the biochar amendment.
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Affiliation(s)
- Mats Larsbo
- Department of Soil and Environment, Swedish University of Agricultural Sciences (SLU), P.O. Box 7014, 75007 Uppsala, Sweden.
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