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Environmental Behavior of Profenofos Under Paddy Field Conditions

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Abstract

The environmental behavior of 40% profenofos EC under paddy field conditions was studied. After application of 40% profenofos EC at 900 g a.i./ha level, the initial deposits of profenofos on rice plant, soil and water were found to be 32.700, 0.224 and 3.854 mg/kg respectively. Half-lives (t1/2) of profenofos on those substrates were observed to be 5.47, 3.75 and 3.42 days respectively. The residue levels of profenofos on rice straw, soil and rice grain were significantly affected by the dosage and frequency applied. The obtained results might help to recommend the suitable dose and calculate the safety period of profenofos application.

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Acknowledgments

The authors wish to thank Dr Wang D. L. for her support in field trials and Dr Shen Y. for her help in LC–MS/MS analysis.

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Authors and Affiliations

  1. Department of Food Science and Engineering, Northwest A&F University, 712100, Yangling, Shaanxi, People’s Republic of China

    Jiang He & Mingtao Fan

  2. Key Laboratory of Food Quality and Safety of Jiangsu Province, Key Laboratory of Food Safety Monitoring and Management, Ministry of Agriculture, 210014, Nanjing, Jiangsu, People’s Republic of China

    Jiang He & Xianjin Liu

Authors
  1. Jiang He
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  2. Mingtao Fan
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  3. Xianjin Liu
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Correspondence to Xianjin Liu.

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He, J., Fan, M. & Liu, X. Environmental Behavior of Profenofos Under Paddy Field Conditions. Bull Environ Contam Toxicol 84, 771–774 (2010). https://doi.org/10.1007/s00128-010-0023-z

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  • DOI: https://doi.org/10.1007/s00128-010-0023-z

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