Variation of pesticide sorption isotherm in soil at the catchment scale.

  title={Variation of pesticide sorption isotherm in soil at the catchment scale.},
  author={Yves Coquet},
  journal={Pest management science},
  volume={59 1},
The variation of the sorption isotherm of pesticides has seldom been explored at the catchment scale. Such a study was conducted at the scale of a 187-ha agricultural catchment for three herbicides: atrazine, isoproturon and metamitron. Partition coefficient (Kd) values were measured in batch experiments on 51 topsoil samples, and showed moderate variability at the catchment scale (coefficient of variation CV approximately 30%). Values of Kd ranged from 0.47 to 1.70 litre kg(-1) for atrazine, 0… CONTINUE READING

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