Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 304339
Title Behaviour of pesticides in topsoil and subsoil in relation to possible contamination of groundwater
Author(s) Boesten, J.J.T.I.; Pas, L.J.T. van der; Smelt, J.H.; Leistra, M.
Source In: Soil structure and transport processes; implications for water, gases, nutrients, pesticides, and contaminants in soils / Raats, P.A.C., Rogaar, H., van den Heuvel-Pieper, A.H., - p. 83 - 93.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Chapter in scientific book
Publication year 1996
Abstract The PESTLA model is among the most sophisticated models that are now used for assessing pesticide leaching in a registration procedure. The calculated percentage leached is almost pathologically sensitive to a few sorption and tranformation parametersat leaching levels relevant in the registration. A theory was developed to calculate the influence of spatial variability in sorption and transformation parameters with simple analytical expressions. The model tended to overestimate the rate of transportof sorbing pesticides in a field study. Studies on the transformation rate of a few pesticides in water-saturated subsoil materials indicate that such rates may be significant to assessing leaching to deep groundwater.
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