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.

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Record number 306512
Title Pesticide behaviour in pumice and rockwool growth media; adsorption and transformation of metalaxyl, oxamyl and carbendazim
Author(s) Matser, A.M.; Leistra, M.
Source Wageningen : SC-DLO (Report 137.1) - 59 p.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Research report
Publication year 1997
Abstract Interactions of pesticides with substrates were studied. The adsorption of metalaxyl, oxamyl and carbendazim on unused pumice and rock-wool is much weaker than that on soils. The transformation rate of the pesticides in nutrient solution in contact with unused substrates is low. Metalaxyl is susceptible to microbial transformation in substrates containing plant roots, whereas oxamyl is susceptible to hydrolysis at somewhat higher pH values. Because of the low adsorption and often slow transformation,there is a risk of high residues in the crop and of substantial discharge with water to the environment.
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