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 306511
Title Pesticide behaviour in pumice and rockwool growth media; behaviour of metalaxyl and oxamyl in glasshouse cultivation systems
Author(s) Matser, A.M.; Dekker, A.; Leistra, M.
Source Wageningen : SC-DLO (Report 137.2) - 46 p.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Research report
Publication year 1997
Abstract The behaviour of pesticides in substrates is studied to attain adequate low-dosage and low-emission crop protection. The pesticide solution flowed relatively fast through the pumice systems, because less water had to be replaced than in the rock-wool systems. The concentrations in the substrate and in the outflowing solution rose above the concentration supplied because the tomato plant roots took up less pesticide than what corresponds to water uptake. Initially, the transformation rates were low, but they increased as the root systems developed. By pouring the outflowing solution back into the supply tanks, the concentration supplied was maintained high for a long time.
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