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 302223
Title Rapid nutrient leaching to groundwater and surface water in clay soil areas
Author(s) Bronswijk, J.J.B.; Hamminga, W.; Oostindie, K.
Source In: Modelling the fate of agrochemicals and fertilizers in the environment / Giupponi, C., Marani, A., Morari, F., - p. 235 - 249.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Chapter in scientific book
Publication year 1995
Abstract The mechanism and magnitude of nitrate leaching from grassland on a heavy clay soil were investigated by measuring nitrogen input, and nitrate concentrations in groundwater and drain discharge for two years. A bromide tracer was applied to study solute transport mechanisms. Nitrate transport in the heavy clay soil mainly occurred via preferential flow through mesopores and macropores, resulting in low mobile-water volumes and high nitrate-leaching rates. Nitrate concentrations in the drain discharge were high. The present generation of computer simulation models for nitrogen transport and behaviour in soils cannot adequately predict nitrate leaching in heavy clay soils.
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