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 302224
Title Rapid nutrient leaching to groundwater and surface water in clay soil areas
Author(s) Bronswijk, J.J.B.; Hamminga, W.; Oostindie, K.
Source European Journal of Agronomy 4 (1995)4. - ISSN 1161-0301 - p. 431 - 439.
Department(s) Winand Staring Centre for Integrated Land, Soil and Water Research
Publication type Refereed Article in a scientific journal
Publication year 1995
Abstract Nitrate leaching from agricultural soils has frequently led to concentrations above the EU drinking-water standard. Most data originate from sandy soils. In this experiment the mechanism and magnitude of nitrate leaching from grassland on a heavy claysoil were investigated. In an experimental field, nitrogen input and nitrate output were measured. A bromide tracer was applied to study solute transport mechanisms. Nitrate transport occurred mainly via preferential flow through mesopores and macroporesresulting in small mobile-water volumes and high nitrate-leaching rates. Nitrate concentrations in the drain discharge were high. Models cannot adequately predict nitrate leaching in heavy clay soils.
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