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- aggregation classification "A1".
- aggregation creator B355866.
- aggregation creator B355867.
- aggregation creator person.
- aggregation creator person.
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- aggregation creator person.
- aggregation creator person.
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- aggregation date "2008".
- aggregation format "application/pdf".
- aggregation hasFormat 535823.bibtex.
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- aggregation isPartOf urn:issn:0277-5212.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Modeling soil moisture effects on net nitrogen mineralization in loamy wetland soils".
- aggregation abstract "Nutrient dynamics in wetland ecosystems are largely controlled by soil moisture content. Therefore, the influence of soil moisture content on N mineralization should be explicitly taken into account in hydro-ecological models. The aim of this research was to establish relationships between N mineralization and soil moisture content in loamy to silty textured soils of floodplain wetlands in central Belgium. Large undisturbed soil cores were taken, incubated for 3 months under various moisture contents, and zero order and first order N mineralization rates were calculated. We used the percentage water-filled pore space (WFPS) as an expression of soil moisture because it is a better index for aeration dependent biological processes than volumetric moisture content or water retention. The relationship between the N mineralization rate and %WFPS was described by a Gaussian model. The optimum WFPS for N mineralization ranged between 57% and 78%, with a mean of 65% +/- 6% WFPS. Expected annual net N mineralization rates at field temperature (9.7 degrees C) and at optimal moisture content varied between 30 and 186 kg N ha(-1) (0-15 cm depth) year(-1), with a mean of 110 +/- 42 kg N ha(-1) (0-15 cm) year(-1). The mean N turnover rate amounted to 2.3 +/- 1.1 g N 100 g(-1) N year(-1). Multiple linear regressions between N mineralization and general soil parameters showed that soil structure has an overriding impact on N mineralization in wetland ecosystems.".
- aggregation authorList BK656210.
- aggregation endPage "734".
- aggregation issue "3".
- aggregation startPage "724".
- aggregation volume "28".
- aggregation aggregates 1861160.
- aggregation isDescribedBy 535823.
- aggregation similarTo 07-105.1.
- aggregation similarTo LU-535823.