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 411574
Title Effect of grass-clover on the ecosystem services soil structure maintenance and water regulation
Author(s) Eekeren, N.J.M. van; Bokhorst, J.G.; Brussaard, L.; Koopmans, C.J.
Source In: Proceedings of the third scientific conference of the International Society of Organic Agriculture Research (ISOFAR), 28 Sept - 1 Oct 2011. - - p. 44 - 47.
Event Organic is life - knowledge for tomorrow. Proceedings of the third scientific conference of the International Society of Organic Agriculture Research (ISOFAR) 28 September - 1 October, 2011-09-28/2011-10-01
Department(s) Chair Soil Biology and Biological Soil Quality
PE&RC
Publication type Contribution in proceedings
Publication year 2011
Keyword(s) grasklaver - melkveehouderij - biologische landbouw - trifolium repens - aardwormen - bodemstructuur - bodemwaterretentie - wortels - grass-clover swards - dairy farming - organic farming - earthworms - soil structure - soil water retention - roots
Categories Grass Clover Pastures
Abstract White clover has a lower root biomass and a higher abundance of earthworms than grass. This might have an impact on the ecosystem services soil structure maintenance and water regulation when white clover is introduced in the grassland on organic dairy farms. We investigated the root biomass, the abundance of earthworms and a selection of soil physical parameters in white clover, grass-clover, and grass with and without N fertilizer. The treatment with clover-only had a lower root biomass, a lower C/N-ratio of the roots, a higher abundance of earthworms, a higher number of earthworm burrows, a lower penetration resistance at the 20-30 cm soil layer and a lower proportion of crumbs in the soil, than the other treatments. This confirms the literature that pure clover stimulates the ecosystem services of water regulation, but is less conducive to soil structure maintenance. However, the grass-clover mixture did not differ significantly from the grass treatments, but differed from pure clover in a higher percentage of soil crumbs. We infer that, when clover is introduced in grassland on organic dairy farms to fix atmospheric N2, the mixture of grass and clover maintains the positive impact of grass roots on soil structure but only may show a positive effect of clover-only on water regulation with a higher clover percentage in the dry matter.
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