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Effect of age and cutting frequency on below-ground biomass in grass-clover

Vinther, F.P. (2004) Effect of age and cutting frequency on below-ground biomass in grass-clover. In: Abstracts of the Workshop on Adaption and Management of Forage Legumes - Strategies for improved Reliability in Mixed Swards, pp. 23-24. [Unpublished]

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Significant amounts of plant biomass and fixed N are incorporated into soil as roots, nodules and root exudates during the growth of grass-clover, which consequently is exposed to soil microbial degradation when the field is ploughed. This has major implications for our understanding of the potential contributions of legumes in the N economics and losses in grass-clover cropping systems.
We have studied the effects of grass-clover pasture age and cutting frequency (simulated grazing) on the development of the above ground as well as the below ground plant biomass, with emphasis on below-harvest contribution to the total N2 fixation.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Speech
Keywords:nitrogen fixation, methodology, pasture, grass-clover
Subjects: Soil > Nutrient turnover
Crop husbandry > Production systems > Pasture and forage crops
Research affiliation: Denmark > DARCOF II (2000-2005) > I.13 (DINOG) Dinitrogen fixation and nitrous oxide losses in grass-clover pastures
Deposited By: Vinther, Senior scientist Finn P.
ID Code:3368
Deposited On:30 Sep 2004
Last Modified:12 Apr 2010 07:29
Document Language:English
Refereed:Not peer-reviewed

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