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Plant biomass nitrogen and effects on the risk of nitrate leaching of intercrops under organic farming in Eastern Austria Organic Eprints
Farthofer, R.; Friedel, J. K.; Pietsch, G.; Rinnhofer, T.; Loiskandl, W.; Freyer, B..
Data on the potential of intercrops to reduce soil nitrate contents, on their N accumulation and biological nitrogen fixation (BNF) are lacking for organic farming in the dry, pannonic region of Eastern Austria. The effect of legumes, non-legumes, and legumes + non-legumes used as intercrops on inorganic soil nitrogen, crop yield and biomass N, and BNF were tested in comparison to bare fallow. Non-legumes and legumes + non-legumes were more efficient than legumes in reducing inorganic soil N contents in autumn and nitrate contents in soil solution from the subsoil in winter. This reduction in inorganic soil N did not last until March of the following year due to an N mineralisation from the mulch. The legume + non-legume mixture contained a larger amount...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop combinations and interactions; Soil.
Ano: 2004 URL: http://orgprints.org/5789/1/Farthofer_et_al_2004_intercrops.pdf
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