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	Provedor de dados Organic Eprints (1) Autor Munkholm, Lars J. (1) Olesen, Jørgen E. (1) Schjønning, Per (1) Palavra-chave Crop health (1) Protection Crop combinations and interactions Soil quality Soil tillage (1) Quality (1) Tipo do documento Conference paper, poster, etc. (1) Ano 2005 (1) País Germany (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Subsoil loosening eliminated plough pan but had variable effect on crop yield Organic Eprints Munkholm, Lars J.; Olesen, Jørgen E.; Schjønning, Per. The effect of subsoil loosening to c. 35 cm depth was studied in an organic crop rotation experiment at Flakkebjerg (sandy loam) and Foulum (loamy sand). In each of the years 2000-2003 half of 4 plots per site was loosened in the autumn in a young grass-clover. Penetration resistance was recorded yearly. Detailed soil physical properties were determined for the Foulum site in 2003. Aboveground winter wheat growth was followed during the 2002/03 growing season using spectral reflectance measurements. Root growth was followed during the 2002/03 growing season at Foulum using the minirhizotron technique. Crop yield was determined every year in all treated plots. The Paraplow treatment effectively loosened the plough pan. Loosening in the grass-clover crop... Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Crop combinations and interactions Soil quality Soil tillage. Ano: 2005 URL: http://orgprints.org/7824/1/7824.doc Registros recuperados: 1 Primeira ... 1 ... Última

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