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	Provedor de dados Rev. Bras. Ciênc. Solo (1) Autor Delgado,Jorge A. (1) Garza,Héctor Mario Quiroga (1) Lindemann,William C. (1) Wong,José Antonio Cueto (1) Palavra-chave Annual ryegrass (1) Denitrification (1) Nitrogen use efficiency (1) Salinity (1) Sudangrass (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2009 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última 15N uptake fom manure and fertilizer sources by three consecutive crops under controlled conditions Rev. Bras. Ciênc. Solo Garza,Héctor Mario Quiroga; Delgado,Jorge A.; Wong,José Antonio Cueto; Lindemann,William C.. There are several regions of the world where soil N analysis and/or N budgets are not used to determine how much N to apply, resulting in higher than needed N inputs, especially when manure is used. One such region is the North Central "La Comarca Lagunera", one of the most important dairy production areas of Mexico. We conducted a unique controlled greenhouse study using 15N fertilizer and 15N isotopic-labeled manure that was labeled under local conditions to monitor N cycling and recovery under higher N inputs. The manure-N treatment was applied only once and was incorporated in the soil before planting the first forage crop at an equivalent rate of 30, 60 and 120 Mg ha-1 dry manure. The 15N treatments were equivalent to 120 and 240 kg ha-1 (NH4)2SO4-N... Tipo: Info:eu-repo/semantics/article Palavras-chave: Denitrification; Nitrogen use efficiency; Annual ryegrass; Salinity; Sudangrass. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832009000500018 Registros recuperados: 1 Primeira ... 1 ... Última

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