Residual nitrogen effect of clover-ryegrass swards on yield and N uptake of a subsequent winter wheat crop as studied by use of 15 N methodology and mathematical modelling

Author: Hogh-Jensen H.   Schjoerring J.K.  

Publisher: Elsevier

ISSN: 1161-0301

Source: European Journal of Agronomy, Vol.6, Iss.3, 1997-05, pp. : 235-243

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Abstract