Effect of N fertilizer top-dressing at various reproductive stages on growth, N 2 fixation and yield of three soybean (Glycine max (L.) Merr.) genotypes

Author: Gan Y.   Stulen I.   van Keulen H.   Kuiper P.J.C.  

Publisher: Elsevier

ISSN: 0378-4290

Source: Field Crops Research, Vol.80, Iss.2, 2003-01, pp. : 147-155

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Abstract