Sunflower nitrogen requirement and 15 N fertilizer recovery in Western Pampas, Argentina

Author: Scheiner J.D.   Gutierrez-Boem F.H.   Lavado R.S.  

Publisher: Elsevier

ISSN: 1161-0301

Source: European Journal of Agronomy, Vol.17, Iss.1, 2002-07, pp. : 73-79

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Abstract