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Nitrogen contribution of cowpea green manure and residue to upland rice
P. S. John, R. K. Pandey, R. J. Buresh, R. PrasadVolume:
142
Langue:
english
Pages:
9
DOI:
10.1007/bf00010174
Date:
April, 1992
Fichier:
PDF, 652 KB
english, 1992