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Use of15N isotope dilution for quantification of N2fixation associated with roots of kallar grass (Leptochloa fusca(L.))
K. A. Malik, Y. Zafar, R. Bilal, E. AzamVolume:
4
Language:
english
Pages:
6
DOI:
10.1007/bf00280359
Date:
May, 1987
File:
PDF, 565 KB
english, 1987