The contribution of symbiotic nitrogen fixation to the nitrogen economy of natural ecosystems
F. O. C. Ezedinma, N. N. Agbim, S. S. C. OnyekweluVolume:
51
Language:
english
Pages:
11
DOI:
10.1007/bf02277572
Date:
May, 1979
File:
PDF, 479 KB
english, 1979