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Biological nitrogen fixation in farming systems of the Tropics : based on papers presented at a symposium held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, in October 1975 /

Biological nitrogen fixation in farming systems of the Tropics : based on papers presented at a symposium held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, in October 1975 / edited by A. Ayanaba and P. J. Dart. - Chichester ; New York : Wiley, c1977. - xi, 377 p. : ill. ; 24 cm.

0471994995


Nitrogen x Fixation.
Agriculture x Tropics.
Cropping systems x Tropics.

S651 / .B5

589/.7/04133