Biological nitrogen fixation and sustainability of tropical agriculture :

Biological nitrogen fixation and sustainability of tropical agriculture : proceedings of the Fourth International Conference of the African Association for Biological Nitrogen Fixation (AABNF), held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 24-28 September 1990 / edited by K. Mulongoy, M. Gueye, and D.S.C. Spencer. - Chichester, West Sussex, U.K. ; New York : J. Wiley, c1992. - xiv, 488 p. : ill. ; 26 cm.

Includes bibliographical references.

0471935603

92243318


Nitrogen in agriculture--Agriculture (General)--Tropics--Congresses.
Nitrogen in agriculture--Africa--Congresses.
Nitrogen--Fixation--Congresses.
Nitrogen-fixing plants--Tropics--Congresses.
Nitrogen-fixing plants--Africa--Congresses.
Cropping systems--Tropics--Congresses.
Cropping systems--Africa--Congresses.
Sustainable agriculture--Tropics--Congresses.
Sustainable agriculture--Africa--Congresses.

S587.5.N5 / A36 1990

631.8/47/0966