Nitrogen fixation with non-legumes : proceedings of the 4th International Symposium on Nitrogen Fixation with non-lebumes, Rio de Janeiro, Brazil, 23-28 August 1987 - International Symposium on Nitrogen Fixation with Non-legumes (4th : 1987 : Rio de Janeiro, Brazil).; Skinner, F. A. (Frederick Arthur), 1919-; Boddey, R. M.; Fendrik, I. (Dordrecht : Kluwer Academic Publishers, 1989)
Includes bibliographical references.
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Keywords: Nitrogen -- Fixation -- Congresses