Proceedings of the national symposium, Biological nitrogen fixation held at Indian agricultural research institute New Delhi, Feb., 25-27, 1982 - New Delhi: FAO. Department of Atomic Energy, 1982 - xii, 676p. Subjects--Topical Terms: Agriculture Subjects--Index Terms: Biotechnologies for nitrogen Genetic manipulation Universal Decimal Class. No.: I 631.461.5(082.2) / M3