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	1.	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. by African Association for Biological Nitrogen Fixation. Conference (4th : 1990 : International Institute of Tropical Agriculture) Mulongoy, K Gueye, M Spencer, D. S. C Publication details: Chichester, West Sussex, U.K. ; New York : J. Wiley, c1992 Availability: Items available for loan: Main (1)Call number: S587.5.N5 A36 1990. Place hold Add to cart (remove)
	2.	Drylands : sustainable use of rangelands into the twenty-first century / edited by Victor R. Squires and Ahmed E. Sidahmed. by Squires, V. R. (Victor R.), 1937 Sidahmed, Ahmed E Saudi Arabia. Wizarat al-Ziraah wa-al-Miyah Saudi Arabia. Meteorology and Environmental Protection Administration International Fund for Agricultural Development Series: IFAD series. Technical reports Publication details: Rome, Italy : IFAD, c1998 Other title: Sustainable use of rangelands into the twenty-first century Availability: Items available for loan: Main (1)Call number: SF84.84 D79 1998. Place hold Add to cart (remove)
	3.	Beyond the gene horizon : sustaining agricultural productivity and enhancing livelihoods through optimization of crop and crop-associated biodiversity with emphasis on semi-arid tropical agroecosystems : proceedings of a workshop 23-25 September 2002, Patancheru, India / editors, F. Waliyar, L. Collette, and P.E. Kenmore. by Waliyar, Farid Collette, L Kenmore, Peter E.$q(Peter Ervin) International Crops Research Institute for the Semi-arid Tropics Food and Agriculture Organization of the United Nations Publication details: Andhra Pradesh, India : Rome, Italy : ICRISAT ; FAO, 2003 Other title: Sustaining agricultural productivity through optimization of crop biodiversity on semi-arid and tropical agroecosystems. Agricultural productivity on semi-arid and tropical agroecosystems. Availability: Items available for loan: Main (1)Call number: ORG S494.5.P75 B49 2003. Place hold Add to cart (remove)

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