01819nam a2200361   450000100070000000500170000700800040002401000170002802000150004504000190006004300210007905000240010008200220012411001360014624503610028226000670064330000340071050400410074465000730078565000490085865000360090765000490094365000480099265000430104065000420108365000500112565000490117570000170122470000270124170000270126885600880129585600740138362865120150318094538.0000  a   92243318   a0471935603  aUOELcDLCdDLC  aw------af------00aS587.5.N5bA36 199000a631.8/47/09662202 aAfrican Association for Biological Nitrogen Fixation.bConferencen(4th :d1990 :cInternational Institute of Tropical Agriculture)10aBiological nitrogen fixation and sustainability of tropical agriculture :bproceedings 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 /cedited by K. Mulongoy, M. Gueye, and D.S.C. Spencer.  aChichester, West Sussex, U.K. ;aNew York :bJ. Wiley,cc1992.  axiv, 488 p. :bill. ;c26 cm.  aIncludes bibliographical references. 0aNitrogen in agriculturezTropicsvCongresses.xAgriculture (General) 0aNitrogen in agriculturezAfricavCongresses. 0aNitrogenxFixationvCongresses. 0aNitrogen-fixing plantszTropicsvCongresses. 0aNitrogen-fixing plantszAfricavCongresses. 0aCropping systemszTropicsvCongresses. 0aCropping systemszAfricavCongresses. 0aSustainable agriculturezTropicsvCongresses. 0aSustainable agriculturezAfricavCongresses.1 aMulongoy, K.1 aGueye, Mamadou,d1950-1 aSpencer, Dunstan S. C.423Publisher descriptionuhttp://www.loc.gov/catdir/description/wiley036/92243318.html4 3Table of Contentsuhttp://www.loc.gov/catdir/toc/onix07/92243318.html