000			01467cam a2200325 a 4500
005			20251002142140.0
008			921125s1992 enka b 100 0 eng
020			_a0471935603
020			_a9780471935605
050	0	0	_aS587.5.N5A36 1990
082	0	0	_a631.8/47/0966
245	1	0	_aBiological 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.
260			_aChichester, West Sussex, U.K. ; _aNew York : _bJ. Wiley, _cc1992.
300			_axiv, 488 p. : _bill. ;
650		0	_aNitrogen in agriculture _vCongresses.
650		0	_aNitrogen in agriculture _vCongresses.
650		0	_aNitrogen _xFixation _vCongresses.
650		0	_aNitrogen-fixing plants _vCongresses.
650		0	_aNitrogen-fixing plants _vCongresses.
650		0	_aCropping systems _vCongresses.
650		0	_aCropping systems _vCongresses.
650		0	_aSustainable agriculture _vCongresses.
650		0	_aSustainable agriculture _vCongresses.
700	1		_aMulongoy, K.
700	1		_aGueye, Mamadou,
700	1		_aSpencer, Dunstan S. C.
856	4	2	_uhttp://www.loc.gov/catdir/description/wiley036/92243318.html
856	4		_uhttp://www.loc.gov/catdir/toc/onix07/92243318.html
942			_cBK
999			_c24847 _d24847