000			00993nam a2200253Ia 4500
001			000001784
003			MX-MdCICY
005			20241009162708.0
008			280520t1978----nyua###f#p---#000-0#eng-#
020			_a0125184026
040			_cCICY
082	0	4	_a574.52 _bN53n
245	1	0	_aNitrogen in the environment / _cedited by Donald R. Nielsen, J.G. MacDonald
264	3	1	_aNew York : _bAcademic Press, _c1978
300			_a2 v. : _bil. ; _c23 cm.
500			_aAn International conference on Nitrogen in the Environment, held at the University of California Conference Center, Lake Arrowhead, in February, 1977
505	0		_aContenido: v.1. Nitrogen behavior in field soil .-- v.2. Soil, plant, nitrogen relationships
650	1	4	_aFIJACION DEL NITROGENO _vCONGRESOS, CONFERENCIAS, ETC.
650	1	4	_aNITRIFICACION _vCONGRESOS, CONFERENCIAS, ETC.
700	1	2	_aMacDonald, J. G., _eed.
700	1	2	_aNielsen, Donald R., _d1931-, _eed.
710	1	2	_aKearney Foundation.
942			_2ddc _cBK
999			_c1760 _d1760