000			00581nam a2200205 a 4500
001			00035343
003			PWmBRO
005			20180324095138.0
008			940511s1992 ne ab b 001 0 eng
020			_a0444886753
245	0	0	_aField crop ecosystems / _cedited by C.J. Pearson.
260			_aAmsterdam ; _aNew York : _bElsevier, _c1992.
300			_axiii, 576 p. : _bill. (some col.), maps.
440		0	_aEcosystems of the world ; _v18
650		0	_aField crops.
650		0	_aField crops _xEcology.
650		0	_aCropping systems.
700	1	0	_aPearson, C. J.
942			_2ddc
999			_c71333 _d71333