000			00647cam a2200181 i 4500
010			_a 75332458
020			_a0112408893
082	0	0	_a630.8
245	0	0	_aSoil physical conditions and crop production : _bproceedings of a conference / _corganized by the soil scientists of the Agricultural Development and Advisory Service, January 3-5, 1972.
260			_aLondon : _bH.M. Stationery Off., _c1975.
300			_avi, 505 p. :
490	1		_aTechnical bulletin - Ministry of Agriculture, Fisheries and Food ; 29
650		0	_aSoil physics
650		0	_aPlant-soil relationships
650		0	_aTillage
650		0	_aSoils
942			_2ddc _cP
999			_c160631 _d160631