000			00391nam a2200145Ia 4500
008			210101s1972 xx 000 0 eng d
082			_a651.45 H851 O
100			_aHillel, Daniel
245		0	_aOptimizing the soil physical environment toward greater crop yields
260			_aNew York _bAcademic Press _c1972
300			_a240
650			_aCrop yields
653			_aSoil
942			_2ddc _cBK
999			_c4381 _d4381