000			00365nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a916150402
041			_aen
082			_a631.58
100			_aArkin,G.F.Taylor,H.M.
245		0	_aModifying the Root Environment to Reduce Crop Stress
260			_aU.S.A _bASAE.. _c1981
300			_axii,408p;i
942			_cPR
999			_c45323 _d45323