000			00516nam a2200181Ia 4500
008			140208s9999 xx 000 0 und d
020			_a9780131947610
044			_aU.S.A.
080			_a631.5 D384C
100			_aDelorit, Richard J.
245			_aCrop production _cRichard J. Delorit, Louis J. greub and Henry, L. Ahlgren
250			_a4th ed.
260			_bPrentice-Hall _aEnglewood Cliffs _c1974
300			_axiv, 744 p.; 23cm.
700			_aAhlgren, Henry L.
700			_aGreub, Louis J.
942			_2udc _cGB
999			_c5254 _d5254