000 00411nam a2200169Ia 4500
020 _a0716705818
082 _a631.3/CHA
100 _aChapman, Stephen R
245 _aCrop production: principles and practices
260 _bW H Freeman and Company
_aSan Francisco
_c1976
300 _a558
650 _aField crops
650 _aNorth America
700 _aCarter, C P
901 _a1798
942 _2ddc
_cBK
999 _c1573
_d1573