000 00476nam a2200169Ia 4500
008 170901s1981 xx 000 0 und d
020 _a0835980286
082 _a631.5
_bS84U
100 _aStoskopf, Neal. C
245 0 _aUnderstanding Crop Production
260 _aUSA
_bReston Publishing Company, Inc
_c1981
300 _a433
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aCrop production
942 _2ddc
_cBK
999 _c13638
_d13638