000 00479nam 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 _aReston
_bReston Publishing Company Inc.
_c1981
300 _a433
650 _aAgriculture and related technologies
650 _aTechnology (Applied sciences)
653 _aCrop production
942 _2ddc
_cBK
999 _c13639
_d13639