000 00399nam a2200157Ia 4500
020 _a0813803772
082 _a631.5
_bMIC
100 _aMitchell, Roger L.
_9108675
245 _aCrop growth and culture
_cRoger L. Mitchell
260 _aLowa:
_bLowa State University,
_c1970.
300 _a349p.
546 _aeng
650 _aAgriculture
_9108676
650 _aFarm produce
_9108677
942 _cBK
999 _c14780
_d14780