000 00377 a2200157 4500
001 3387
008 eng
041 _aeng
082 _a631.5
084 _aQdd:b
245 _aCrop Science 20/2
260 _aMadison
_bCrop Science Society of America
_c1980
300 _a421-842
653 _aCROP SCIENCE
700 _aC. O. Qualset
_eeditor
999 _c12813
_d12813