000 00344 a2200133 4500
080 _a633
_bM 381 P
245 1 _aPrinciples of field crop production
_cby J.H. Martin, et. al.
250 _a3rd edn.
260 _aNew York
_bMacmillan Publishing
_c1976
650 _aField Crop
100 1 _aMartin, J.H.
_d
300 _a1118 p.
901 _a130634
999 _c84540
_d84540