000 003500000a22001330004500
008 140223b1949 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aJ:5u H9.1-.5
082 _aJ:5u H9.1-.5
100 _aNORMAN (A.G.)Ed
245 _aAdvances in agronomy.vol.1-5.
260 _aAcademic Pr.
_bNew York
_c1949-'53
650 _aCROP DEVELOPMENT
999 _c100123
_d100123