00679nam a22002057a 450000500170000000800410001704000230005808200180008110000280009924500650012725000130019226000340020530000300023959000100026965000280027965000210030794200120032899900170034095201160035720181210003159.0180412s1972    nyuao||| |||| 001 0 eng d  aBD-DhBPAcBD-DhBPA  a631bHUC 19721 aHughes, Harold D.9235010aCrop production /cHarold D. Hughes and Darrel S. Mertcalfe.  a3rd ed.   aNew York :bMacmillan,c1972.  a627p. :bills, ;c28 cm.   aNewaz  aCrop production 944635  aAgronomy 950690  2ddccBK  c17300d17300  102ddc4070aBPATCbBPATCcGENd2018-04-12l0o631 HUC 1972p15975r2018-04-12 00:00:00w2018-04-12yBKzNewaz