00918nam0-22003131i-450 99000174098040332120190520133238.00-582-40808-3000174098FED01000174098(Aleph)000174098FED0100017409820030910d1989----km-y0itay50------baengUS<<An >>introduction to the physiology of crop yieldRobert K.M. Hay, Andrew J. WalkerNew YorkLongman Scientific and Technical1989XVI, 292 p.25 cmAgronomia633Hay,Robert K. M.355682Walker,Andrew J.75412ITUNINARICAUNIMARCBK99000174098040332160 633 HAYR 19892389FAGBCFAGBCIntroduction to the physiology of crop yield1553491UNINA