00796cam a2200277 a 4500 4243693 BD-DhULC 20150112114630.0 830428s1984 at a b 001 0 eng 83071463 0125482809 DLC DLC DLC BD-DhUL 631 23 PEC Control of crop productivity / edited by C.J. Pearson. United States ed. Orlando, Florida : Academic Press, 1984. xvii, 315 p. : ill. ; 24 cm. US$ 49.50 Includes bibliographies and index. Crop yields. Agricultural productivity. Crops Physiology. Pearson, C. J. ddc BK BE00 2/6/85; ff05 2-20-85 29744 29744 0 0 ddc 0 631_000000000000000_PEC 0 NFIC 56512 DUSL DUSL GEN 1985-11-30 Purchased 631 PEC A281170 2015-01-12 2 2015-01-12 BK