00877cam a2200265 a 4500 3514196 BD-DhUL 20150108170015.0 950607s1994 enka b 001 0 eng 95161876 0851989055 DLC DLC DLC BD-DhUL S633 .C726 1994 631.81 21 COE Colwell, J. D. Estimating fertilizer requirements : a quantitative approach / J.D. Colwell. Wallingford, UK : CAB International, c1994. x, 262 p. : ill. ; 24 cm. GBP 40.00 Includes bibliographical references (p. 256-259) and index. Fertilizer requirements Statistical methods. Fertilizer requirements Mathematical models. 7 cbc orignew 3 ncip 19 y-gencatlg ddc BK 29105 29105 0 0 ddc 0 631_810000000000000_COE 0 NFIC 54411 DUSL DUSL GEN 1998-09-30 Purchased 631.81 COE 373603 2015-01-08 2 2015-01-08 BK 0 0 ddc 0 631_810000000000000_COE 0 NFIC 54412 DUSL DUSL GEN 1998-09-30 Purchased 631.81 COE 373602 2015-01-08 1 2015-01-08 BK