00829nam a2200265 4500 4366928 000 20150324145145.0 000 000 90136603 968612702X UOEL DLC S540.O53 T74 1989 630/.72 20 Tripp, Robert. The planning stage of on-farm research : identifying factors for experimentation / Robert Tripp and Jonathan Woolley. Mexico, D.F. : CIMMYT ; Cali, Colombia : CIAT, 1989. vi, 85 p. : ill. (some col.) ; 26 cm. Includes bibliographical references (p. 84-85) Agriculture Research On-farm Planning. Woolley, Jonathan. 7 cbc orignew 3 ncip 19 y-gencatlg lcc LL 3119 3119 0 0 lcc 0 0 UOE UOE GEN 2015-03-24 0 S540.O53 T74 1989 20145582 2026-04-27 11:59:54 20145582 2015-03-24 LL 0 0 lcc 0 0 UOE UOE GEN 2015-03-27 0 S540.O53 T74 1989 20014466 2026-04-27 11:59:54 20014466 2015-03-27 LL