00449 a2200181 4500 085264289x 001.434 MAN 15561 23506 Pearce, S.C. A manual of crop experimentation London Charles Griffin & Company Limited 1988 1988 xi,358p. 24cm Knowlege Kempson, R.E. Clarke, G.M. Dyke, G.V. PR 43645 43645 0 0 0 0 REF MKDL MKDL REF 2009-03-30 0 001.434MAN 50177 2009-03-30 00:00:00 0.00 2016-10-31 PR