00447 a2200157 4500 632.5 MAN 24305 40028 A manual on the weeds of the major crops of Ceylon Ceylon Department of Agriculture 1951 1951 112p. 30cm Peradeniya manual no. 7 Agriculture and related technologies Weeds Plant injuries,diseases,pests L 51430 51430 0 0 0 0 LEN MKDL MKDL LEN 2009-09-09 5 632.5MAN 53669 2019-12-16 00:00:00 2019-11-28 0.00 2016-10-31 L