00402    a2200145   4500020001500000082001500015100001800030245003200048250001200080260004400092300002100136650004100157650004100198700001700239  a0582020093  a630.2bWEB  aWebster, C.C.  aAgriculture in the tropics   a2nd ed.  aHarlowbELBS/ Longmam Groupc1966g1980  aviii,640p.c22cm  aMiscellany and scientific principals  aAgriculture and related technologies  aWilson, P.N.