00409    a2200121   4500082001700000100002300017245005900040260005600099300002100155440003900176650003100215650004100246  a633.996bGAT  aGates, Jane potter  aIPM and biological control of plant pestsbfield crops  aMarylandbNational agricultural libraryc1993g1993  a[vii],83p.c28cm  aQuick bibliography series QB 93-69  aField and plantation crops  aAgriculture and related technologies