00485    a2200169   4500020001500000082001600015100001800031245005600049250001300105260003900118300002100157650003600178650001500214650004900229700001700278700002000295  a0029460484  a632.95bGRE  aGreen, M. B.   aChemicals for crop improvement and pest management   a3rd ed.   aOxfordbPergamon Pressc1989g1987  aviii,370p.c23cm  aPlant injuries, diseases, pests  aPesticides  aGeneral topics of pests and diseases control  aWest, T. F.   aHartley, G. S.