00346    a2200121   4500020001500000082001500015100002500030245005000055250001200105260005100117300002000168650003600188  a8120402022  a632.5bCHA  aChattopadhyay, S. B.  aPrinciples and procedures of plant protection  a3rd ed.  aNew DelhibOxford & IBH Publishingc1991g1991  axiv,584p.c22cm  aPlant injurres, diseases, pests