00296    a2200109   4500020001500000082001500015100001700030245006300047260003700110300002300147650001600170  a8185031388  a632.5bMAN  aMandal, R.C.  aWeed weedicide and weed control bprinciples and practices  aIndiabAgro Botanicac1997g1997  a[xiii],263p.c23cm  aAgriculture