00444    a2200121   4500020001500000082001500015100003000030245016300060260004700223300001800270650001000288700002400298  a8172330855  a632.5bALL  aNarwal, Shamsher S. eed.  aAllelopathy in agriculture and forestrybinvited lectures deliveredat the first national symposium allelopathy in agroecosystems, February, 1992, Hisar, India  aJodhpurbScientific Publishersc1994g1994  ax,310p.c22cm  aWeeds  aTauro, Patric eed.