00307nam a2200121 a 450000500170000008200200001710000220003724500430005926000340010230000150013670000170015170000170016820251203091038.0  a632.58,bD, sha  aShanmugavelu K.G.  aWeed management of horticultural crops  aBikanerbAgro Botanicalc1985  a114p, 22cm  aAravindan R.  aRajagopal A.