00284    a2200109   4500020001500000082001300015100002200028245003900050260004500089300002400134650001600158  a8176630152  a630bHAN  aSingh, S.S. eed.  aHand book of agricultural sciences  aLudhianabKalyani Publishersc1991g2002  a[viii], 884p.c22cm  aAgriculture