00404    a2200157   4500020001500000082001700015100001700032245004100049260005700090300001900147650001600166650001000182700002000192700001700212700001700229  a8181891422  a631.521bVEG  aSingh, N. P.  aVegetable seed production technology  aLucknowbInternational book distributingc2006g2006  avi,227p.c24cm  aAgriculture  aSeeds  aKumar, Virendra  aSingh, D. K.  aSingh, Y. K.