00281nam a22001097a 4500003000400000008004100004082001800045100001800063245005200081260003000133300000800163OSt240805b        |||||||| |||| 00| 0 eng d  a631.523bS48H  aSinghal, N.C.  aHybrid Seed Production in Field Crops Practices  aKalyani Publicationc2011  a308