Malik, O. P.Jagdeep Singh2017-06-032017-06-032001http://krishikosh.egranth.ac.in/handle/1/5810014889en-USSynthesis Bioevaluation, Benzopyra, Naphthopyran, Metribuzin, Wheat, SoilSynthesis And Bioevaluation Of Substituted 2H-1-Benzopyran-2-Ones, 2H-1-Naphthopyran-2-Ones And Persistence Of Metribuzin (Sencor) In Wheat And SoilThesis