TY - GEN AU - Husain,M.M. TI - Studies on the effects of phosphorus fertilization and cutting interval on yield and quality in tetraploid berseem ( Trifolium alexandrinum L. ) KW - Trifolium Alexandrium KW - phosphorus KW - Sandy loam soil KW - Soil texture KW - Varieties KW - Tetraploidy KW - soil fertility KW - Chemical composition KW - Quality KW - yield ER -