TY - GEN AU - Gupta,R.A. TI - Investigations on the effectiveness of different forms of phosphate on Trifolium alexandrinum with special reference to growth, noduldation and green fodder yield. Pt.2. Investigations on the residual effect of the phosphatic forms (applied to T. alexandrinum) on the growth and green fodder yield of Zea mays KW - Phosphata fertilizers KW - Ammonium sulphate KW - Trifolium alevandrinum KW - Fertilizers KW - Fertilizers effects KW - Yields KW - Nodulation ER -