GAJENDRA GIRT 2001. Direct and residual effect of nitrogen and phosphorus fertilization on groundnut (Arachis hypogaea) - wheat (Triticum aestivum) cropping system. Indian Journal of Agronomy. 38, 1 (Oct. 2001), 38_1 . DOI:https://doi.org/10.59797/ija.v38i1.3872.