Singh, U., singh, S. R., Saad, A. A., & Mir, S. A. (2016). Phosphorus Management in Green Gram-Brown Sarson Cropping System under Rainfed Conditions of Kashmir yalley. Annals of Arid Zone, 48(2). https://epubs.icar.org.in/index.php/AAZ/article/view/64283