S. N. SHARMA, S. SINGH, and R. PRASAD, “Effect of crop residue incorporation on the relative efficiency of diammonium phosphate and mussoorie rock phosphate in rice (Oryza sativa)- wheat (Triticum aestivum) cropping system”, Indian J Agri Sci, vol. 71, no. 2, Apr. 2014, Accessed: Jul. 22, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/39515