P. W. SINGHE, A. S. SIDHU, and G. S. SAROA, “Influence of combined application of farmyard manure and Udaipur rock phosphate on availability and transformation of phosphorus in Typic Ustochrept under rice (Oryza sativa) – wheat (Triticum aestivum) sequence*”, Indian J Agri Sci, vol. 78, no. 10, Jan. 2011, Accessed: Sep. 19, 2024. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/2722