SINGHE, P WEERA, A S SIDHU, and G S SAROA. 2011. “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*”. The Indian Journal of Agricultural Sciences 78 (10). https://epubs.icar.org.in/index.php/IJAgS/article/view/2722.