Bijay-Singh and Varinderpal-Singh, Amandeep-Singh, R.K. Gupta, Yadvinder- Singh, H.S. Thind,. “Effect of Rice Husk Ash and Bagasse Ash on Inorganic Phosphorus Fractions and Available Phosphorus in an Alkaline Soil under Rice (Oryza Sativa L.)-Wheat (Triticum Aestivum L.) Cropping System”. Journal of the Indian Society of Soil Science 61, no. 3 (December 12, 2013). Accessed October 30, 2025. https://epubs.icar.org.in/index.php/JISSS/article/view/35632.