Yadvinder-Singh and Bijay-Singh, R.K. Gupta, Navpreet Rathore,. 2016. “Effect of Phosphorus Fertilization on Its Transformations in Different Soils under Dry Direct-Seeded Rice”. Journal of the Indian Society of Soil Science 64 (3). https://epubs.icar.org.in/index.php/JISSS/article/view/66412.