and J. Prasad, A. P. V. K. (2016). Effect of Continuous Cropping and Fertilization on Sulphur Fractions and their Contribution to Sulphur Uptake under Rice-Wheat System in Calciorthents. Journal of the Indian Society of Soil Science, 64(2). https://epubs.icar.org.in/index.php/JISSS/article/view/62536