K.B. Polara, N.M.P.S. and (2020) “Dynamics of Potassium Fractions in the Calcareous Soils of Gujarat”, Journal of the Indian Society of Soil Science, 68(1). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/104548 (Accessed: 16 July 2026).