B.N. Saha, Biplab Pal and Biswapati Mandal, Sajal Pati, Sushanta Saha, G.C. Hazra. “Distribution of Silicon in Rice Growing Soils of West Bengal in Relation to Some Important Soil Chemical Properties”. Journal of the Indian Society of Soil Science, vol. 65, no. 2, Aug. 2017, https://epubs.icar.org.in/index.php/JISSS/article/view/72897.