Das, Santanu, Anup Das, Ramkrushna G I, Jayanta Layek, and Samik Chowdhury. “Monitoring Soil PH and Exchangeable Ca Status in Groundnut–Rapeseed Cropping System As Influenced by Direct and Residual Effect of Micronutrients and Liming”. Indian Journal of Hill Farming 30, no. 1 (August 18, 2017). Accessed October 22, 2025. https://epubs.icar.org.in/index.php/IJHF/article/view/73323.