K, Thimmappa, Yashpal Singh, Raju R, Ram Shankar Tripathi, Sandeep Kumar, Sendhil R, and Dattupant Mitrannavar. “Declining Farm Productivity and Profitability Due to Soil Degradation in Rice-Wheat Cropping System – A Case Study from North India”. Journal of Cereal Research 7, no. 2 (December 30, 2015). Accessed June 22, 2026. https://epubs.icar.org.in/index.php/JWR/article/view/44352.