Mahapatra, B S, Ajay Kumar, Alabhya Misra, Rajeev Kumar, and R P Pareek. “Soil Fertility and Productivity in Rice (Oryza Sativa)-Wheat (Triticum Aestivum) Cropping System As Influenced by Sunnhemp (Crotalaria Juncea) Green Manuring”. The Indian Journal of Agricultural Sciences 75, no. 10 (October 5, 2005). Accessed October 28, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9184.