C. Karthikeyan, Mohanraj K , Vijayakumar K. Indigenous Sustainable Organic Manuring Practices of Dryland Farmers in Tamil Nadu. Indian J Ext Edu. 2022;49(1&2):50-53. Accessed June 25, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/129258