BATHULA, SUNITHA, K. A. Gopinath, V. Visha Kumari, A. V. Ramanjaneyulu, Suvana, and M. Yakadri. “POLY4:A Multi -Nutrient Fertilizer – Suitability for Organic Farming ”. Chronicle of Bioresource Management 7, no. Dec, 4 (November 15, 2023): 066–071. Accessed July 20, 2026. https://www.ojs.pphouse.org/index.php/CBM/article/view/4909.