MURTHY IYLN, HARIPRIYA CV, PADMAVATHI P. Establishment of critical boron limits for castor (Ricinus communis) in red sandy loam soil with various boron extractants. Indian J Agri Sci. 2013;83(11). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/34559