BANSAL RL, NAYYAR VK. Critical level of deficiency for predicting response to manganese application of egyptian clover (Trifolium alexandrinum) on Typic Ustochrepts*. Indian J Agri Sci. 2013;67(9). Accessed October 29, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/30044