BANSAL, R L; NAYYAR, V K. Critical level of deficiency for predicting response to manganese application of egyptian clover (Trifolium alexandrinum) on Typic Ustochrepts*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 67, n. 9, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/30044. Acesso em: 29 oct. 2025.