B. MANDAL, N. DE, V.N. MISHRA, S. SHARMA AND K.B. POLARA, A.K. Pradhan, K.S. Beura R. Das, D. Padhan, G.C. Hazra. Extractable Iron and Manganese in Soil as Influenced by Management Practices in Some Long-Term Experiments of India. Journal of the Indian Society of Soil Science, India, v. 66, n. 1, 2018. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/80709. Acesso em: 16 jul. 2026.