ROY, PARTHA DEB et al. Assessing the nature of soil acidity in per-humid, Sub-tropical Meghalaya in North Eastern region of India. Journal of Soil and Water Conservation, India, v. 21, n. 2, 2022. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/126218. Acesso em: 11 jun. 2026.