KUMAR, K. A.; NAIR, K.; KRISHNAN, P.; NAIDU, L.; SARKAR, D. Climatic and terrain influence on acidity, exchangeable bases and cation exchange capacity in soils of coffee plantations of Karnataka. Journal of Plantation Crops, [S. l.], v. 42, n. 1, p. 117–123, 2014. Disponível em: https://updatepublishing.com/journal/index.php/JPC/article/view/5569. Acesso em: 4 may. 2024.