Moreira, Adônis, Márcia Pereira de Almeida, Danielle Gonçalves Costa, and Lucilene Silva Santos. “Potential Acidity by PH SMP Method in Amazonas State, Brazil”. Pesquisa Agropecuaria Brasileira 39, no. 1 (January 1, 2004): 89–92. Accessed March 13, 2026. https://apct.sede.embrapa.br/pab/article/view/6741.