STEINER, Fábio; LANA, Maria. Contribution of non-exchangeable K in soils from Southern Brazil under potassium fertilization and successive cropping. Revista Ciência Agronômica, Fortaleza, v. 49, n. 4, 2018. Disponível em: https://periodicos.ufc.br/revistacienciaagronomica/article/view/84789. Acesso em: 1 out. 2026.