Effect of potassic fertilization on yield of fodder sorghum-sudan grass hybrid and selection of extractants for determination of plant potassium availability. Range Management and Agroforestry, [S. l.], v. 45, n. 01, p. 82–89, 2024. Disponível em: https://myresearchjournals.com/rma/article/view/24. Acesso em: 21 feb. 2026.