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. DOI: 10.59515/rma.2024.v45.i1.11. Disponível em: https://www.rmaj.in/rma/article/view/783. Acesso em: 4 feb. 2026.