Low-cost soil conservation technique for controlling gully erosion in the semi-arid area of the Free State province. South African Journal of Agricultural Extension (SAJAE), [S. l.], v. 49, n. 3, p. 136–142, 2021. DOI: 10.17159/2413-3221/2021/v49n3a12987. Disponível em: https://sajae.co.za/article/view/12987. Acesso em: 21 nov. 2024.