INFLUENCE OF BIOCHAR WATER HYACINTH ON THE SHEAR STRENGTH OF ULTISOLS. International Journal of Geomate, [S. l.], v. 31, n. 144, p. 200–207, 2026. DOI: 10.21660/2026.144.g15245. Disponível em: https://geomatejournal.com/geomate/article/view/5816. Acesso em: 3 oct. 2026.