Evaluation of the use of a biocarbon on the absorption of cadmium from the soil and the productivity of the cocoa crop (Theobroma cacao L.) in the Ecuadorian Amazon. Iberoamerican Environment & Sustainability Journal, [S. l.], v. 2, n. 1, p. 6–15, 2019. DOI: 10.46380/rias.v2i1.33. Disponível em: https://rias.unesum.edu.ec/index.php/revista/article/view/33. Acesso em: 14 mar. 2026.