AGUIRRE FORERO, Sonia Esperanza; VILLA PAREJO, José Aldair; PIRANEQUE GAMBASICA, Nelson Virgilio. Coffee pulp and palm rachis biochar with potential for agricultural dry tropics use. Revista de Investigación Agraria y Ambiental, Colombia,CO, v. 16, n. 1, p. 157–183, 2024. DOI: 10.22490/21456453.7822. Disponível em: https://hemeroteca.unad.edu.co/index.php/riaa/article/view/7822. Acesso em: 5 dec. 2025.