Characterization of biochars from different sources and evaluation of release of nutrients and contaminants. Revista Ciência Agronômica, Fortaleza, v. 48, n. 3, p. 395–403, 2017. Disponível em: https://periodicos.ufc.br/revistacienciaagronomica/article/view/88668. Acesso em: 20 out. 2026.