Use of organic waste biochar as an innovative alternative for increasing agricultural productivity in small rural communities. Research, Society and Development, [S. l.], v. 10, n. 4, p. e8910413848, 2021. DOI: 10.33448/rsd-v10i4.13848. Disponível em: https://rsdjournal.org/rsd/article/view/13848. Acesso em: 5 dec. 2025.