ADRIAS, P. J. V.; DEL ROSARIO, M. R. Soil properties and response of spring onion to different levels of biochar. International Journal of Agricultural Technology, [S. l.], v. 13, n. 1, p. 131–137, 2017. Disponível em: https://li04.tci-thaijo.org/index.php/IJAT/article/view/6719. Acesso em: 27 aug. 2025.