DAS, Shaon Kumar; GHOSH, Goutam Kumar; AVASTHE, R. K.; KUNDU, Manik Chandra. Preparation and Characterization of Biochars for their Application as a Soil Amendment. Indian Journal of Hill Farming, India, v. 31, n. 1, 2018. Disponível em: https://epubs.icar.org.in/index.php/IJHF/article/view/82361. Acesso em: 26 oct. 2025.