ROYCHOWDHURY, Rajib. Biochar: The black gold ofsustainable agriculture. Indian Farming, Delhi, India, v. 76, n. 07, p. 12–14, 2026. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/175630. Acesso em: 17 jul. 2026.