K, RAJALEKSHMI. Biochar as an organic source for soil carbon sequestration in acidic soil of Kerala. Journal of Soil and Water Conservation, India, v. 18, n. 3, 2019. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/107849. Acesso em: 3 jul. 2026.