Comparative Characteristics and Potassium-Sulfur Release Behavior of Paddy Straw versus Banana Peduncle based Composite Biochar Produced by Co-pyrolysis with Phosphogypsum: BIOCHAR COMPOSITE SLOW-RELEASE FERTILIZERS. Journal of Scientific & Industrial Research (JSIR), [S. l.], v. 82, n. 12, p. 1257–1265, 2024. DOI: 10.56042/jsir.v82i12.1457. Disponível em: https://or.niscpr.res.in/index.php/JSIR/article/view/1457. Acesso em: 13 may. 2026.