Organic matter sequestration under sugarcane cultivation in Nagari Lawang, a wet tropical region, West Sumatra IndonesiaYulnafatmawita Yulnafatmawita, Widia Fitri and Nofrita SandyE3S Web Conf., 682 (2025) 01002DOI: https://doi.org/10.1051/e3sconf/202568201002