Thammayod, Aekkaphon, Wuttichai Roschat, Tappagorn Leelatam, Sunti Phewphong, Bunterm Maneerat, Nirantree Leelatam, Amonrat Thangthong, Preecha Moonsin, and Vinich Promarak. 2024. “Development of High-Quality Organic Fertilizer from Biomass Waste and the Application of Biochar in Local Areas of Sakon Nakhon Province, Northeastern Thailand”. Trends in Sciences 22 (2). Nakhon Si Thammarat, Thailand:9105. https://doi.org/10.48048/tis.2025.9105.