RITTHONG, R.; POONPAKDEE, C.; KHAWMEE, K.; ONTHONG , J. Utilization of Ash and Potassium Extracted from Empty Palm Oil Bunch Ash for Source of Potassium to Plant: . YRU Journal of Science and Technology, Yala, Thailand, v. 10, n. 1, p. 38–48, 2025. Disponível em: https://li01.tci-thaijo.org/index.php/yru_jst/article/view/265360. Acesso em: 1 sep. 2026.