Nitthaisong, P., Thupwong, K., Tonmukayakul, N., Utharapan, J., Chaisan, T., Rungmekarat, S., Tudsri, S., and Chotchutima, S. 2025. “Optimum potassium fertilizer rate for growth, biomass yield, and fuel properties of Leucaena (Leucaena leucocephala) cv. Tarramba in sandy soil”. International Journal of Agricultural Technology 21 (3):1059-70. https://doi.org/10.63369/ijat.2025.21.3.1059-1070.