Sato, H. et al. 2025. SOIL PROPERTY COMPARISON BETWEEN ALLOPHANIC AND NON-ALLOPHANIC HORIZONS IN VOLCANIC ASH SOILS OF KYUSHU, JAPAN. Research Journal of Economics and Sustainable Development. 13, 3 (Sep. 2025), 1–11. DOI:https://doi.org/10.5281/zenodo.17061672.