Sato, Hiroshi, Akiko Tanaka, and Takeshi Nakamura. 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):1-11. https://doi.org/10.5281/zenodo.17061672.