HSR Vol.12（2015）
- Seawater extractable organic matter (SWEOM) derived from a compost sample and its effect on the serving bioavailable Fe to the brown macroalga, Saccahrina japonica : Iwai et al.(p5-20)
- Functional roles of soil organic matter : Y. Aoyama(p21-28)
- Comprehensive view of chemical structure of soil organic matter, a review : K. Ikeya(p29-40)