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J. Jpn. Soc. Soil Phys.
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No. +*/, p. ,- -* !,**1"  *Soil Humic Substances : their Chemical Structures and Functions
Syuntaro HIRADATE** Biodiversity Division, National Institute for Agro-Environmental Sciences (NIAES),-῎+῎- Kan-nondai, Tsukuba, Ibaraki -*/῎20*., Japan
Key words : Soil humic substances, Humic acids, Fulvic acids, Humins, Hydrophilic fulvic acids

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C NMR. In Proceedings of the +-th Meeting of<=>?@,,3ῌ,-,. Universitaet Karlsruhe (TH), Germany.

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C, ,1Al, and ,3Si NMR and by C stable isotopic+-ῌ ῏ ῎ ῍ratio, d+-C. Geoderma, +-0 : 030ῌ1*1.

Benoit, P., Barriuso, E., Houot, S. and Calvet, R. (+330) :Hiradate, S., Furubayashi, A., Uchida, N. and Fujii, Y.

Inﬂuence of the nature of soil organic matter on(,**1) : Adsorption of ,,.-dichlorophenoxyacetic

the sorption-desorption of .-chlorophenol. ,, .-acid by an Andosol. J. Environ. Qual., -0 : +*+ῌ+*3.

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