About OYANAGI Nobuhiro
About Environmental Sci. Res. Niigata, Advanced Environmental Technol. Center, 333-1 Minamiyachi, Nishikan-ku, 953-0135 ...
About NAKATA Makoto
About Niigata Univ., Graduate School of Sci. and Technol., 8050, 2-no-cho, Ikarashi, Nishi-ku, 950-2181, Niigata, JPN
About Paddy and Water Environment
About Phragmites australis
About soil moisture content
About lot (land)
About fallow land
About paddy field
About paddy soil
About chemical property of soil
About seasonal variation
About soil acidity
About oxidation-reduction potential
About Iron
About manganese compound
About sampling
About sulfate ion
About soil microorganism
About Biology
About state
About Sado Island
About experiment
About habitat
About manganese(II)
About ferrous
About reduction potential
About abandoned cropland
About terraced paddy field
About incubation experiment
About exchangeable base
About phenology
About exchangeable base
About biotope
About seasonal variation
About redox status
About phenology
About soil pH
About Soil chemistry
About Nature conservation
About 含水量
About 培養
About 棚田
About 土壌
About 季節変化