Research field (4):
Plant nutrition, soil science
, Solid earth science
, Environmental policy and society
, Environmental impact assessment
沖縄農業研究会 (Okinawa Agriculture Research Society)
, 日本ペドロジー学会 (Japanese Society of Pedology)
, 国際土壌科学会(International Society of Soil Science)
, 日本粘土学会 (The Clay Science Society of Japan)
, 米国土壌科学会(Soil Science Society of America)
, 日本土壌肥料学会(Japanese Society of Soil Science and Plant Nutrition)