About SHIONO Takahiro
About National Agricultural Res. Center for Kyusyu Okinawa Region, Kumamoto, JPN
About YAMAMOTO Nobuyuki
About Okinawa General Bureau, Okinawa, JPN
About HARAGUCHI Noburo
About National Agricultural Res. Center for Kyusyu Okinawa Region, Kumamoto, JPN
About YOSHINAGA Anshun
About Univ. Ryukyus, Okinawa, JPN
About Okinawa prefecture
About sediment
About runoff
About zonal soil
About grain size dependence
About Gramineae
About soil conservation
About soil management
About soil erosion
About common centipedegrass
About red soil
About 草生帯
About Agricultural engineering
About Soil management
About 沖縄
About 堆積物