About HARADA KAZUHIRO
About 兵庫県農林水産技術総合セ 水技セ
About 瀬戸内海
About culture(fisheries)
About water quality control
About water quality management
About Hyogo prefecture
About sewage treatment plant
About operational control
About denitrification(soil)
About nitrification
About nitrogen
About marine pollution
About treated sewage
About nutritive salt
About quality control
About laver culture
About discoloration
About Water quality control
About Biological treatment of sewage and wastewater
About Aquaculture in general
About Marine algae(=seaweeds)
About 瀬戸内海
About 水質
About 保全
About 観点
About 漁場
About 栄養塩
About 下水処理場
About 試み