About HANAYAMA SUSUMU
About ANNAKA TAKEYUKI
About 農業農村工学会論文集
About paddy field
About algae
About impounding
About convection
About control equipment
About oxygen consumption
About test
About paddy water
About attached algae
About Agricultural engineering
About 田面水
About 対流
About 藻類
About 酸素消費
About 実験