[Facility for treatment of night-soils attached to individual houses in Japan and the effect of the effluent from the facility on the pollution of rivers in Kumamoto city. 3. Pollution of rivers in Kumamoto city from 1964 to 1968].
D002713:Chlorine / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007564:Japan; D009584:Nitrogen / Q000032:analysis; D010100:Oxygen / Q000032:analysis; D012621:Seasons; D012722:Sewage; D013696:Temperature; D014876:Water Pollution / Q000032:analysis*
D012722:Sewage; D002713:Chlorine; D009584:Nitrogen; D010100:Oxygen