Factors affecting the concentration of faecal bacteria in land-drainage water.
D000818:Animals; D001681:Biological Assay; D004926:Escherichia coli / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology; D010101:Oxygen Consumption; D012988:Soil Microbiology; D013552:Swine; D013997:Time Factors; D014871:Water Microbiology; D014876:Water Pollution / Q000032:analysis