Fig. 2. Median concentration of soluble nutrients and suspended solids in drainage water leaving three agronomic watersheds and that collected at the USGS Waterville station in the Maumee River during a 32-month period between 1970 and 1972.
Fig. 2. Median concentration of soluble nutrients and suspended solids in drainage water leaving three agronomic watersheds and that collected at the USGS Waterville station in the Maumee River during a 32-month period between 1970 and 1972.