Bioavailable P Credits in Payment for Pounds Program

Project Staff: 

Principal Investigators: Dave Mulla, Professor, Department of Soil, Water, and Climate; and Patrick L. Brezonik, Professor, Department of Civil Engineering

Funding: 

Minnesota Pollution Control Agency

Project Duration: 

July 1998 - June 1999

Summary: 

The objectives of this project were to i) determine the relationship between soil physical and chemical characteristics and desorbable phosphorus for soils of the Minnesota River basin, ii) determine the relationship between phosphorus sorption saturation, soil physical and chemical characteristics, and dissolved phosphorus in runoff for soils of the Minnesota River basin, and iii) determine the relationship between bioavailability of phosphorus, soil physical and chemical characteristics, and phosphorus sorption capacity for soils of the Minnesota River basin.