Gypsum as a Best Management Practice for Reducing P loss from Agricultural Fields


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Purpose

Phosphorus loss from agricultural fields fertilized with poultry litter may contribute to eutrophication of nearby rivers, lakes, and streams. It has been suggested that gypsum can be used as a soil amendment to reduce P loss from these fields. Also, a new USDA-NRCS National Conservation Practice Standard 333 “Amending Soil Properties with Gypsum Products” has recently been created to promote conservation through gypsum use.…