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Phosphorus Removal Structures
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Video: Brief introduction to P removal structures

The P-TRAP software allows a user to design different types of phosphorus removal structures based on site conditions, phosphorus absorbing material characteristics and structure parameters. The P-TRAP software allows users to explore different designs to meet performance goals for P removal amounts and material lifetime. A database of P absorbing material characteristics is included based on previous laboratory experiments.

Proceed to the P-TRAP website by clicking on the link below.

P-TRAP Software Website

Please cite use of P-TRAP in one of two ways:

Penn, C. J., Frankenberger, J., & Livingston, S. (2021). Introduction to P‐TRAP software for designing phosphorus removal structures. Agricultural & Environmental Letters, 6(1), e20043. 

Penn, Chad; Frankenberger, Jim (2020). P-TRAP Phosphorus Transport Reduction App. National Soil Erosion Research Lab. https://data.nal.usda.gov/dataset/p-trap-phosphorus-transport-reduction-app

For additional information contact Chad Penn: chad.penn@usda.gov