Lesson 34. Agricultural Phosphorus Management Protecting Production and Water Quality

Animal Manure Management February 14, 2011 Print Friendly and PDF

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LPES Curriculum

The LPES Curriculum CD available from MWPS contains all lessons at print quality resolution, is searchable, and includes an index and PowerPoint presentations for each lesson. A full, printed version is available as is a 2-CD set of the lessons in PageMaker format. For more information or to purchase LPES materials, contact MWPS by phone at 1-800-562-3618, by fax at 1-515-294-9589, or by e-mail at mwps@iastate.edu

View Lesson 34 (PDF file). Individual sections can be accessed below.

Intended Outcomes

The participants will

  • Recognize the role of phosphorus (P) in controlling eutrophication.
  • Identify what happens to phosphorus in soil when it is added via manure and fertilizer.
  • Learn what practical farming measures can be used to minimize phosphorus loss.
  • Target cost-beneficial best management practices, understand how water moves within a landscape, and learn where large sources of phosphorus exist.
  • Review innovative products and measures being developed to help producers manage phosphorus.



The participants will

  • Determine the risk associated with high soil Phosphorus.

Author: Andrew Sharpley

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.