Spreading Manure In Winter. What Are the Risks?

Animal Manure Management January 09, 2014|Print

This archive was recorded from a live presentation at the 2011 North American Manure Expo. Kevan Klingberg, University of Wisconsin Discovery Farms discusses how application of manure nutrients on frozen and snow-covered soils became such a hot issue. He also explains their research program that monitors surface water quality on commercial farms.  Lastly, he discusses the results of the research and how that information is being used to make management decisions on farms.  Note: The recording volume was set high on these segments. Start with your speaker volume on low and move it louder if needed.  Originally broadcast July 20, 2011.

Public View Of Winter Manure Application

 (6 minutes). This segment discusses how public opinion (in Wisconsin) regarding manure application on frozen or snow-covered soils was shaped. Kevan also discusses the  Discovery Farms research project.

PowerPoint slides

What Are the Riskiest Times For Spreading Manure in Winter?

(9 minutes). On-farm water quality monitoring combined with weather station data give a clear picture of when runoff is occurring. Surprisingly, it is only a few weather events that contribute a large percentage of the runoff each year. The good news for farmers is that by avoiding manure application at these risky times, they can greatly reduce the risks of runoff.

How Do We Reduce Risks of Winter Manure Spreading?

(12 minutes) What are the practical management recommendations farmers should follow when deciding whether or not to spread manure on frozen or snow-covered soil?

More Information

Wisconsin Manure Advisory System

Wisconsin Discovery Farms

North American Manure Expo

 

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