December 18, 2013
The Iowa Manure Management Action Group has issued the following best management practices for applying all sources of manure. Those rules include:
Do not apply manure in the winter.
If you have to apply manure in the winter, apply on the flattest slopes as far from water sources as possible.
Be sure to follow all separation distances. Even if you follow separation distances, a water quality violation may still occur.
Avoid application on areas that drain to surface tile intakes.
Do not apply manure in a grassed waterway
Store or stockpile manure in a manner that does not cause runoff
Do not apply manure immediately prior to a precipitation event, especially if the ground is frozen. This can cause the manure nutrients and pathogens to quickly move off-site and likely cause a water quality violation.
Do not apply manure on deep snow cover when warmer temperatures are forecasted. Rapid snow melt can also cause manure nutrients to move off-site quickly.
For more information on manure application procedures and other manure-related issues, visit the Iowa Manure Management Action Group website at
http://www.agronext.iastate.edu/immag/.
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