Ammonia Emission Control
for Dry Manure Storage Practices -
Composting
| Pro |
Con |
| Value-added product if market available |
Can be labor, equipment and management intensive to keep compost time down |
In open lot facilities and facilities that store dry manure, ammonia
control can be a greater challenge. Ammonia loss during composting
depends on the carbon to nitrogen (C:N) ratio; ammonia volatilization
is significant below 15:1. Increased use of bedding will help maintain
a higher C:N ratio but also results in a dryer product that will
not compost as readily without the addition of moisture. Application
of a layer of 38 percent zeolite, placed on the surface of composting
poultry manure, reduced ammonia losses by 44 percent.
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