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![Utah State University Cooperative Extension fact sheet](https://www.sare.org/wp-content/uploads/Constructing-a-Low-Cost-High-Tunnel-123x150.jpg)
Constructing a Low-Cost High Tunnel
Specs, diagrams and photos of high tunnel construction, by Utah State University Cooperative Extension.
![download the in-house composting in high-rise fact sheet in PDF format](https://www.sare.org/wp-content/uploads/04AGI2005-114x150.gif)
In-House Composting in High-Rise, Caged Layer Facilities
This fact sheet describes research on composting manure inside of the buildings housing laying hens. Research showed that the addition of a carbon source coupled with frequent aeration of compost in a layer house produced temperatures high enough to inhibit fly reproduction in the material, and odor problems are diminished.