On-Farm Research Results
 Water Quality Impacts
of Headland-Stacked
Poultry Manure
The UW Discovery Farms Program investigated the potential for nutrients to move from headland-stacked poultry manure into waters of the state (surface or groundwater). Headland stacks are manure piles stored on bare soil at the edge of crop fields until the field is ready for application. Stacks are normally applied to fields within three months, but may remain in place for up to one year. Stacking -- while not unique to poultry and common on farms that haul daily or clean livestock lots -- is common in the industry because of the manure's high dry matter content.
This study began with proposals being developed and submitted to Wisconsin DNR in the fall of 2002 and was completed with the delivery of the final report in November of 2008. Staff from the Discovery Farms Program worked with Paul Kivlin of the Nutrient and Pest Management Program on the research, as well as the development of four factsheets, five popular press articles and the research reports. Below is a list of the information available from this study.
Special project photo tour - view here.
Information Available:
Discoveries on Headland Stacked Poultry Manure: 8 page summary as seen in Wisconsin's agricultural newspapers - download pdf (9.32 MB)
Briefs:
Two page articles summarizing the information gathered through each phase of the study. These articles include:
Factsheets:
Six-page factsheets that provide much of the information and data gathered through each phase of the study. These factsheets include the following topics:
Presentations and slides:
Over the course of the six year study, Discovery Farms was asked to provide updates to the industry and the Wisconsin DNR on what we were learning. The presentations include:
If you have questions or would like additional information on the Headland Stacking of Poultry Manure study, please contact us at:
UW Discovery Farms
40195 Winsand Drive
PO Box 429
Pigeon Falls, WI 54760
phone: 715-983-5668
jgoplin@wisc.edu
drframe@wisc.edu
paul.t.kivlin@uwrf.edu
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