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Extension workshops on grid soil sampling for manure application

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University of Minnesota Extension is presenting workshops for livestock producers and ag professionals on the use of grid soil sampling to guide manure application. Grid soil phosphorus and potassium maps from Minnesota livestock farms are used to create manure application zones and manure exclusion zones within fields in order to maximize the economic value of the manure as a fertilizer replacement and minimize phosphorus in runoff. Determination of manure application rates and supplemental fertilizer where necessary are part of the demonstration and discussion. Eight case studies are posted on the UM Extension manure website, http://z.umn.edu/manure .

Since the number of workshops funded by the McKnight Foundation project grant is limited, we invite county feedlot officerss and NRCS/SWCD staff to attend one of the following workshops. The workshop presentation Powerpoint is available for those wishing to conduct their own workshops, and a few more workshops could be presented by Randy Pepin, UM Extension (pepin019@umn.edu).

Workshops have been held Feb. 12, 26, and 27. Remaining workshops and hosts are:.

March 5: 11 a.m., Lake Crystal American Legion, Diane DeWitt, UM Extension.
March 6: 1 p.m., Murray County Courthouse, Slayton, Mike Boersma, UM Extension.

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