Spreadsheet Decision Tools

Crops & Machinery

MACHDATA.xlsm Machinery cost calculator and database that accompanies the extension publication Machinery Cost Estimates and contains the input data used. (contains macros and requires Excel 2007 or later.)
Hybrid Poplar Economics Workbook.xlsm Hybrid Poplar Economics Workbook (external link to U of MN Natural Resources Research Institute)
WIDE_ROW_ECON.xlsm Analysis of wide corn rows with a cover crop

Livestock & Manure Handling

MANURWKST and related files Addresses questions related to the economic value of livestock manure and costs of hauling and applying it (with Bob Koehler, retired extension educator, U of MN Southwest Research and Outreach Center). This is a link to several spreadsheets with a news release, PDFs of presented papers, Powerpoint slide sets, and hand worksheets.