MACHDATA.xls	Machinery cost calculator and database that accompanies the extension publication Machinery Cost Estimates and contains the input data used.
REPAIRCOST.XLS	Machinery repair cost calculator. See also a Forage Focus article about the repair cost calculator. Download Paper (REPAIR_CHECK.pdf)
DIGESTER_ECON.xls	Tool for doing rough initial calculations of annual costs and returns to be expected from owning and operating a methane digester on a dairy farm. Developed under a project funded from the Minnesota Environment and Natural Resources Trust Fund.
MANURWKST	Addresses questions related to the economic value of livestock manure (with Bob Koehler, retired extension educator, U of MN Southwest Research and Outreach Center). This is a link to a spreadsheet and to Bob’s website Manure Application Economics with a news release, PDFs of presented papers, Powerpoint slide sets, and hand worksheets.
CROPBUD.xls	Crop enterprise budget spreadsheet with projected 2010 costs and returns for corn grain, soybeans, wheat, corn silage, alfalfa hay, and energy crops. See also the accompanying report Minnesota Crop Cost & Return Guide for 2010 (pdf)
HAYCUTDATE.xls	Spreadsheet for looking at how cutting date affects yield, quality and profitability of a hay crop. See also the accompanying article How Cutting Date Affects Yield, Quality and Profitability of a Hay Crop (pdf)
PIGNET.xls	Accompanies Swine Production Networks in Minnesota: Resources for Decision Making (pdf), Staff Paper P96-4 by Bob Koehler, Bill Lazarus and Brian Buhr, Department of Applied Economics, University of Minnesota, St. Paul, MN 55108, Revised December 1996.

Please note: These spreadsheets contain macros. For the macros to operate properly, the Excel macro protection feature must be set to Medium or Low, NOT High. To change that setting, select Tools, Options, and then Security. Click on the Macro Security button at the bottom to make that change.