7 – Production-Economics PDF Resources Comparing Input Costs for Alfalfa and Grass Crop Production Costs Iowa Custom Machinery Rates, 2007 Pennsylvania Field Records Hay Budget Iowa Machinery Cost Estimates 2013 Machinery Cost Estimates 2015, Lazarus Machinery Cost Worksheet Pennsylvania Custom Machinery Rates 2014 Pricing Standing Hay Websites for Machinery Rates What is Haylage Worth