average cost of hay bales
DAP, and 78.09 pounds of AN, per ton of hay, would need to be added, at a cost of. $31.11 per ton of hay. The maintenance cost at $31.75 per 1,200Â­pound round bale, expressed on a perÂ­ton basis, is $52.92 per ton of hay. When the maintenance and. nutrient replacement costs are dded together, the cost per ton of grass hay will equal. $84.03.