Hiring custom work and machinery has become an important means of cutting machinery investment and cost on Iowa farms. It has become particularly advantageous on farms without a large acreage over which to spread fixed costs.
Yoerger, Roger and Hull, Dale
"Custom Rates for 1954,"
Iowa Farm Science: Vol. 8
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol8/iss8/5