If you're short on farm machinery or labor capacity or if you have an excess of these two items, fa rm custom work offers an opportunity to reduce your machinery costs in any given year. This article tells how to do it.
Armstrong, Ray E.
"Farm Custom Rate Guide for 1960,"
Iowa Farm Science: Vol. 14
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol14/iss7/5