The machinery used to operate a farm these days represents a substantial investment, and there's a tendency to "think big" in terms of machinery. But don't discount gains possible through improved machinery management.
Link, David A. and Barnes, Kenneth K.
"Is Bigger Machinery the Answer?,"
Iowa Farm Science: Vol. 13
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol13/iss8/3