Farm size in Iowa is increasing in acreage as well as in other dimensions. Here's a look at what's happening and at some of the many reasons and forces- both within and outside of agriculture- behind it.
Wunderlich, Gene and Timmons, John F.
"Iowa Farm Size Continues Up!,"
Iowa Farm Science: Vol. 11
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol11/iss4/2