This article by William Edwards, an economist (retired) with Iowa State University Extension and Outreach, details custom farming as an alternative to traiditional leasing.
In typical arrangements, the custom operator agrees to perform all the machine operations on the owner’s land in exchange for a set fee or rate. The landowner pays for all seed, chemicals, and other inputs, and keeps all of the crop and commodity payments.
Read the full article on Iowa State University's Ag Decision Maker.