Research studies by the USDA and the state agricultural experiment stations have helped to pinpoint the forces that have been operating in the land market, both as to their existence and the nature of their effects.
Blase, Melvin G.
"What Governs Farm Land Prices?,"
Iowa Farm Science: Vol. 15
, Article 3.
Available at: http://lib.dr.iastate.edu/farmscience/vol15/iss4/3