Things are getting more complicated all the time. The Agricultural Act of 1949, passed last Octobber, is an interesting mixture of varied elements. It went into effect January 1. It provides different treatments for different crop and different treatments for different years in the near future.
"The New Farm Price Law,"
Iowa Farm Science: Vol. 4
, Article 4.
Available at: https://lib.dr.iastate.edu/farmscience/vol4/iss7/4