Making hay in the barn isn’t exactly new. But only a few farmers have equipment for doing it. This method of making hay—curing it in the mow—was tried more than 10 years ago by the Tennessee Valley Authority.
Barger, E. L. and Shedd, C. K.
"Curing Hay in the Barn,"
Farm Science Reporter: Vol. 7
, Article 2.
Available at: http://lib.dr.iastate.edu/farmsciencereporter/vol7/iss2/2