The National Turfgrass Evaluation Program (NTEP) conducts trials throughout the United States on turfgrass adaptation. This trial was established in September 2011 as a part of the NTEP program. It contains 82 Kentucky bluegrass cultivars.
Christians, Nick and Strey, Dan
"NTEP Kentucky Bluegrass Study 2015,"
Farm Progress Reports: Vol. 2015
, Article 49.
Available at: http://lib.dr.iastate.edu/farmprogressreports/vol2015/iss1/49