Northwest and Allee Research and Demonstration Farm
Twenty varieties were included in the 2001 barley test at Calumet, Iowa. Each variety was sown in three different plots in order to average soil variability effects. The varieties were planted April 18 at a rate of 2 bushels/acre. All barley plots were harvested on July 30.
Iowa State University
Skrdla, Ronald and Jannink, Jean-Luc, "Barley Variety Test" (2002). Iowa State Research Farm Progress Reports. 1608.