Northwest and Allee Research and Demonstration Farm
Sixteen varieties were included in the 2003 barley test at Calumet. Each variety was sown in three different plots in order to average the effects of soil variability. The varieties were planted April 2 at a rate of 2 bushels/acre. All barley plots were harvested on July 29.
Iowa State University
Skrdla, Ronald and Jannink, Jean-Luc, "Barley Variety Test" (2004). Iowa State Research Farm Progress Reports. 1360.