Ag Engineering/Agronomy, Central Iowa and BioCentury Research Farms
Sulfur (S) strip trials were conducted by ISU Extension field agronomists Brian Lang, George Cummins, and Mark Wuebker; Heartland Co-op; Innovative Ag; Five Star Co-op; Calcium Products, Inc; and cooperating growers.
Iowa State University
Sawyer, John E.; Barker, Daniel W.; and Lang, Brian J., "Summary of Sulfur Strip Trials Conducted in Central and Northeast Iowa Preliminary 2009 Results" (2010). Iowa State Research Farm Progress Reports. 321.