Summary and Implications
Sulfur deficiencies have been shown to be associated with reduced alfalfa production. This paper documents this problem in NE IA, presenting research over the past 2 years, and provides recommendations for plant analysis as well as appropriate sulfur supplementation strategies.
Iowa State University
Lang, Brian J.; Sawyer, John E.; and Barnhart, Stephen K.
"Dealing with Sulfur Deficiency in Northeast Iowa Alfalfa
Animal Industry Report:
AS 653, ASL R2202.
Available at: http://lib.dr.iastate.edu/ans_air/vol653/iss1/28