New product called poloxalene has been tested at Iowa State and Kansas State Universities and is the most effective preventive of legume bloat yet developed. It's now being marketed commercially.
Van Horn, H. H. and Jacobson, N. L.
"A New Preventive for B L O A T,"
Iowa Farm Science: Vol. 20
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol20/iss12/2