Posted 1/31/2016 16:00 (#5077519 - in reply to #5077468) Subject: RE: ATS sulfer
St. Charles, MO & Piper City, IL
After application to soil, most of the thiosulfate quickly reacts to form tetrathionate, which subsequently converts to sulfate. Thiosulfate isn’t generally available for plant uptake until soil microbes convert it to sulfate. In warm soils, this process is largely complete within one to two weeks.