Iron Chelate vs Iron Sulfate

Discussion in 'Turf Renovation' started by EdTLawn, May 3, 2010.

  1. EdTLawn

    EdTLawn LawnSite Member
    Messages: 77

    I am able to find 7% iron chelate and 21% iron sulfate locally. Which is the better of the two for greening of lawns ? Iron sulfate is also 3-4 times cheaper as well.

    I read that chelate is faster in greening, but less duration than sulfate.
  2. cgaengineer

    cgaengineer LawnSite Fanatic
    Messages: 15,777

    Iron sulfate is really for killing moss. I have tried sulphate and did not experience any noticeable green-up.
    Last edited: May 3, 2010

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