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Name: Fred
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Question:
Some "moss killer" products contain FeSO4. How does this work ? Why does it not kill the grass ?


Replies:
Dear Fredy,

The following page should be helpful:
http://www.urbanext.uiuc.edu/lawntalk/lawntalk21.html

Most lawn grasses and other plants can benefit from iron fertilization. At the same time, the iron and additional nitrogen available after application are detrimental to mosses.

Sincerely,

Anthony R. Brach


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