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September 29, 2016 at 9:33 am #211143
Eric Vinje
Keymaster

Hi Mark –

According to the USDA’s National List of Allowed Substances elemental sulfur — the active ingredient used in a sulfur burner — is allowed for plant disease and mite control in organic crop production.

View the National List of Allowed and Prohibited Substances here.

To stay current with the NOP guidelines that may affect a materials organic status/or a materials use, organic growers should check the USDA National Organic Program website for updates.

Hope this helps!