CULT: ammonium sulphate as a weed killer
- Subject: CULT: ammonium sulphate as a weed killer
- From: R* M*
- Date: Sat, 7 Apr 2001 12:32:45 -0400
I found the following in the Mallorn archives:
--- In iris-talk@y..., "Mike Sutton" <suttons@l...> wrote:
> For anyone who is interested we have just finished a weed control
test. Using 1.5 pounds of Ammonium Sulfate (a common fertilizer) to
1 gallon of warm water. The solution killed all weeds sprouts under
1" tall and severly burned weeds between 1" and 2". Established iris
were not affected. Bloom season will tell if the flowers were
affected. (highly doubt it). Nice alternative to weed killers.
> Mike Sutton
> Porterville, CA USA
> USDA zone 8b
How much area does one recipe of this mixture cover?
Was it tried on TB, or only other types of iris?
Has anyone seen problems from doing this on TB?
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