- Author: Cheryl A. Wilen
Published on: December 14, 2016
A few months ago I wrote about starting some tests looking at various postemergence herbicides for non-crop use, (see Just started new tests of contact herbicides). This project was initiated due to new ordinances some cities in southern California were considering or adopted that limited the use products containing glyphosate on city owned property. I changed up some of the products from the original test I did and repeated some others.
Some are listed as organic and some are organic but not be organically approved by a certifying agency e.g. OMRI. One is listed as a biopesticide...
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