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| You're spot on in noting that RM43 contains 43.68% glyphosate and 0.78% imazapyr. While glyphosate acts as a post-emergent herbicide, imazapyr contributes residual control by remaining active in the soil for extended periods.
According to the RM43 label, the product provides total vegetation control and can prevent weed growth for up to one year. However, it's important to note that RM43 isn't a traditional pre-emergent herbicide it doesn't directly prevent seed germination like products specifically designed for that purpose. Instead, it kills existing vegetation and inhibits regrowth.
Regarding rainfall, the label explicitly cautions against applying RM43 on slopes or areas where runoff might occur, as rainfall can cause movement of the chemical, potentially harming desirable plants downhill.
Short answer: RM43 is effective for lasting vegetation control around grain bins or driveways, but use caution to avoid damage to nearby vegetation due to runoff.
You can check out the detailed RM43 product label here. https://labelsds.com/images/user_uploads/RM43%20Label%2010-1-22.pdf?... | |
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RM43 Total Vegetation Control ?
