|How long does Roundup & 24D remain in the soil? Comm.Garden is covered w/ bindweed. Control other than Roundup or 24D? We want to use organic controls if possible & gardeners are afraid to use R.& 24D|
|2,4-D has low soil persistence. The half-life in soil is less than 7 days. Soil microbes are primarily responsible for its disappearance
Round-Up (Glyphosate) generally does not move into the soil but remains in the root system of the targeted plant. Typically it degrades in 1-7 days.
Field Bindweed can be controlled by hand pulling/digging the roots. There are some vinegar based weed control products which are generally accepted by organic growers. Here, in order of efficacy, are the products recommended for bindweed control:
BurnOut Weed and Grass Killer, Nature?s Glory Weed and Grass Killer, Greenergy?s Blackberry and Brush Block, Alldown Green Chemistry Herbicide, Ground Force,
Matran II, Xpress.
If these products do not produce the desired results, you might consider spot treating with Round Up.
Best wishes with your eradication project.
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