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thistles and poion ivy

How can I get rid of thistles and poison ivy in field?
Submitted by BHGPhotoContest

The best option is to spot spray them with glyphosate (RoundUp) when they are actively growing. Glyphosate will kill other plants it comes into contact with, too, so avoid getting it on other plants that you want to save. It has no activity in the soil, however, so it's quite safe in that regard.

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