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Is it possible to eradicate puncture vine by sterilizing the soil with solar energy through plastic or glass?
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It is possible to eliminate some of the seeds of the puncture vine with a good solarization. Cover the area with a clear plastic in the hot months of July and August for the best results. However, if some of the weed seeds are deep into the soil, below the area effected by the solarization, they may not be killed. Puncture vine is a very poor competitor in reality. The best way to control this weed is to plant the area with a healthy crop, lawn, or ornamental planting. Puncture vine will not grow in shade or compete with other healthy plants. A registered pre-emergent can also be used in non-crop areas.
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