Japanese knotweed.

This is the method we currently use for control of Japanese knotweed  on the 10th tee and will carry out on the 6th tee when the timing is right.

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http://www.steminjectionsystems.com/how-it-works
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Picture above shows the Japanese knotweed by the 10th tee on 13th August 2011 after week 1 of injection.
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Week 2
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Week 3
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Week 4

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