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Controlling tsetse with targets
What materials should I use to support the target?
You can use sticks or steel.
In Zimbabwe the most cost-effective posts are made of mild-steel tube, 18mm in external diameter, with wall thickness of 1mm. Steel posts are best knocked in with a tube hammer.
Sticks and steel
It is sometimes difficult to extract the steel tube from the ground. In anticipation of this problem it can be helpful if, prior to knocking in, a hole of 6-8mm in diameter is drilled through the side of the tube, about 2cm from its top end. A hooked steel rod can then be inserted into the hole to give a purchase at extraction time.
Length of posts
The best policy for determining the anchorage requirement in your particular area is to run preliminary field trials with posts of assorted length.
If the post is for targets, bear in mind that the target cloth should
be supported so that its base is about 15cm off the ground, where it will
be relatively free of termite attack, mud splashes and regenerating grass
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