There are two basic beading techniques, the push method and the pull method.
2.
The pull method is exactly the opposite.
3.
Furthermore, because the push-pull method is not a very popular method of IPM operational and registration costs are higher.
4.
Some advantages of using the push-pull method are less use of chemical or biological materials and better protection against insect habituation to this control method.
5.
The train pulled five railroad cars and was powered in a push-pull method by two 1, 800-horsepower gas turbine engines, one in front and one in back, each controlled by a throttle.
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