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Trials demonstrate effective brush control using chemical herbicides in pine land, suggesting cost-efficient management solutions.
Several million acres of potentially valuable pine land are occupied by brush in the northern Lake States. Removal of the brush by cutting is too expensive to be practiced. Trials of chemical herbicides in northern Minnesota have given promising results in control of hazel1 brush. Results of these tests on the Chippewa National Forest are reposed here.
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Zehngraff et al. (1949) studied this question.
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