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Handout
Other

How Do Herbicides Work?

For Students 9th - 10th
What is a herbicide? How do herbicides work? What are the target sites for herbicides? Why do herbicides kill plants? What are some selective and non-selective types of herbicides? These questions are answered in this informative site.
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Handout
NC State University

Postemergence Herbicides

For Students 9th - 10th
This competent site lists a number of postemergence selective and non-selective herbicides, their characteristics, and uses.