A professional conference on weed science organized by the Weed Science Society of America, featuring researchers studying weed management and herbicide resistance.
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Common Myths about Poison Oak, Poison Ivy and Poison Sumac: WSSA Experts Separate Fact from Fiction

With summer temperatures luring us outdoors, scientists with the Weed Science Society of America (WSSA) say it’s a great time for refresher course on poison oak, poison ivy and poison sumac . . .

WSSA Herbicide Handbook

10th Edition

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