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Promoting Research Education and Awareness of Weeds in Managed and Natural Ecosystems Weed Science Society of America WSSA Journals Weed Technology Weed Science Invasive Plant Science and Management WSSA Newsletter 2026 Annual Meeting February 5 13 2026 Raleigh Marriott Crabtree ValleyRaleigh North Carolina Students Headlines Topple Weeds with a PREPOST Combo Study shows that a preemergence and a postemergence herbicide combination provided the best weed control outcome for early planted soybean WESTMINSTER more WSSA Celebrates NAICCs Service to Agriculture Award for Bill Chism The prestigious award recognizes Chisms dedicated service and leadership beneficial to crop and research consultants and to the American farmer WESTMINSTER more National Pesticide Safety Education Month Spotlights Resources to Support Safe Pesticide Handling and Use Environmental safety and agricultural worker protection is the goal WESTMINSTER more JOIN RENEW CONTRIBUTE NOMINATE FOR AWARDS CONTACT US WSSA is a nonprofit professional society promoting research education and awareness of weeds in managed and natural ecosystems Mailing Address Email Business Officeemailprotected Membership Membership includes full access to the WSSA journals. Learn more Follow Us . .