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Competency Area 2: Weed Management

PO 14. Recognize how weed life cycles and growth habit impact choice and timing of control

Weed control measures (methods) limit weed infestations so that crops can be grown profitably or other operations can be conducted efficiently. Control efforts should exploit biological differences between crops and weeds and should increase competitiveness of crops in comparison with weeds. A successful control program should involve two or more methods of control since relying on only one often results in failure. See also details under PO. 20, especially for postemergence applications.