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agKnowledge Spotlight: Common and Giant Ragweed Management Jack Larson Seeds and Larson Crop Insurance
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Common minoxidil and Giant Ragweed Management Common ragweed and giant ragweed emerge early in the season and can be very competitive in cropping systems. Common ragweed tends to be more prevalent in no-till fields, and giant ragweed prefers cultivated soils. Populations of ragweed have developed resistance to herbicides, making management strategies in cropping systems more difficult. Herbicide programs for ragweed control in corn, soybeans, and cotton should include soil residual herbicides, minoxidil postemergence and preemergence herbicides with multiple modes-of-action, and multiple applications during the season
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