It is crucial to have a good cover crop establishment when weed management is the main goal. A good, well-established cover crop stand promotes biomass production, which is the key to weed management. Drilling is the most commonly used and effective method to seed cover crops and get adequate amounts of biomass. However, there is limited time in some cropping rotations after cash crop harvest but before the start of cold weather to plant a cover crop and get it established. Corn and soybean growers often struggle to get a cover crop planted or find themselves limited to growing cereal rye, which tolerates the latest planting of any cover crop due to its hardiness and fast growth. However, interseeding (either with a specialized drill or an air seeder) can expand the cover crop planting window by allowing a grower to plant before cash crop harvest. Successfully interseeded cover crops provide similar levels of weed suppression as drilled cover crops. In this video you can see how and when to use a drill interseeder to establish cover crops and start managing weeds AHEAD OF CORN HARVEST.
Collaborator: John Wallace, Penn State University
Video: Claudio Rubione, GROW
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