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Carryover of Common Corn and Soybean Herbicides to Various Cover Crop Species

According to a survey of cover crop users in the United States, the second biggest challenge to the adoption of cover crops is successful establishment in a corn or soybean production system. Additionally, certain residual herbicides applied in a corn and soybean rotation have the potential to carry over in the soil and inhibit successful establishment of fall-seeded cover crops, few studies have examined the potential of these carryover effects. Therefore, the objectives of this research were to determine the potential of common corn and soybean residual herbicides to reduce stand densities and biomass of subsequent fall-seeded cover crop species.

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