Farmers attending the Row Crop Short Course at Mississippi State University Extension Service learned about the potential benefits of double cropping corn and soybeans. Michael Plumblee from Clemson University presented data showing the risks and rewards of implementing this system, which is not commonly practiced in Mississippi. Plumblee emphasized the importance of timing, irrigation, and residue management for successful double cropping. Despite higher direct expenses related to an early corn harvest, the total profit per acre from double cropping corn and soybeans was higher than growing them individually. Plumblee suggested planting corn early in March and selecting the best soybean variety for yield, regardless of maturity group. Soybeans should be planted as early as possible, but not later than early August, with a high seeding rate to maximize yield. Harvesting soybeans late in the year poses risks of frost and tropical weather, but it can reduce irrigation costs. Erick Larson, an MSU Extension specialist, noted that this research pushes the possibilities for double-crop soybeans beyond the traditional wheat rotation. While economic factors may influence adoption, the potential benefits of double cropping corn and soybeans are significant for increasing income on the same acreage. It is essential to continue exploring innovative solutions to challenges in row crop agriculture to enhance efficiency and effectiveness.
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