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Soybean Relative Maturity, Not Row Spacing, Affected Interseeded Cover Crops Biomass

Including cover crops in corn or soybean cropping systems provides soil cover, increases biodiversity and soil organic matter, utilizes available nutrients by preventing leaching, and may increase growth and yield of the following crop. By growing an early-maturing soybean, it may be possible to give the cover crops more time in the fall to establish and grow. In addition, wider soybean rows are expected to allow more of the sunlight to penetrate the canopy. Interseeding can be done by direct seeding in between the rows with specialized equipment or broadcasting the cover crop seed before the main crop matures. Seeding before the main crop is mature gives the cover crop some additional time to grow before the fall-killing frost.

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