Effects of Crop Rotations, Winter and Summer Cover Crops, and Minimum-till on Pepper and Sweet Corn Production

in HortScience
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  • 1 1Horticulture Department, University of Georgia, Tifton, GA 31793
  • | 2 2Horticulture Department, Clemson University, Tifton GA 31793
  • | 3 3Departments of Horticulture, Tifton GA 31793
  • | 4 4Soil Science, North Carolina State University, Tifton GA 31793
  • | 5 5Computer and Statistics Center, University of Georgia, Tifton GA 31793

Pepper and sweet corn were tested in a rotation with crimson clover and velvet bean (Mucuna pruriens) cover crops at different locations in Georgia, North Carolina, and South Carolina from 1995 to 1996. Vegetable production with minimum-till following the cover crops was compared with two different conventional methods (following rye cover or fallow). All minimum-till/cover crop treatments caused reduction of total number of pepper fruit, compared to the conventional methods. Effects on premium grade (Fancy + U.S. #1) were similar to the effects on total fruit. The highest percentage of premium grade was produced by both conventional methods in 1996. Sweet corn responded similarly to these treatments in 1995. However, in 1996, clover plots had corn yields nearly as good as the conventional plots. As in bell pepper, plots with velvet bean cover produced lower yield in 1996. Treatment effects on number of marketable corn were the same as the effects on total ears produced.

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