Amend the soil based on the recommendations from the soil analysis.
Amend your soil with organic material first (either homemade compost or purchased certified compost). Then submit a soil sample to determine the pH and nutrient content of your soil. The N.C. Cooperative Extension center in your county can provide a soil test kit to have your soil analyzed and obtain specific recommendations for growing vegetables. Amend the soil based on the recommendations from the soil analysis.