How to Amend Soil for Tomatoes

Tomatoes grow well in most climates during the summer months if provided with good quality soil and the right amount of nutrients. These plants thrive in soil that is rich in organic matter, which provides a natural source of nutrients, retains moisture and offers adequate drainage. Although naturally good soil is preferred for tomatoes, you can help almost any type grow an abundant crop by using the proper amendments.

Soil test kit
Lime
Spade or tiller
Straw or plastic mulch
Compost
6-24-24 Blend slow-release fertilizer

Instructions

- 1
  Test the soil acidity during the fall before beginning your garden. Follow the directions in a purchased kit or arrange for testing through your county extension office.
- 2
  Add lime to the soil in the amount recommended by the soil test results to bring the soil pH level to a reading between 6.5 and 7.0. Work the lime into the top 8 to 10 inches of soil with a tiller or spade.
- 3
  Cover the garden bed with a 2-inch layer of straw mulch or a sheet of plastic mulch. The mulch prevents weed growth in the garden bed during the winter and early spring.
- 4
  Remove the mulch from the bed one week before transplanting the tomatoes. If you used straw mulch, till the mulch into the bed instead of removing it, if desired.
- 5
  Spread a 2- to 4-inch layer of compost over the tomato bed. Apply 1 lb. of 6-24-24 blend slow-release fertilizer per 100 square feet of bed, laying it on top the compost.
- 6
  Turn the compost and fertilizer into the top 6 to 8 inches of soil with a tiller or spade. Turning the amendments into the soil pushes them into the root zone where the tomato plants can access the nutrients.

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