Site selection is a key consideration in growing tomatoes. Plant tomatoes only in a sunny location, one which gets at least 6 hours of full sun a day during the growing season.
Tomato production is reduced according to the amount of time the tomato plant is shaded.
Tomatoes produce well on a wide range of soils, but best yields are usually made on deep fertile loams and sandy loam soils. Almost any soil can be modified through the use of organic matter, lime, and fertilizer used according to soil test results. Avoid planting tomatoes on extremely sandy soils or heavy clay soils that are difficult to manage when dry. Select an adapted variety and reject any plants with signs of nematodes and diseases. There are dozens of good tomato varieties, but it's best to pick a recommended variety.