Tomatoes need calcium to achieve their full flavor potential. When planting tomato plants crush up (to powder) about 4 or 5 egg shells and put them in the bottom of the hole. Then plant tomato on top. They'll provide calcium and prevent blossom end rot.
Plant an edible forest garden. Make your garden more productive by exploring forest gardening. You can learn how to mimic a natural forest, and create a productive fusion of garden, orchard and woodland.