Each vegetable crop grows best in its own range of temperatures. The optimal temperature range for peppers and eggplants, for example, is 70Â° to 85Â°F; pollination will not occur if the night temperature falls below 55Â°F, and blossoms may fall if the temperature rises above 85Â°F.ach vegetable crop grows best in its own range of temperatures. The optimal temperature range for peppers and eggplants, for example, is 70Â° to 85Â°F; pollination will not occur if the night temperature falls below 55Â°F, and blossoms may fall if the temperature rises above 85Â°F.
Slab Foundations. The two basic types of slab foundations are the monolith and the stem wall. Monolithic foundations are poured as a single form, with the outside edge, about the width of the wall, being 10 to 12 inches deep and the center of the slab typically 4 to 6 inches deep. A stem wall foundation is poured in multiple parts.
Foundation walls are usually 8 or thicker and extend from the top of the footings to the base of the building. A slab, poured inside the foundation walls forms the floor or subfloor of the building and can support interior partitions. The three concrete components: footing, foundation wall and slab, are usually built at three different times.