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.
Stem-walls are foundation systems constructed in three components; a spread footing to transfer load to the underlying soil, a (typically) masonry foundation wall, and a poured slab. Advantages of stem-wall foundation systems include: 1  less fill required for sloped lots (the foundation wall can built at different heights to accommodate a sloped lot) 2  a greater free-board distance from the top of slab to the surrounding grade of the lot can be accomplished giving the home a more pronounced appearance.
Poured foundation walls can typically be constructed much more quickly than concrete block based foundations, thus saving both time and money. The complete process of installing concrete forms, pouring the concrete, and breaking the forms down can take as little as 2 or 3 partial days of work.Poured concrete foundations are usually 6-10 inches thick and joint-free, unlike concrete block walls.Consequently they are considered to produce stronger and drier foundation walls, critical for basement walls.tandard concrete blocks contain hollow cells designed to support rebar / steel reinforcing rods, as well as poured concrete/mortar, to maximize wall strength. Besides the standard size concrete block there are a number of alternative sizes, shapes, textures and color tones to choose from.