View Usa soil conservation service PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Usa soil conservation service PowerPoint presentations. You can view or download Usa soil conservation service presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.
Soil Conservation Service Runoff Equation. where Q = runoff (in.) P = rainfall (in.) I a = initial abstraction (in.) S = potential maximum retention after runoff begins (in.).
Soil Conservation. Improving the soil. If there are two types of soil degradation … Soil erosion Loss of fertility … What methods can we use to conserve the soil ? How do we prevent ? Soil erosion Loss of fertility
Soil Conservation. Soil provides minerals and nutrients for plants. All animals get energy from plants, since all food chains start with plants as producers. Importance of Soil. Soil is full of many living things, such as bacteria, fungi, worms, insects and small mammals.
Soil Conservation. Section 3 Ms. Musich. Activating Prior Knowledge. Think of an area of land that has a wide are of dirt like a construction site or a vacant lot… . What do you think happens to an area like this when it rains? What is the water like that runs off the area?
Soil Conservation. 6 th Grade Science. Soil Erosion. The wearing away of soil Loss of soil. Natural Causes of Soil Erosion:. Wind Water (rain) Gravity (hills, mountains) Ice (glaciers, cold temperatures). Other Causes of Soil Erosion:. Farming Mining Construction.
Soil Conservation. I. Value A. Everything that lives on land depends on soil. 1. Plants need soil to grow. 2. Animals eat plants (or other animals that eat plants) to live. B. Soil is renewable, but it takes a long time to form. 1. Hundreds of years for a few centimeters.
Soil Conservation. Soil conservation -. is the management of soil to prevent its destruction. Soil can be conserved through : A), B) and C). contour plowing. A)____________________.
Soil Conservation. 6.E.2.4 Conclude that the good health of humans requires: monitoring the lithosphere, maintaining soil quality and stewardship.
Soil Conservation. Erosion. Two billion tons of U.S. soil lost annually Improved from Five billion tons in 1982 Conservation programs and voluntary conservation tillage practices Tolerable losses (rule of thumb) at most – One to five tons/acre annually Missouri 5.6 tons/acre (1997 data).