PPT-Human Impact on Soil

Essential Questions How does human activity affect the soil on the Earths surface How can humans conserve our soil Standards S6E5i Explain the effects of human activity on the erosion of the earths surface. texturecourtesyNASA: (Getandsample)soilhorizonsmallthesprayLetthebetweenthemoisturethroughout.OncetheStepStep(TestIf the soil: handswhenrubbedandStep themediumribbon Human impact on the environment. In this lesson you will learn about:. the biological control of pest species. the use of GM crops as an alternative to using fertilisers and pesticides. Success criteria. The delicacy of clay crystals. Soil crumb structure. Do not abuse clay!. Add plenty of organic matter. Avoid over-cultivation especially rotary cultivation. Use lime of gypsum to improve structure. Use green manure or mulch to cover the surface. Are they different? and . Do they matter?. Susan Andrews, National Leader. Soil Quality and Ecosystems. National Soil Survey Center. August 9. , . 2012. Soil Quality Definitions. “fitness for use”. Objectives. Define: ammonification, ammonium, bulk density, . denitrification. , immobilization, leaching, mineralization, nitrate-N, nitrification, soil nitrogen fixation, volatilization. List and describe inherent factors that affect soil nitrogen. Objectives. Define: acidity, alkalinity, buffering capacity, soil pH. List and describe inherent factors that affect soil pH. Describe how to manage soil pH. Describe how soil pH affects soil function. Human impact on the environment. The impact of human activities and environmental health sometimes needs to be monitored.. This could be measuring abiotic factors such as O. 2. levels, pollution or by sampling of organisms.. s. oil test interpretation. Weston Miller, . OSU Extension Service. Preview of presentation. Safety precautions. General . soil quality assessment . How to take a soil test. What to test for. Interpreting results. Geochemistry and mineralogy of volcanic soils from Ocean Fogo island Cape Verde Rosa MarquesA C M Isabel PrudncioA C Fernando RochaB C Eduardo Ferreira da SilvaB CInstituto Tecnolgico e Nuclear EN 10 We as a standard Materials Testing Lab in UAE are effective in collaborating with our customers to take out plan failures and lessen obligation by utilizing our 33 years of scientific building ability. The uniqueness of the National Lab. for Soil Investigation and Building Materials Testing is its faculty. The staff of the National Lab. comprises exceptionally qualified and experienced labor to serve its customer productively and expertly. Our tasks as being the number one construction materials testing laboratory are brought out through its various working areas.  Objectives. Define: soil respiration and soil microbes. Explain the role of soil respiration in determining soil health. Diagram the role of soil respiration in the cycle of life on earth. List and explain inherent factors that affect soil respiration. Rolf Reichle. 1. , Gabrielle DeLannoy. 1,2. , and . Wade Crow. 3. 1. NASA Goddard Space Flight Center Global Model and Assimilation Office. 2 . University of Louvain, Louvain, Belgium. 3. USDA ARS Hydrology and Remote Sensing Lab. Soil . is the thin layer of organic and inorganic materials that covers the Earth's rocky surface. . Soil . is composed of particles of broken rock that have been altered by chemical and mechanical processes that include weathering and erosion. Soil consists of major components – . Objectives. Define: soil organic matter. Explain the role of inherent factors affecting soil organic matter. Explain the five soil organic matter management practices. Explain how soil organic matter relates to soil function.