PPT-Stresses in soils

Presentation by Shreedhar S Stress Isobar or pressure bulb An isobar is a curve joining the points of equal intensity In other words an isobar is a contour of equal stresses The isobar of a particular intensity can be obtained by. Add lots of OM to the soil compost manure of sheep chickens dairy horses Be sure to irrigate regularly the first year Dont stress the trees Make sure that you have an established working irrigation plan Make sure the irrigation system will reach all Sedzani. . Elia. . Muravha. 12 January 2012. Introduction………………………………………………………….... Characteristics of expansive soils…………………………………... Identify Basic Soils Properties. TEC C03-A01. Why is. . Soil . important ?. It is the foundation for. all types of pavement. systems and building. structures.. What is . Soil . .... is the entire unconsolidated . Plant Material Maintenance. Soil. Soil is the top . layer of . the Earth’s crust. .. Millions of years to make. Being lost at a rate of 5.2 tons/acre/year (Iowa state-wide average). SOLIDS +. PORE SPACE =. Dru. Yates. dru.e.yates@gmail.com. Learning Objectives. List . and describe the 5. . factors of soil formation. List and describe the 4. . soil forming processes. Be familiar with common soil horizons and corresponding lowercase suffixes used to describe these horizons. Why is soil important? . Why is soil important? . PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!!. Why is soil important? . PLANTS grow in soil. If there was no soil, there would be no plants and NO FOOD!!!. CLORPT for short. Soils differ from one part of the world to another, even from one part of a backyard to another. . They differ because of where and how they formed. And over time, five major factors control how a soil forms. These factors are . Russell Yost. 1. , . Bao-Shen. Li. 2. , Prof. . Xiaolin. Li. 2. , ZuChao. 3. 1. Tropical Plant and Soil Sciences. University of Hawai`i at . Manoa. Honolulu, Hawai`i. 2. China Agricultural University, Beijing, China. Extensively developed in Antarctica and rare outside of Polar regions. Characterized by a specific lithology due to penguin nesting behavior. Includes a combination of soil, pebbles, guano, highly rich in organic. Soil Types. 12 Soil Orders. Soil Orders in US. World View. ALFISOL. Moderately Weathered. ANDISOL. Volcanic ash. ARIDISOL. Very Dry. ENTISOL. Newly Formed. Gelisol. Frozen. HISTOSOL. Organic, Wet. INCEPTISOL. . on top, but not fertile . soil. … . Tropical soils are found under . very hot . conditions, and high yearly . rainfall. .. They are the worlds oldest. soils. . They are so old, that they are . RUSTY. What is a . WETLAND. ?. Peat Bogs: Poor Man’s Charcoal. HISTOSOL. Organic, Wet. What are . hydric. soils???. Hydros. = water in Latin. Surface layers are usually . BLACK. The subsoil is . GRAY. , and has freckles of bright . Matthew 13. Mark 4. Luke 8. The Different Soils. Wayside Heart. Stony Heart. Thorny Heart. Good Heart. Emphasis Upon Hearing the Word of God. Parable begins with, . “Listen!” . (Mark 4:3). Ends with Jesus crying out, . σ = . Force / Area. . . It is the expression of force per unit area to structural members that are subjected to external forces and/or induced forces. Stress is the lead to accurately describe and predict the elastic deformation of a body. .