PPT-SOILS What is soil? It is not just, “dirt”

Soil Defined formed from the weathering of rocks and organic activity and is composed of loose rock fragments and clay derived from weathered rock mixed with organic material Soil is primarily made up of broken down rock minerals and organic materials . How Much is Dirt Worth?. How Much is Dirt Worth?. Soils produce our food. They are essential to our survival.. How Much is Dirt Worth?. Soils produce our food. They are essential to our survival.. Good soils are a limited, nonrenewable resource.. 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. What is soil? . Soil: A natural body of mineral (non-living) and organic (living) material that forms on the surface of the earth, and is the medium for plant growth.. Forms over time from the decay of plants and organisms on the surface, and the break-down (weathering) of rocks, minerals, and sediments at, and beneath, the surface.. 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 . Soils. We know more about the movement of celestial bodies than about the soil underfoot. . - Leonardo da Vinci. Soil: Definition. Solid earth material that has been altered by physical, chemical and organic processes so that it can support rooted plant life.. Paul Snyder, . Secrest. Arboretum, OARDC. Why is soil important?. It supports life.. Living things need the proper temperature, oxygen, water, carbon and other nutrients. . What is soil?. How is soil made?. Member/Fellow of the Soil Science Society of America. Your State Soil. Step 1. State Soil Website. www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/edu. /?cid=stelprdb1236841. Example – Alabama State Soil – BAMA Series. Presented by Name, Position. Member/Fellow of the Soil Science Society of America. Why is Soil important. What are 4 things we . cannot live without?. Soil. Water. Air. Sunlight. Does Soil = . Dirt?. The soil is the upper layers of the . regolith. that is accumulated materials of weathering product and thus supports plant growth. . Weathering Products. : . Product of weathering is . regolith. or . Soils support the growth of higher plants by providing a medium for plant roots and supplying nutrient elements that are essential to the entire plant.. Soil properties are the principal factor controlling the fate of water in the hydrologic system. Water loss, utilization, contamination and purification are all affected by the soil.. Dr. David . Lindbo. Emeritus Professor, NC State University. Director Soil Science Division, USDA-NRCS. lindbo@ncsu.edu. david.lindbo@usda.gov. Importance of Classification. Why do we classify?. Types of classification. Figure 3-24. Fig. 3-24a, p. 69. Mosaic of closely packed pebbles, boulders. Weak humus-mineral mixture. Dry, brown to reddish-brown with variable accumulations of clay, calcium and carbonate, and soluble salts. Specialist, USDA-NRCS. West Wareham, MA. Soils and Geography. Soils found in MA and HI are as different as the states of MA and HI. Crops. Cranberries . Macadamia Nuts. Pop Culture. Cheers. Hawaii 5-0.