logging in or signing up soil_composiion aSGuest19792 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 15 Category: Product Traini.. License: All Rights Reserved Like it (0) Dislike it (0) Added: June 03, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 2: Soil Science 4th Grade Springville, Utah Slide 3: Where does soil come from? Rocks Minerals Organic Matter Slide 7: Mollisol Profile Sagebrush-Cold Desert What are the main components of soil? : What are the main components of soil? Mineral Matter Air Water Organic Matter Slide 11: Soil Particles Note: clays are microscopic in size ! Slide 13: Clay minerals photographed with an electron Microscope. Note: they are plate or flake like and are stacked on top of each other. They are electrically charged and act like magnets that attract and hold plant nutrients. Slide 14: Soil should have aggregates! Slide 15: Organic matter is soil gold ! Slide 16: What causes soil erosion? Water Wind No Vegetation Slide 17: My Neighbor has my soil! Slide 18: Rain drop erosion Slide 19: The Great Dust Bowl Wind Erosion Slide 20: The Great Dust Bowl Slide 21: Clouds of Silt Slide 22: Wind Erosion removed topsoil Slide 23: Wind eroded soil Slide 24: Rill Erosion Slide 25: Gully Erosion How did the Canyon Lands of Utah form? Slide 26: Vegetation protects soil Slide 27: Erosion Prayer Slide 29: Our lives depend on preserving our topsoils. Slide 31: Cotton in Furrows Slide 32: What are the FACTORS that make SOIL? TIME 1000’S TO 10,000’S OF YEARS LAY OF THE LAND TOPOGRAPHY LIVING ORGANISMS ANIMALS AND PLANTS CLIMATE HOT/COLD, WIND/RAIN PARENT MATERIAL ROCKS AND MINERALS Slide 33: Topography Physical land features Slide 34: What are some practices Of SOIL CONSERVATION? Terracing Strip Cropping Contour Plowing Tilling Wind Breaks Ground Covers Slide 37: Strip Cropping Contour Plowing Slide 38: Contour Farming Slide 39: Contour Farming Slide 40: Tilling Soil on flat land Slide 41: Furrow Irrigation Slide 42: Minimum Tillage Slide 43: Strip Cropping Slide 44: Strip Crop Farming Slide 45: Soil - We cannot live without it! Slide 46: Give a hand to the land Internet Sites : Internet Sites http://www.tx.nrcs.usda.gov/class/sammy.htm You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
soil_composiion aSGuest19792 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 15 Category: Product Traini.. License: All Rights Reserved Like it (0) Dislike it (0) Added: June 03, 2009 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 2: Soil Science 4th Grade Springville, Utah Slide 3: Where does soil come from? Rocks Minerals Organic Matter Slide 7: Mollisol Profile Sagebrush-Cold Desert What are the main components of soil? : What are the main components of soil? Mineral Matter Air Water Organic Matter Slide 11: Soil Particles Note: clays are microscopic in size ! Slide 13: Clay minerals photographed with an electron Microscope. Note: they are plate or flake like and are stacked on top of each other. They are electrically charged and act like magnets that attract and hold plant nutrients. Slide 14: Soil should have aggregates! Slide 15: Organic matter is soil gold ! Slide 16: What causes soil erosion? Water Wind No Vegetation Slide 17: My Neighbor has my soil! Slide 18: Rain drop erosion Slide 19: The Great Dust Bowl Wind Erosion Slide 20: The Great Dust Bowl Slide 21: Clouds of Silt Slide 22: Wind Erosion removed topsoil Slide 23: Wind eroded soil Slide 24: Rill Erosion Slide 25: Gully Erosion How did the Canyon Lands of Utah form? Slide 26: Vegetation protects soil Slide 27: Erosion Prayer Slide 29: Our lives depend on preserving our topsoils. Slide 31: Cotton in Furrows Slide 32: What are the FACTORS that make SOIL? TIME 1000’S TO 10,000’S OF YEARS LAY OF THE LAND TOPOGRAPHY LIVING ORGANISMS ANIMALS AND PLANTS CLIMATE HOT/COLD, WIND/RAIN PARENT MATERIAL ROCKS AND MINERALS Slide 33: Topography Physical land features Slide 34: What are some practices Of SOIL CONSERVATION? Terracing Strip Cropping Contour Plowing Tilling Wind Breaks Ground Covers Slide 37: Strip Cropping Contour Plowing Slide 38: Contour Farming Slide 39: Contour Farming Slide 40: Tilling Soil on flat land Slide 41: Furrow Irrigation Slide 42: Minimum Tillage Slide 43: Strip Cropping Slide 44: Strip Crop Farming Slide 45: Soil - We cannot live without it! Slide 46: Give a hand to the land Internet Sites : Internet Sites http://www.tx.nrcs.usda.gov/class/sammy.htm