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Page# 124 January 23 Focus: Soil Degradation and Conservation Obj.: 6.E.2.4 analyze human activities both positive and negative affect the pedosphere Homework:

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Presentation on theme: "Page# 124 January 23 Focus: Soil Degradation and Conservation Obj.: 6.E.2.4 analyze human activities both positive and negative affect the pedosphere Homework:"— Presentation transcript:

1 Page# 124 January 23 Focus: Soil Degradation and Conservation Obj.: 6.E.2.4 analyze human activities both positive and negative affect the pedosphere Homework: review practice for test Friday Warm-Up: A. explain how each rock transforms 1.igneous  metamorphic  sedimentary 2.Sedimentary  igneous B. Work on packet from last class

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3 http://viewpure.com/LSRmFSKBypI http://viewpure.com/TPdEzTDQiCk

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5 Keep an eye out for “The-Owl” and raise your hand as soon as you see him. –He will be hiding somewhere in the slideshow Copyright © 2010 Ryan P. Murphy

6 Keep an eye out for “The-Owl” and raise your hand as soon as you see him. –He will be hiding somewhere in the slideshow “Hoot, Hoot” “Good Luck!” Copyright © 2010 Ryan P. Murphy

7 Review: Erosion Review: Erosion Copyright © 2010 Ryan P. Murphy

8 Review: Erosion Review: Erosion Copyright © 2010 Ryan P. Murphy

9 Erosion: Process of wearing or grinding something down. Erosion: Process of wearing or grinding something down. Copyright © 2010 Ryan P. Murphy

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11 How do rocks become shaped like this?

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17 Deposition: The natural process of laying down a deposit of something. (Sediment) Deposition: The natural process of laying down a deposit of something. (Sediment) Copyright © 2010 Ryan P. Murphy

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21 Importance of Soil

22 Is this concerning?

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38 With soil conservation measures

39 Without soil conservation measures

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42 Most of the earth is not suitable for agriculture. –Almost all of our food comes from a few suitable areas.

43 Soil degradation is a real and serious problem. Soil degradation is a real and serious problem. Soil takes hundreds of years to form. Soil takes hundreds of years to form. It takes very little time to destroy it. It takes very little time to destroy it. Copyright © 2010 Ryan P. Murphy

44 Soil degradation is a real and serious problem. Soil degradation is a real and serious problem. Soil takes hundreds of years to form. Soil takes hundreds of years to form. It takes very little time to destroy it. It takes very little time to destroy it. Copyright © 2010 Ryan P. Murphy

45 Soil degradation is a real and serious problem. Soil degradation is a real and serious problem. Soil takes hundreds of years to form. Soil takes hundreds of years to form. It takes very little time to destroy it. It takes very little time to destroy it.

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52 People had to leave the farm or starve to death.

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55 Video! The Dust Bowl http://viewpure.com/x2CiDaUYr90

56 Conservation: The Protection of something / planned management. Copyright © 2010 Ryan P. Murphy

57 Conservation: The Protection of something / planned management. –Hugh Hammond Bennett (Father of Soil Conservation) 1920’s Copyright © 2010 Ryan P. Murphy

58 Two key factors to conserve soil. Two key factors to conserve soil. - - Copyright © 2010 Ryan P. Murphy

59 Reduce Erosion (Movement of Soil Particles) Reduce Erosion (Movement of Soil Particles) Copyright © 2010 Ryan P. Murphy

60 Restore Soil Fertility (nutrients) Restore Soil Fertility (nutrients) Nitrogen and Phosphorus Nitrogen and Phosphorus Copyright © 2010 Ryan P. Murphy

61 Restore Soil Fertility (nutrients) Restore Soil Fertility (nutrients) Nitrogen and Phosphorus Nitrogen and Phosphorus Copyright © 2010 Ryan P. Murphy

62 Soil Conservation Measures Soil Conservation Measures - - - - - - - Copyright © 2010 Ryan P. Murphy

63 Activity! Designing your own farm using soil conservation measures. Copyright © 2010 Ryan P. Murphy

64 Activity! Designing your own farm using soil conservation measures. Copyright © 2010 Ryan P. Murphy

65 Activity! Designing your own farm using soil conservation measures. Copyright © 2010 Ryan P. Murphy

66 Activity! Designing your own farm using soil conservation measures. –Create a sketch of each measure as we cover it. Copyright © 2010 Ryan P. Murphy

67 Conservation Plowing: Disturbing the ground and plant cover as little as possible. Conservation Plowing: Disturbing the ground and plant cover as little as possible. High tech machines inject seeds High tech machines inject seeds Copyright © 2010 Ryan P. Murphy

68 Conservation Plowing: Disturbing the ground and plant cover as little as possible. Conservation Plowing: Disturbing the ground and plant cover as little as possible. High tech machines inject seeds. High tech machines inject seeds. Copyright © 2010 Ryan P. Murphy

69 Which one uses conservation plowing? Copyright © 2010 Ryan P. Murphy

70 Which one uses conservation plowing? Copyright © 2010 Ryan P. Murphy

71 Conservation plowing leaves the old stalk + any other plants / root structures that keep soil together. Copyright © 2010 Ryan P. Murphy

72 DO NOW!!!! Read Story: “The Dust Bowl: A True Teen Story From History” Do not write on the article. Choose one graphic organizer. Copy and complete on lined paper. FINISHED? Turn in to Ms. Torres Finish Packet  work on study guide until time is called

73 Draw a non-tillage plow injecting seeds into the soil. Copyright © 2010 Ryan P. Murphy

74 Terracing: Creating steps against water erosion. Terracing: Creating steps against water erosion. Copyright © 2010 Ryan P. Murphy

75 The Inca people farmed the Andes using terracing. Picture of the lost city of Machu Picchu, built in 1460 A.D.

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77 Steep slope + unstable soil + rain =

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79 Soil

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85 Draw some terraces with crops on a steep section of your farm. Copyright © 2010 Ryan P. Murphy

86 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

87 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

88 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

89 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

90 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

91 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

92 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

93 Contour plowing: A practice of slowing water run-off by planting across a hills contours. Contour plowing: A practice of slowing water run-off by planting across a hills contours. Copyright © 2010 Ryan P. Murphy

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101 Create contour plowing on your farm so the rows of crops grow across the slope. Copyright © 2010 Ryan P. Murphy

102 Create contour plowing on your farm so the rows of crops grow across the slope. Copyright © 2010 Ryan P. Murphy

103 Cover Crop: A plant that grows first and protects the cash crop. Cover Crop: A plant that grows first and protects the cash crop. Copyright © 2010 Ryan P. Murphy

104 Create some text that points to some crop and call that cover crop. Cover Crop Copyright © 2010 Ryan P. Murphy

105 Strip Cropping: Alternate the type of plant on each row to control water and nutrient uptake. Strip Cropping: Alternate the type of plant on each row to control water and nutrient uptake. Copyright © 2010 Ryan P. Murphy

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107 Alternate your rows of groups with green and yellow to show strip cropping. Copyright © 2010 Ryan P. Murphy

108 Alley Cropping: Plant trees in between ground crops Alley Cropping: Plant trees in between ground crops Provides shade, wind break, and prevents water loss. Provides shade, wind break, and prevents water loss. Copyright © 2010 Ryan P. Murphy

109 Alley Cropping: Plant trees in between ground crops Alley Cropping: Plant trees in between ground crops Provides shade, wind break, and prevents water loss. Provides shade, wind break, and prevents water loss. Copyright © 2010 Ryan P. Murphy

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113 Create alley cropping by having rows of trees between rows of crops. Copyright © 2010 Ryan P. Murphy

114 Crop Rotation: Planting different crops each year. Crop Rotation: Planting different crops each year. Changes nutrient uptake (increased soil fertility over a long period) Changes nutrient uptake (increased soil fertility over a long period) Copyright © 2010 Ryan P. Murphy

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116 Activity! Article about the dustbowl and questions. –Please choose 5 of the 9 questions to answer in your journal. Be specific and use information from the article. In a short paragraph, please describe the conditions of the Dust Bowl? Describe farming in the early 1930’s What conditions led up to the Dust Bowl that made it especially bad? What were some positive things that came out of the Dust Bowl? Copyright © 2010 Ryan P. Murphy

117 http://video.scholastic.com/services/player/bcpid 858992059001?bctid=1466663974001

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