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1 What is the cutting down all trees in an area? 2. What is cutting a pit in the surface? 3. What is the stripping the surface of the land? 4. What is.

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Presentation on theme: "1 What is the cutting down all trees in an area? 2. What is cutting a pit in the surface? 3. What is the stripping the surface of the land? 4. What is."— Presentation transcript:

1 1 What is the cutting down all trees in an area? 2. What is cutting a pit in the surface? 3. What is the stripping the surface of the land? 4. What is the moving of sediments? 5. What do plant roots prevent?

2 1, What is soil conservation? 2, What methods prevent soil erosion? 3. What is a cover crop? 4. What is crop rotation? 5. What is contour plowing? 6. What is terracing? 7. What is windbreak?

3 1. What boundary do plates move apart? 2. What boundary do plates come together? 3. What boundary do plates slide past one another? 4. What boundary does a fault form at? 5. What boundary does a trench or a volcanic arch for at?

4 1. What is soil conservation?

5  2. Methods to prevent soil erosion- cover crop, crop rotation, contour plowing, terracing, and windbreak.

6 3. Cover Crop-a crop that is planted in between harvests to reduce erosion and replace nutrients ex soybean and clover

7  4. Crop Rotation-change crops from year to year so that nutrients do not get depleted

8  5. Contour plowing-rows in a field are plowed in curves instead of straight lines.

9  6. Terracing-one steep field is changed into a series of smaller fields.

10  7. Windbreak-planting trees around a field to prevent wind erosion.


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