1 What is the cutting down all trees in an area? 2. What is cutting a pit in the surface? 3. _______Conservation-various methods humans use to take care.

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Presentation transcript:

1 What is the cutting down all trees in an area? 2. What is cutting a pit in the surface? 3. _______Conservation-various methods humans use to take care of the soil. (energy or soil)

Picture Sentence Definition

Sentence: The Grand Canyon was formed by millions of years of erosion Definition: Erosion is the natural movement of sediment from one place to another

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?

1. What is soil conservation?

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

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

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

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

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

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

Homework: Copy and answer 1.Name some methods use to prevent soil erosion. 2. Why do farmers use the method cover crop? 3. How are crops planted in a field when using method contour plowing? 4. Why are trees planted around fields when using the method windbreak?