1. Weathering and Soil Formation
Chapter 10
Weathering and Soil Formation

2. Chap 10, Sec 4 (Soil Conservation)
Objectives:
What are the 3 benefits of soil?
Describe/illustrate 5 methods of soil prevention and loss

3. Provides nutrients for plants Provides plants/animals a home
3 benefits of soil:
Provides nutrients for plants
Provides plants/animals a home
Provides place for water storage
If soil is not cared for, humans will not have food to eat!
(Paste your soil conservation techniques peek-a-boo here)

4. no-till farming (shown here in picture)
contour plowing
terracing
cover crops
crop rotation

5. no-till farming (shown here in picture) - a way of growing crops on a year to year basis without disturbing the soil through tillage

7. contour plowing (shown here in picture) - plowing and/or planting using curves across the slope of a hill

9. cover crops (shown here in picture) - grasses, legumes, or green plants that are planted to help soil in many ways (green manure)

11. terracing (shown here in picture) - cutting land into a series of flat surfaces, that resemble steps, for more effective farming