Warm Up: Friday, October 18th

1
Warm Up Friday, October 18th

• What is the most common characteristic property
  of a sedimentary rock?
• Explain what it is!

2
Control of Soil ErosionorSoil Conservation A
method to maintain the fertility of the soil by
protecting the soil from erosion and nutrient loss

• S6E5 I Explain the effects of human activity of
  erosion on the Earths surface
• Standard S6E5 J Describe the methods for
  conserving natural resources such as water, soil,
  and air

3
Importance of Soil

• On the back of the flip book
• Provides minerals nutrients for plants
• Provides energy and habitats for animals
• Water storage prevention of runoff flooding
• Prevents soil loss erosion
• Overuse causes desertification (aka land
  degradation)

4
No Till Farming

• Farmers leave all the old crop in the soil while
  planting the new crop.

A road sign promotes no-till farming.
Agriculture and the Environment, 1991 Yearbook
38
Soybeans growing in corn residue with no-till
farming. Agriculture and the Environment, 1991
Yearbook 17
5
Windbreaks

• Trees planted creating a border on one side of a
  field.
• Cuts down on erosion
• Useful in hilly regions

6
Cover Crops

• Plants that grow in winter spring act as ground
  cover
• Protect from soil erosion
• Low to the ground

7
Contour Plowing/Cultivation

• Cultivation - process of loosening up soil
  between rows of growing crops.
• Prevents erosion from heavy rain
• Great for sloped lands

8
Terracing

• On extremely steep slopes
• Creates a series of steps/terraces
• Prevents erosion from heavy rains (washing away
  the crops)