Soil

Which layer of soil is on bottom?

• Topsoil
• Sand
• Bedrock

There are FOUR components of soil: water, air, organic material, and ________.

• conservation
• rock
• subsoil
• loamy

Soil horizon is horizontal. Soil profile is _______?

• Cake
• Vertical
• Strawberry Filling
• A picture

All soils begin with what process?

• Nutrients
• Subsoil
• Weathering
• Fertile

Plant a wind break (shelter belt)

• To protect soil for blowing away

• To protect other trees

• To increase wind energy

• Is a poor farming practice

The 1930 Great plains – Dust Bowl

• Was a college football game

• Was a example of POOR farming practices

• Was an example of GOOD farming practices

__________plowing along the slope of land instead of up and down a hillside.

• Strip cropping

• Crop Rotation

• Contour plowing

__________used on steep hillsides to hold and slow down water flow. Looks like steps on the hill side.

• Terracing

• Contour plowing

• Strip cropping

Crop rotation ______

• Isn't good for the soil

• wastes time

• decreases farming time

• conserve soil quality

_______are the different layers which

develop in soil

• Leaching

• Soil Horizons

• Bedrock

• Immature soils