Soil degradation

Terracing is a common farming practice used in

• Cities

• On level ground

• Mountainous regions or on slopes

• When soil quality is poor

The main reason we must improve soil quality is to...

• Ensure we can grow more food

• Ensure we can grow more food in a sustainable way

• Ensure that the soil does not disappear

• Ensure that we do not run out of water

What is Soil Degradation?

• A lowering of soil quality, or a loss of soil productivity

• When soil moves from one place to another

• The compaction of soil particles

• The cause of erosion

What is the primary factor of soil degradation?

• Contamination

• Construction

• Deforestation

• Erosion

What is Salinization?

• High salt concentration in water

• The accumulation of soluble salts

• The accumulation of exchangable sodium

• Excessive watering that causes soil saturation

What is deforestation?

• The removal of trees from forested lands

• Heavy construction working

• Excessive paper production

• Nation-wide tree planting

What is construction in Soil Degradation?

• Building a house for your new wife

• Altering of land by building structures

• Seeping of chemicals, oils, and other substances into the ground

• Taking down old buildings

What is Erosion?

• The effect of Soil Degradation

• Terra-forming land to human liking

• The process of soil being moved

• The cause of mountains

When soil is moved, what two ways will it become pollution?

• Glacial, Water

• Contamination, Water

• Glacial, Air

• Air, Water

What is the cause of impermeable surfaces?

• Deforestation

• Excessive mining

• Compaction

• soil deterioration