Soil Degradation

Which two processes can give rise to soil degradation?

• Erosion

• Decomposition

• Unsustainable agriculture

• Forest Fires

Overgrazing occurs when

• Very few cattle are kept in a large area

• Large numbers of cattle are kept in a area

• Mococulture is used

• Farmers harvest all of the crops at one time

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of these methods can be used to reduce wind erosion (Select Multiple Answers)

• Planting trees between fields

• Alternating high and low crops

• Crop rotation

• Planting crops in rows

Terracing is a common farming practice used in

• Cities

• On level ground

• Mountainous regions or on slopes

• When soil quality is poor

Trickle flow is a method of

• Soil rotation

• Crop filtration

• Water filtration

• Irrigation

Trickle flow systems can be used to reduce...

• Crop Quality

• Evaporation of water

• Pest damage to crops

• Damage to crops from the sun

Tags

NGSS.MS-ETS1-2

Which of these is not a soil conserving cultivating technique

• Removing all crops during a single harvest

• Plowing the fields regularly

• Terracing fields on sloped areas

• Growing cover crops between rows of main crops

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

Tags

CCSS.RI. 9-10.8

CCSS.RI.11-12.5

CCSS.RI.11-12.8

CCSS.RI.8.8

CCSS.RI.9-10.5

Excessive use of pesticides can degrade the quality of the soil. This is also known as...

• Poisoning

• Pollution

• Trickle irrigation

• Toxification

Tags

NGSS.MS-LS2-1

Growing crops in rows with uncovered soil in between will

• Increase erosion

• Decrease erosion

• Improve soil quality

• Reduce wind speeds

Tags

NGSS.MS-ESS2-1