Retaining Soil

When there are not enough plants to hold topsoil in place, water and  _______ carry the topsoil away, leaving the subsoil exposed

• sunlight
• birds
• magnetic fields
• wind

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is a soil problem all farmers face?

• soil hardening
• soil erosion
• soil spoiling
• soil pollution

How can farmers prevent/slow down soil erosion?

• Cover their crops with a tarp 
• Water the soil everyday in order to weigh it down 
• Plant crops, plants, etc. to hold the soil in place
• Cut down all of the trees and crops. 

Tags

NGSS.MS-LS2-5

Soil conservation includes all of the following EXCEPT_______.

• Desertification
• Contour plowing
• Terracing
• Crop rotation

Tags

NGSS.MS-LS2-5

What soil conservation technique is this?

• Crop Rotation
• Wind Breaks
• Contour Plowing
• No-Till Farming

Which type of soil conservation strategy is being  used in this picture?

• windbreakers
• contour farming
• planting of vegetation
• terracing

Farmer Joe plowed curved rows that followed the shape of the land in order to create water breaks, what method did he use?

• contour plowing
• crop rotation
• subsoil preservation
• terrace farming

Tags

NGSS.MS-LS2-5

Why would Farmer Joe use the conservation method of growing cover crops?

• Contour plowing 
• Terracing 
• To 
• To prevent weeds from growing, add nutrients to soil, and

Tags

NGSS.MS-LS2-3