Soil and Agriculture Review

__________________ when farmers plant different crops in order to use less nutrients from the soil.

• Soil Conservation

• Crop Rotation

• Soil Erosion

____________ a crop planted primarily to manage soil erosion, fertility or quality.

• Vegetative Cover

• Cover Crops

• crop rotation

Tags

NGSS.MS-LS2-5

________________ a way of growing crops without disturbing the soil through tillage.

• No-Till Farming

• Crop Cover

• Vegetative Cover

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-ESS2-2

What is a soil problem all farmers face?

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

What effect did over plowing and cutting down trees in the Great Plains during the 1930’s?

• It had little effect
• It increased soil fertility
• It was a primary cause of the Dust Bowl
• Farmers had a great harvest

Tags

NGSS.MS-ESS2-2

Crop rotation preserves nutrients and helps combat soil erosion by

• planting the same crop every year

• planting crops in rows

• planting different crops each season

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What will happen to soil when crops are NOT rotated from year to year?

• Nurtients are depleted

• Fertility increases

• soil becomes porous

Overgrazing (animals eating too many plants) damages the soil by

• removing plants that hold soil in place

• makes draining the field harder

• eliminates insects

Tags

NGSS.MS-LS2-5

What environmental factor played a part in the cause of the Dust Bowl?

• Snow

• Drought

• Hurricane

• Rain