4.02 Soil Conservation

Preventing erosion by using rip rap, fabrics, straw vegetation or concrete on a roadside bank

• mulching

• stabalizing

• silt fence

• waste management

Planting on the contour is a soil conservation method known as

• making ridges of earth across a slope

• planting across the slope of a hill

• planting different crops from year to year

• constructing small ditches across the slope

on level, sandy land planting rows of trees to prevent soil erosion is called

• conservation tillage

• windbreak

• diversion ditch

• strip cropping

planting vegetation on excavated soil to hold it in place

• cover crop

• silt fence

• strip cropping

rill erosion leads to what type of erosion?

• aseptic

• glacial

• gully

• sheet

planting different crops on the same land the next year.

• conservation tillage

• diversion ditches

• rotating crops

• strip cropping

on sloping land, planting different crops in alternate sections

• conservation tillage

• rotating crops

• strip cropping

• terracing

Land slippage is soil erosion that occurs where?

• level clayey soils

• bottomlands near rivers

• sloping water saturated soils

• sandy soils near the tree line

Small channels that form on sloping lands

• gully erosion

• rill erosion

• sheet erosion

• slippage erosion

The major cause of soil loss in North America

• Glacier Erosion

• Land slippage

• Water Erosion

• Wind erosion