Exam 17: Soils and Environment

Soil strength is primarily a function of cohesion, friction, and vegetation.

What is hydraulic conductivity?

Which soil horizon is known as the zone of accumulation?

Soil erosion is primarily a major problem only at the site where it occurs.

Weathered material that remains in its place of formation is called

________ works with the natural topography to reduce soil erosion.

A sharp peak in sediment yield in the Piedmont region around 1960 corresponded with a period of

In what ways are soil surveys useful for land-use planning?

Agricultural soil erosion affects the amount, but not the fertility, of the soil.

Expansive soils typically present minor, localized problems.

A soil E horizon is an eroded horizon.

________ is the ability of a soil to resist deformation.

________ are aggregates of soil particles that comprise soil structure.

An argillic soil horizon is enriched in clay moved from the A horizon.

How do soils become fertile?

Soil ________ refers to the ease with which soil particles can be moved by wind or water.

Off-road vehicle use contributes to soil problems by

A soil ________ is a series of soils arranged by age according to their relative profile development.

Urbanization influences soil erosion processes primarily because of

Impact of urbanization on soil erosion is primarily a problem during the construction phase.