Exam 22: Properties of Soil

The acidity of a soil increases as the H+ ions become more abundant.

How does colluvium differ from alluvium?

A loam soil consists of:

A pedon extends down to _______.

The smallest soil particle is called:

What type of topography produces a thicker soil depth?

A soil with pH of ____ is neither acidic nor alkaline.

Porosity is the ability of soil to ___ water.

Alkaline soils have a pH value of:

The peds associated with platy soil structure most closely resemble:

The _______ is the rate at which water can flow through soil.

Peds that are arranged into vertical columns, especially in the B horizon, show ___ structure.

Soils that often swell during wet seasons and crack during dry periods are most likely ____ soils.

70% sand, 20% silt, and 10% clay would be considered a _____ soil.

Which soil would have the highest permeability?

Solum consists of the following soil layers.

When the upper layers of soil are dark brown or black, this would indicate:

Cations are positively charged ions.