What are the different layers, or horizons, that compose a soil profile? What makes each one distinct from the others?

What will be an ideal response?


A typical soil profile consists of the O horizon, consisting of dead organic matter; the A horizon (top soil), consisting of a mixture of the mineral soil from below with the humus from above; the E horizon, consisting of a layer from which the minerals have been leached; the B horizon (subsoil), consisting of the layer to which the minerals leach from the A and E horizons; and the C horizon, consisting of the parent mineral material. The differences between each layer can sometimes be minor, but the size of particles is the main determinant.

Environmental & Atmospheric Sciences

You might also like to view...

Describe in detail the three phases of numerical forecasting

What will be an ideal response?

Environmental & Atmospheric Sciences

Portland, Oregon is an example of a city where an eco-city (or green city) model for urban development and renovation is being applied.?

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

For countries of similar area and population, the one with the greatest amount of ________ is most likely to have the highest nutritional density

A) forest land B) farmland C) desert lands D) lakes, rivers and swamps E) mountains

Environmental & Atmospheric Sciences

When the air temperature is below freezing, the saturation vapor pressure over water is ____________________ than the saturation vapor pressure over ice

Fill in the blank with correct word.

Environmental & Atmospheric Sciences