Soil Profile

Soil is made of: pieces of rock, air and water, matter that was once alive

Which layer of soil has low organic material and has clay in the form of aluminum and iron compounds?

Which layer of soil contains lots of roots and minerals for growing plants?

True or False: The layers of soil go in this order: Topsoil, bedrock, subsoil.

Which layer of soil is on bottom?

Identify the soil horizon:
Consists of topsoil (mostly sand and some clay) rich in humus and leached soil deficient in humus and minerals.

Soil horizon is horizontal. Soil profile is vertical?

What is HUMUS made from?

Which soil layer consists of clay, iron oxides, and other components that came from the zone of leaching?

The light colored, leached horizon.