Soil & pH of Soil

A layer of soil in a profile is called:

• Loam

• Layer

• Horizon

• Porosity

Voids or Openings in the soil for air and water movement are called:

• Clay

• Porosity

• Pockets

• Holes

Why is understanding good soil health important for someone who is considering

a career in working with plants?

• A. So we can better help plants grow

• B. To monitor air and water in the soil

• C. To better take care of the soils we have

• All of the answers are correct

T/F: Air is needed in the soil because it provides oxygen to the plant roots.

• True

• False

What is the pH scale range?

• 0-7

• 8-14

• 0-14

• none of the options are correct

How can you correct acidic soil?

• by adding lime

• by adding sulfur

• by letting the soil sit

• by tilling up the soil

What does pH measure?

• How basic something is

• How acidic something it

• How nutrients levels rise

• How acidic or alkaline a soil is

Which soil horzion is the organic matter layer?

• O

• A

• B

• C

What soil horizon is the Sub Soil?

• O

• A

• B

• C

• R

What soil horizon is the Top Soil?

• O

• A

• B

• C

• R