APES Soil Review

Front

What can you add to your soil to decrease the acidity and neutralize the soil?

Back

Limestone is commonly added to soil to decrease acidity and neutralize it.

Front

What is the soil horizon commonly known as subsoil?

Back

The B horizon is commonly referred to as subsoil.

Front

What does leaching refer to in soil science?

Back

Leaching refers to the downward movement of chemicals (in the form of minerals, elements, and organic matter) through soil.

Front

What does infiltration indicate in soil?

Back

Infiltration indicates the downward movement of water through soil.

Front

What can be concluded if one soil sample has a CEC of 10 and another has a CEC of 5?

Back

The first soil sample (CEC of 10) has more nutrients than the second (CEC of 5).

Front

What is Cation Exchange Capacity (CEC)?

Back

Cation Exchange Capacity (CEC) is a measure of how well soil can retain and supply cations to plant roots.

Front

What is the role of organic matter in soil?

Back

Organic matter improves soil structure, enhances nutrient retention, and increases water-holding capacity.

Front

What is the difference between soil horizons O, A, B, and C?

Back

O horizon is organic matter, A horizon is topsoil, B horizon is subsoil, and C horizon is weathered parent material.

Front

What is soil texture and why is it important?

Back

Soil texture refers to the proportion of sand, silt, and clay in soil, affecting water retention, drainage, and nutrient availability.

Front

What is the significance of soil pH?

Back

Soil pH affects nutrient availability, microbial activity, and overall soil health.