Soil

Front

What is the B Horizon also known as?

Back

Subsoil

Front

What is the starting material for soil formation?

Back

Bedrock

Front

What is humus?

Back

A dark-colored substance that forms as plant and animal remains decay.

Front

What is Horizon A also known as?

Back

Top soil

Front

What are the main components of soil?

Back

Minerals, organic matter, water, and air.

Front

What process leads to the formation of soil?

Back

Weathering of rocks and decomposition of organic matter.

Front

What role does humus play in soil?

Back

It improves soil structure, water retention, and nutrient availability.

Front

What is the difference between topsoil and subsoil?

Back

Topsoil (Horizon A) is rich in organic matter and nutrients, while subsoil (B Horizon) contains less organic material and is denser.

Front

What factors influence soil formation?

Back

Climate, organisms, topography, parent material, and time.

Front

What is the significance of soil texture?

Back

Soil texture affects water retention, drainage, and nutrient availability.