Soil Review

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What is humus?

Back

Humus is the dark, organic material in soil that is formed from the decay of plant and animal matter. It helps soil retain moisture and provides nutrients for plants.

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What is particle size in soil?

Back

Particle size refers to the size of the individual particles that make up soil. It can range from large particles like sand to very small particles like clay.

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What is clay soil?

Back

Clay soil is a type of soil that has very fine particles. It retains water well, drains poorly, and feels sticky when wet.

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What is bedrock?

Back

Bedrock is the solid rock layer beneath the soil. It is the foundation of the earth's crust.

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What is erosion?

Back

Erosion is the process by which wind or water carries away broken sediment from one place to another.

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What is topsoil?

Back

Topsoil is the uppermost layer of soil, rich in nutrients and organic matter, where most plant roots grow.

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What is subsoil?

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Subsoil is the layer of soil beneath the topsoil. It contains minerals and nutrients but less organic matter.

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What is soil texture?

Back

Soil texture refers to the feel of the soil and is determined by the proportions of sand, silt, and clay in it.

Front

What is sandy soil?

Back

Sandy soil is a type of soil that has large particles. It drains quickly and does not hold water well.

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What is loam soil?

Back

Loam soil is a balanced mixture of sand, silt, and clay. It is ideal for growing plants because it retains moisture and drains well.