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Glossary of SOIL 2

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DECAY

To slowly break down, or rot

SANDY SOIL

Loose soil with large grains. Most plants do not grow well here because the sand does not hold water and it has a few nutrients.

LOAM

Good planting soil that is a mixture of clay, sand and humus.

RECYCLE

To change something so it can be used again.Example-Aluminum cans.

NUTRIENT

A material that plants and animals need to live and grow.

NATURAL RESOURCE

Something people use that comes from the earth. Examples are soils, minerals, and water. There are only limited amount of them.

HUMUS

The decayed matter in soil.

CLAY SOIL

Tightly packed soil with tiny grains. Many plants cannot grow here because the grains are so close together.

ORE

Rock that is rich in useful materials. Ores may have the minerals lead, silver and copper. They can be found in deep tunnels or on earth's surface.

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