Soil Degradation & Conservation

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Soil

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A complex plant-supporting system made up of disintegrated rock, remains, wants or organisms, water, gases, nutrients, and microorganisms.

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Parent Material

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The base geological material in a particular location.

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Bedrock

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The continuous mass of solid rock that makes up the Earth's crust.

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Weathering

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The physical and chemical processes that break down rocks and materials into smaller particles.

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Soil Horizons

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Distinct layers of soil.

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Soil Profile

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A cross section of all the soil horizons in a specific soil.

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Clay

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Consists of particles less than 0.002 mm in diameter.

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Silt

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Consists of particles 0.002 to 0.5 mm in diameter.

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Soil Degradation

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The deterioration of the soil characteristics needed for plant growth or other ecosystem services.

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Intercropping

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The planting of different crops in mixed arrangements.