Term
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Definition
| crumbly, dark brown soil that is a mixture of humus, clay, and minerals |
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Term
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Definition
| located underneath topsoil usually consists of clay and minerals that wash down from Horizon A |
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Term
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Definition
| loose layer of leaves and dead grass |
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Term
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Definition
| organisms that break the remains of dead organisms into smaller pieces and digest them into chemicals |
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Term
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Definition
| thick mass of tough roots at the surface of soil |
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Term
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Definition
| area of the Great Plains that was experiencing a severe drought i the 1930s. Because of the dough, the soil became in fertile and wind erosion carried the soil in huge dust clouds |
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Term
Soil Conservation
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Definition
| the management of soil to prevent its destruction |
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Term
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Definition
| when a farmer plants different crops in a field each year |
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