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Chapter 12 Sec 1
Vocabulary
| Vocabulary | Definition |
|---|---|
| development | the construction of buildings, roads, bridges, dams, and other structures |
| land reclamation | the process of restoring land to a more natural state |
| litter | the loose layer of dead plant leaves and stems on the surface of the soil |
| topsoil | the mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil |
| subsoil | the layer of soil beneath the topsoil that contains mostly clay and other minerals |
| bedrock | the solid layer of rock beneath the soil |
| erosion | the process by which water, ice, wind, or gravity moves fragments rock and soil |
| desertification | the advance of desert-like conditions into areas that previously were fertile |
| nutrient depletion | the process in which plants use more nutrients than decomposers can replace and that makes the soil less fertile |
| fallow | an area of land left unplanted with crops |
| crop rotation | the planting of different crops in a field each year |
| nitrogen cycle | the process by which nitrogen is removed from the atmosphere, fixed in the soil by bacteria, incorporated into other living things, and then released back into the atmosphere |
Created by:
bekah0515
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