AP Environmental Science / Unit 5: Land and Water Use
5.4 Impact of Agricultural Practices
Notes
- Tilling loosens soil but increases erosion.
- Slash-and-burn clears forest but depletes soil quickly.
- Synthetic fertilizer runoff causes eutrophication.
Practice
Tilling increases:
Exposes loose soil.
Slash-and-burn soils lose fertility quickly because:
Short-term nutrients.
Fertilizer runoff mainly adds which pollutants?
Nutrients.
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