B.9 Soil Quality Flashcards
Explain Fertilizer Use
Soil with added nutrients
Explain Irrigation
watering crops
Explain clearing land
Removing trees, bushes, and native plants
Explain plowing
cutting into soil and the top layer over.
Explain crop rotation
planting a different crop in a particular field every year
How do Humans reduce the quality of soil ?
by harvesting plants and not letting them die and decompose
into the soil-less nutrients
How is Fertilizer use Helpful?
- provides nutrients
How is Fertilizer use harmful?
- overuse can pollutes streams, rivers, and lakes
How is Fertilizer helpful?
provides nutrients
How is Irrigation helpful?
provides water for photosynthesis
How is Irrigation harmful?
-too much water causes root rot
How is clearing land harmful?
-can lead to erosion ( no root holding soil in place)
- disrupting the ecosystem
How is clearing land helpful?
-make space
How is plowing helpful?
- makes soil less compact ( allows drainage)
How is plowing harmful?
- makes soil particles smaller (cause soil to be more compact like clay)