B.9 Flashcards
How do humans reduce the quality of soil
by harvesting plants and not letting them die and decompose into soil (less nutrients)
How is fertilizer use helpful to plants.
It provides lots of nutrients.
How is irrigation helpful to plants
- Provides water
- Photosynthesis.
How is clearing plants helpful
It makes space for plants
How is plowing helpful
It makes soil less compact. ( allows drainage)
How is crop rotation helpful
Less fertilizers needed/ plants don’t run out of nutrients.
How is fertilizer use harmful
Overuse can pollute streams, rivers and lakes
How is irrigation harmful
too much water can cause root rot.
How is clearing land harmful
- disrupting the ecosystem
- it can lead to erosion
How is plowing harmful
makes soil particles smaller.( cause soil to be more compact like clay )
How is crop rotation harmful
must be planned properly or else a plant may not get the needed nutrients
Fertilizer meaning
Soil with added nutrients
Irrigation meaning
Watering crops
Clearing land meaning
Removing trees, bushes, and native plants
Plowing meaning
cutting into the soil and turning the top layer over.
