Question
Which element is responsible for causing soil salinity? At what concentration does the soil become saline?
✓
Answer
Minerals are responsible for causing soil salinity. Following are some of the cause for increase in soil salinity:
- High level of salt in soil.
- Water table movement because of landscape features.
- Human activities; like clearing of land and excess use of synthetic fertilizers.
- Salt runoff from streets can happen in cold climates because salt is applied on road to prevent snow accumulation.
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