Find out the correct match w.r.t salinity (in parts per thousand ):
In land water = >5
Sea water =60-65
Hyper saline logoons = >100
Fresh water = >3
As we have already discussed in Degradation By Improper Resource Utilisation & Maintenance -
Waterlogging and soil salinity -
Irrigation without proper drainage of water leads to waterlogging in the soil. Besides affecting the crops, waterlogging draws salt to the surface of the soil. The salt then is deposited as a thin crust on the land surface or starts collecting at the roots of the plants.
- wherein
This increased salt content is inimical to the growth of crops and is extremely damaging to agriculture. Waterlogging and soil salinity are some of the problems that have come in the wake of the Green Revolution.
Hence, the correct option is (c).