Q. 105.0( 1 Vote )

Which element is

Class 12th Biology - Exemplar 13. Organisms and Populations

Answer :

The elements responsible for causing soil salinity are Na⁺, K⁺, Ca²⁺, Mg²⁺ and Cl^-.

Soil salinity is the salt content in soil, which is caused by improper irrigation. Causes of Soil Salinity are:

> improper irrigation

> Human activities like fertilizing crop

Salinity of soil degrades soil and vegetation. Normally the pH value of soil is in between 2.2 - 9.7 above which the soil is degrading by salt content.

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