Which element is responsible for causing | Class 12 Biology Chapter Organisms and Population, Organisms and Population NCERT Solutions

Question:

Which element is responsible for causing soil salinity? At what concentration does the soil become saline?

Answer:

Soil salinity is defined as the salt content in the soil, which is caused by improper irrigation. The process of increasing salt concentration or content is known as salinization. This occurs due to improper irrigation method from a salt laden water table. When the salt concentration in soil is increased then it get accumulated due to evaporation.

Human activities like fertilizing crops is also responsible for salinity of soil. Fertilizer contains potassium, form salt- sylvite. Soil salinity degrades soil and vegetation too. Generally the soil pH occurs between 2.2- 9.7, above this soil will be degraded by this salt content.    


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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 10: Which element is responsible for causing soil salinity? At what concentration does the soil become s....