Question

What is the significance of soil as a natural resource?

Answer 1

Hint:Soil is the thin layer of loose mixture of small rock particles and rotting organic matter that covers. It is rich in nutrients and much of the world's land surface. It supports all forests, grassland and crops from which all living creatures on earth derive their food.

Complete answer:
Various forces of nature such as changing temperature, running water and wind affect formation of soil. These forces of nature along with the chemical and organic changes that take place in the soil contribute to the evolution of soil. Thus soil itself has evolved over millions of airlines. Decomposed vegetal and animal remains, referred to as humus, add to the fertility of such as phosphorus and potassium, necessary for plants .It contains organic matter that is the structure of soil. Soil fertility can be improved by fertilizer to the soil to make up for the nutrients.all soils are formed in situ, that is, they formed in their original position by the break up of parent rocks. They include black the soil and humus silica clay soil, laterite soil, desert soil, etc.
Faulty agricultural practices, overgrazing and deforestation lead to soil erosion. Improved agricultural practices, reduced pressure of grazing and afforestation can help in the conservation of soils.

Note:India is a vast region with varied nature environments.Therefore a number of soil types have developed here. The soils of India are classified as follows
(i) It contains an adequate amount of moisture to supply essential nutrients to the plants.
(ii) It has sufficient depth to enable the plants These soils to grow their roots as per their requirement