Advertisements
Advertisements
Question
Why is soil conservation important? Give three reasons.
Advertisements
Solution
Soil conservation is very important because soil consists of
mineral particles, moisture, living organisms like bacteria and earthworms, and decayed organic matter. It is one of the most important resources as human beings-depend on it, both directly and indirectly, for their basic needs of food, shelter, and clothing. It takes thousands of years for even a thin layer of soil to form.
APPEARS IN
RELATED QUESTIONS
Sketch the cross section of soil and label the various layers.
What are the components of topsoil?
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.

The photograph shows a framing method that helps in controlling soil erosion.
- What is this farming method called
- Mention any two other methods that help in controlling soil erosion.
Soil conservation measures are mainly aimed at protecting which of the following?
Read the following statements with reference to soil.
- Weathering is a very fast process of soil formation.
- Percolation of water is faster in sandy soils.
- Loamy soil contains only sand and clay.
- Top soil contains the maximum amount of humus.
Choose the correct statements from the above.
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of 5 feet. Provide a suitable scientific explanation.
Locate the following zones given as boxed items in figure which shows a diagram of soil profile.
| Topsoil, Subsoil, C-horizon, Bedrock |

Several terms related to soil are hidden in the squares given in figure. Spot them and make a list. Two examples are given for you.

