Q.1 Why is soil considered an important resource? Give reasons.
Q.2 Explain 5 factors responsible for soil formation.
Q.3 Explain 5 methods to conserve soil.
Q.4 Explain any 5 causes of soil erosion.
Q.5 Find out 10 objective type question from this presentation. (5 Fillups
+ 5 MCQ’s)
Q.6 How does the present conditions(corona,lockdown etc) affect the land resources ?
Q.7 Define resources:
1. Humus 2. Soil Erosion 3. Afforestation 4. Soil
Answers
Answer:
deforestation, migration of the people, decomposition of other factors
Answer:
Soil is one of the most important and essential natural resources. ... Soils offer plants physical support, air, water, temperature moderation, nutrients, and protection from toxins. Soils provide readily available nutrients to plants and animals by converting dead organic matter into various nutrient forms
Soils form from the interplay of five main factors namely Parent material, Time, Climate, Relief and Organisms. Parent material: This refers to the mineral material or organic material from which the soil is formed.
Reduce Impervious Surfaces
Impervious surfaces, such as driveways and patios, allow precipitation to flow freely over them. Water flow gains momentum when moving over such surfaces and can then erode stream banks and lakeshores. A good compromise is to use paving stones rather than a concrete slab for your patio to allow the water to percolate down into the soil.
Wind. When strong winds blow, the topsoil along with the organic matter is carried away by the wind. ...
Water. When it rains in the hilly areas, the soil gets washed away towards the plains. ...
Overgrazing. ...
Deforestation. ...
Afforestation. ...
Crop Rotation. ...
Terrace Farming. ...
Building Dams.