Advertisements
Advertisements
Question
Fertile soil has lots of humus. Why?
Solution
Fertile soils are rich in organisms that digest dead organic matter, resulting in the formation of humus. Humus adds minerals to the soil, absorbs water, and makes it porous.
APPEARS IN
RELATED QUESTIONS
How is soil formed?
What is weathering? Elucidate in the various types of weathering.
How do organisms contribute in the formation of soil?
What is soil? How does it form?
Give various sources and harmful effects of soil pollution.
Mention briefly the role of decomposers of cycling of materials.
Soil erosion can be prevented by
Lichens are called pioneer colonisers of bare rock. How can they help in the formation of soil?
Explain the role of the Sun in the formation of soil.
Carbon dioxide is necessary for plants. Why do we consider it a pollutant?