Advertisements
Advertisements
प्रश्न
Fertile soil has lots of humus. Why?
Advertisements
उत्तर
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
संबंधित प्रश्न
What is soil erosion?
We know that many human activities lead to increasing levels of pollution of the air, water-bodies and soil. Do you think that isolating these activities to specific and limited areas would help in reducing pollution?
What is soil? How does it form?
Give various sources and harmful effects of soil pollution.
Define soil erosion. Give its causes, effects and preventive measures.
Mention briefly the role of decomposers of cycling of materials.
Top-soil contains the following
Soil formation is done by both abiotic and biotic factors. List the names of these factors by classifying them as abiotic and biotic?
Why step farming is common in hills?
Carbon dioxide is necessary for plants. Why do we consider it a pollutant?
