HARD
7th CBSE
IMPORTANT
Earn 100
Complete the diagram using the following words.
A-horizon, constructions, physical weathering, air, rocks, chemical weathering, bedrock, B-horizon, humus, water, C-horizon, biological weathering, agriculture, making pots.
A-horizon, constructions, physical weathering, air, rocks, chemical weathering, bedrock, B-horizon, humus, water, C-horizon, biological weathering, agriculture, making pots.
Important Questions on Soil
HARD
7th CBSE
IMPORTANT
List a few bio-fertilizers and bio-pesticides in the table below so that you can advise the use of the same to the farmers during your visit.
| Bio-fertilizers | Bio-pesticides |
| Rhizobium found in legume plant | Bio neem gold |
