A.Killing bacteria
B.Adding nitrogenous wastes
C.Turning over the soil
D.By burrowing
Related Mcqs:
- Earthworms are beneficial for human begins because:
- A unit of soil classification as well as soil mapping which is similar to soil series in most of the soil properties except one or two but the area of such a unit is not enough to establish it as a separate series and show on a soil map, is known as:
- Positive pollution of soil is due to:?
- Blood transports:
- The presence of high coliform counts in water indicates __________?
- Soil conservation is the process where:
- An example of nitrogen fixing bacteria in the soil is __________?
- Except which one, all other processes help in adding nitrogen to soil:
- A combination of many taxonomic units like soil series, phase or types is called:
- Earthworms live:
