How is the presence of cyanobacteria in paddy fields beneficial to the rice crop?
Asked by Topperlearning User
| 11th Jun, 2014,
09:25: AM
Expert Answer:
Cyanobacteria can fix atmospheric nitrogen. The soil conditions in paddy fields provide suitable environment for the growth of nitrogen fixing cyanobacteria. Cyanobacteria act as important biofertilisers. They also add organic matter to the soil and increase its fertility.
Answered by
| 11th Jun, 2014,
11:25: AM
Concept Videos
- How do the following microbes act as Biocontrol agents ?
- Describe a biogas plant in brief.
- What are biofertilisers? Give the significance of biofertilisers.
- List the characteristics of an ideal pesticide.
- What are the advantages of using biofertilisers in agriculture?
- Name the group of organisms and the substrate they act on to produce biogas.
- What are biopesticides? Give the scientific name and the use of first commercially used biopesticide in the world.
- Why is Rhizobium categorised as a 'symbiotic bacterium'? How does it act as a biofertiliser?
- How do mycorrhizae act as biofertilisers? Explain. Name a genus of fungi that forms mycorrhizal association with plants.
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change