Question

Write the role of nitrogen fixing cyanobacteria in soil fertility management​

Answer 1

Answer:

Cyanobacteria are oxygenic photosynthetic bacteria that are widespread in marine, freshwater and terrestrial environments, and many of them are capable of fixing atmospheric nitrogen. ... Nonheterocystous cyanobacteria may temporally separate these processes by fixing nitrogen during the night.

Explanation:

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Answer 2

Explanation:

• Cyanobacteria fix nitrogen only under combined nitrogen deficient conditions.
• When fixation bacteria die, the accumulated N in their biomass is released into the soil.
• This way, they boost soil fertility naturally, allowing farmers to save on synthetic fertilizers.