Advertisements
Advertisements
Question
How does the activity of each one of the following help in organic farming?
Cyanobacteria
Advertisements
Solution
Cyanobacteria are free-living or symbiotic blue-green algae which are capable of converting atmospheric molecular nitrogen into the soluble form like nitrites or nitrates.
This is called nitrogen fixation.
The cyanobacteria carry out this process when free-living in the soil or plant roots and enrich the nitrogen content of the soil acting as a natural fertilizer.
APPEARS IN
RELATED QUESTIONS
What is a heterocyst?
Define biofertilizers. Give two types of fungal biofertilizers
identify the plants with which Anabaena, is associated.
Which of the following statements are CORRECT regarding Anabaena and Frankia?
Mycorrhiza forms symbiotic association with ____________ of higher plants.
Blue green algae are used as bio fertilizers because they ____________.
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
Why are cyanobacteria considered useful in paddy fields?
Give two examples of biofertilizer.
Which biofertilizer system is particularly significant for rice cultivation in paddy fields?
