Some blue green algae can be used as biofertilizer as they are
Photosynthetic
Surrounded by mucilage
Growing every where
Capable of fixing nitrogen
Farmers have reported over $50\%$ higher yields of rice by using which of the following biofertilizer
Which of the following is not a symbiotic nitrogen fixing bacterium?
Rhizosphere is the region where
The best fertilizer for paddy is
Why are cyanobacteria considered useful in paddy fields ?