Which is correct about nitrogen fixation by legumes. They fix nitrogen through
Specialised bacteria in their roots
Specialised bacteria in their leaves
Independent of bacteria that live in their roots
The statement is wrong
Aquatic fern which is an excellent biofertilizer
Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
Agricultural chemicals include
Which one of the following is not a biofertilizer?
The main sources of biofertilisers are