Define biofertilizers.

What are biofertilizers ? Name two sources of biofertilizers.

How are biofertilizers different from fertilizers such as NPK that we buy in the market ? Justify the role of biofertilizers.

Define Fertilizer.

What are Biofertilizers? What are the advantages of using biofertilizers in agriculture.

What are biofertilizers ? What are the main sources of biofertilizers ?

Biofertilizers are those organisms which enrich the soil nutrients and increase the soil fertility. The extent of use of biofertilizers is debatable among the workers. Biofertilizers are said to be symbiotic associations.

Biofertilizers are those organisms which enrich the soil nutrients and increase the soil fertility. The extent of use of biofertilizers is debatable among the workers. Discuss the bacteria and mycorrhyzae as biofertilizers.

Discuss the role of Microbes as biofertilizers.

Cyanobacteria are useful biofertilizers in the fields of :