Bio-fertilizers are used to supplement chemical fertilizers as also to maintain soil fertility; besides the following:-
- Bio-Fertilizers are supplement to Chemical Fertilizers.
- Bio-Fertilizers are cheap and can reduce the cost of cultivation.
- Fix Biological Nitrogen in the soil, which is readily available to the plant.
- Increase crop yield by 4-5% on an average.
- Improve soil properties and sustain soil fertility.
- Provides plant nutrient at low cost and useful for the consecutive crops.