NFL manufactures and markets three types of Bio-Fertilizers, Rhizobium, Phosphate Solubilising Bacteria (PSB) and Azetobactor. Starting with a mere 23 MT production in 1995-96, the production has risen to 231 MT (Approx) in 2010-11. The Company presently markets its bio-fertilizers in Madhya Pradesh, Maharashtra, Uttar Pradesh, Uttrakhand, Chattisgarh, Bihar, Jharkhand, Himachal Pradesh, Jammu & Kashmir, Punjab, Haryana & Rajasthan.

Bio-fertilizers are used to supplement chemical fertilizers as also to maintain soil fertility; besides the following:-

1. Bio-Fertilizers are supplement to Chemical Fertilizers.
2. Bio-Fertilizers are cheap and can reduce the cost of cultivation.
3. Fix Biological Nitrogen in the soil, which is readily available to the plant.
4. Increase crop yield by 4-5% on an average.
5. Improve soil properties and sustain soil fertility.
6. Provides plant nutrient at low cost and useful for the consecutive crops.

The applicability of Bio-Fertilizers marketed by NFL of different crops is as under: