Utilizing bio fertilizers is a creative and long-lasting way to increase crop yields while also supporting environmental protection. They are natural products made from bacteria, fungi, algae, and other live microorganisms. They improve soil quality by fixing nitrogen in the air, breaking down organic matter, and making it easier for plants to take in nutrients. Bio fertilizers are better for the environment than chemical fertilizers because they don't damage the land or pollute the water like too many chemical fertilizers do. They also don't release greenhouse gases like too many chemical fertilizers do. Bio fertilizers are a potential option to traditional fertilizers that can help the growth of a circular agricultural system. This is because healthy farming methods are becoming more important. Bio fertilizers' main job is to improve the health of the soil by increasing the number of microbes, which then helps the movement of nutrients. Nitrogen-fixing bacteria, like Rhizobium and Azotobacter, change nitrogen in the air into a form that plants can use. This means that manmade nitrogen fertilizers are not needed as much. In the same way, phosphate-solubilizing bacteria (PSB) and mycorrhizal fungus make minerals like phosphorus more bioavailable, which helps plants grow and produce more. Additionally, bio fertilizers are known to build up a plant's systemic tolerance, which helps it fight off different diseases and weather pressures. This makes crops more resilient overall. Application of bio fertilizers is suitable with organic farming methods and can also be used in standard farming methods. Their use is especially helpful for keeping the soil fertile over time, making it more stable, and increasing the amount of organic matter in it. This results in higher crops that last longer. Bio fertilizers can also save farmers money because they are often made locally and farmers don't have to use as many expensive chemicals. Though they have great potential, bio fertilizers are not often employed as people are unaware of them, they are difficult to locate, and more study and development is required to guarantee consistent quality and efficacy of every product. However, bio fertilizers will become even more important in enhancing food security, reducing environmental effect, and promoting long-lasting farming as agricultural techniques all around grow more environmentally friendly and long-lasting.
Keywords: Bio fertilizers, Sustainable agriculture, Soil health, Nitrogen fixation, Microbial diversity, Organic farming
How to cite this article:Jadhav KD, Kumar N, Pathade AG, Patil DV, Sonu K.., Bio fertilizers and Their Role in Sustainable Agriculture .Int J Drug Deliv Technol. 2026;16(1s): 1177-1190 DOI: 10.25258/ijddt.16. 1177-1190