Question

What are bio-fertilizers? Why should we use only
them?​

Answer 1

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Biofertilizers add nutrients through the natural processes of nitrogen fixation, solubilizing phosphorus, and stimulating plant growth through the synthesis of growth-promoting substances. ... Through the use of biofertilizers, healthy plants can be grown, while enhancing the sustainability and the health of the soil....

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Answer 2

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Biofertilizers are important for the following reasons: Biofertilizers improve soil texture and yield of plants. ... Biofertilizers protect the environment from pollutants since they are natural fertilizers. They destroy many harmful substances present in the soil that can cause plant diseases.1)Biofertilizers increase the nitrogen and phosphorus available to plants more naturally than other fertilizers. 2)They also helps in reducing dependence upon expensive petroleum sources of chemical fertilizers. 3)They restore normal fertility to the soil and make it biologically alive.The various biofertilizers are as follows: Nitrogen-fixing biofertilizers Nitrogen-fixing bacteria function under two types of conditions, symbiotically and as free-living (non-symbiotic) as well as associative symbiotic bacteria.