What are Biofertilizers?

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Ans. Biofertilizers are microorganisms that enrich the nutrient quality of soil. The main sources of biofertilizers are bacteria, fungi and cyanobacteria. These are products consisting of selected and beneficial microorganisms, which are known to improve plant growth through supply of plant nutrients. Biofertilizers are necessary for developing organic agriculture, sustainable agriculture, green agriculture and non-pollution agriculture. They are widely used in crop production.
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Biofertilizers are microorganisms, either naturally occurring or genetically modified, that improve the physical condition of soil, aid plant growth or increase crop yield. These may include rhizobia, such as R.meliloti, B.japonicum; free living nitrogen fixing bacteria, such as Bacillus, Pseudomonas; or fungi, such as Penicillium, Glomus spp. By using biofertilizers, farmers can reduce the amount of chemical fertilizers they use. This helps preserve the environment for the generations to come. more
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