Biofertilizers Impact Factor
Biofertilizers are the substance containing the living or latent
cells of a microorganism. By colonizing the plant's rhizosphere, Biofertilizers increase the nutrients of host plants when applied to their seeds,
plant surfaces or soil. Biofertilizers are more cost-effective than conventional fertilizers. Biofertilizers are the
microbial inoculants that can usually be defined as a preparation containing live or dormant
cells containing efficient nitrogen fixing strains, solubilizing phosphates and cellular microorganisms. Biofertilizers fix and make available to the
plant atmospheric nitrogen in the soil and root nodules of legume crops. They solvent the insoluble forms of phosphates such as tricalcium, iron and aluminum phosphates. They scavenge phosphate from layers of soil. They produce anti-metabolites and
hormones which promote root growth. They decompose organic matter, and assist in soil mineralization. Biofertilizers, when applied to seed or soil, increase nutrient availability and increase yield by 10 to 25 per cent without adversely affecting soil and environment. Based on the type of microorganism biofertilizers can be classified as Bacterial, fungal, algal and actinimycetesbiofertilizers.
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