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The use of microbes as biofertilizers

Review Paper | September 13, 2022

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Sehrish Kalsoom, Dr. Zahida Nasreen, Aneela Sharif, Uzma Shaheen

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Int. J. Biosci.21( 3), 189-198, September 2022

DOI: http://dx.doi.org/10.12692/ijb/21.3.189-198


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The excessive applications of chemical fertilizer to improve land fertility and to increase crop yield often lead to unanticipated detrimental ecological effects which includes surface overflow in phosphorus, nitrogen and leakage of nitrates into ground water. They are involved in basic activities which make sure the stability and efficiency of both of the natural ecosystem and agriculture system. There is a strong emerging business for microbial inoculants globally now a day’s these bacteria mainly belonging to genera Azospirillium and Rhizobium flourish within the plant effectively colonizing all parts of plant. Through the union the attacking bacteria provide benefits to the host with a noticeable rise in plant strength, yield and growth. Uses of advantageous microbes as a bio-fertilizer has dynamic significance in agriculture field for their credible role in the food protection and sustainable crop yield. These bio-friendly plant growth promoting rhizobacteria (PGPRs) occurring in rhizosphere can produce growth enhancing substances in large quantities that can directly or indirectly manipulate the general morphology of the plants. They offer a reasonably attractive and ecologically good method for providing nutrient to the plant. Though Chemical fertilizers are easily accessible with good transport facility but extreme and extended use of the chemical fertilizer is a growing problem with some harmful effects on the environment, that is, decreased productivity, soil fertility and soil structure. The nonuseful effects of chemical fertilizer can be reduced by taking up manure or organic fertilizer. Moreover, biofertilizers due to its low cost have attracted small farmers. This review focuses on the useful aspects of biofertilizers in order to promote their use and avoid the detrimental effects of chemical fertilizers.


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