Abstract
Nitrogen is the most essential macronutrient for the growth of plants. The current scenario of soil engineering is based on synthetic nitrogen fertilizer and imposing economical as well as environmental stress. Biological nitrogen fixation (BNF) is the only strategy to fulfill the nitrogen demand of plants in a sustainable manner. BNF provides N, which is economic and ecofriendly, reduces the use of chemical fertilizers, and improves the internal resources by engineering the rhizosphere. Indigenous diazotrophs increase the crop productivity, availability or uptake of nutrients through hormonal action or antibiosis. The main objective of rhizosphere engineering is reducing our dependence on agrochemicals by replacing them with ecofriendly beneficial native microbes or introducing the genetically engineered microbes, biostimulants in the soil. Hence, it will help us in developing environment-friendly sustainable agriculture.
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