Role of Microbial Synthesis of Nanofertilizers in Sustainable Agriculture

As global food demand continues to rise, there is an urgent need for innovative and environmentally friendly solutions. Microbially synthesized nanofertilizers (MNFs) are a promising alternative source of conventional fertilizers that can improve nutrient use efficiency, reduce environmental effects, and enhance soil health. It presents the role of MNFs in sustainable agriculture based on the involvement of microbial processes in their synthesis, types of nanoparticles used, and mechanisms through which they have an action to increase plant growth. Some of the benefits include an increase in the bioavailability of nutrients, the efficient release of nutrients, and better interaction with the soil microflora, thereby promoting healthier crops and reducing reliance on chemical fertilizers. MNFs further reduce the amount of nutrients lost through runoff, thereby lowering the pollution levels of water bodies and greenhouse gas emissions, thereby being environmentally sustainable. Moreover, these are economical in cost and have the scope of being implemented in combination with other sustainable agriculture techniques like organic farming and precision agriculture. The MNFs also pose challenges to be overcome by regulations, public acceptance, and economies of scale. Future advances in microbial biotechnology, biodegradable nanofertilizers, and smart nutrient delivery systems promise to lead to further growth of MNFs as tools that support the long-term sustainability of agriculture. Concluding this chapter with a call for further research and collaboration would help to ensure that the full potential of microbial nanofertilizers can be realized for solving the challenges facing modern farming systems.