Abstract
The beneficial microbiomes associated with rhizosphere provide innumerable benefits to plants and the environment. They collectively associate for maintaining the health and nutrient dynamics of soil, sequestering/mobilizing nutrients to plants, improving the plant growth, and defending them from biotic and abiotic stress. Due to the modern cultivation practices and climate change, sustenance and efficacy of beneficial soil microbiome have been deteriorated over the years. It is, therefore essential to identify, mass multiply, and recharge rhizosphere with the most effective and multifunctional beneficial microbiome.
Researchers have documented a sizeable number of plant beneficial microbiomes for the past six decades. Producers have started manufacturing and commercializing select microbiome successfully worldwide. Rules, regulations, and nomenclature for commercializing them have differed from country to country. Guidelines have been proposed for the use of beneficial microbiome that is not covered under plant protection code. They were, however, not strictly implemented in several countries due to their safety and green nature. As the global biostimulant and biofertilizer market is expected to reach US$ 4.9 billion by the year 2025 with an annual growth rate of 11.46%, global regulatory mechanisms for biostimulants and biofertilizers have become active since the year 2018. The overall commercial potential of biostimulants and biofertilizers is high in Europe, followed by North America, Asia Pacific, and Latin American countries.
India and China have classified nutrient fixing/solubilizing/mobilizing rhizobacteria as biofertilizers. Recently, regulatory guidelines are being framed for commercializing biostimulants including beneficial microbiome. In this book chapter, we have highlighted the rhizosphere beneficial microbe’s importance, benefits, nomenclature, commercial potential, and regulations and the importance for uniform global guidelines for product registration. The importance of integrating biofertilizers with conventional fertilizers, introducing new microbial consortia formulations, economics, and bottlenecks was also discussed.
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Acknowledgements
The authors acknowledge the help rendered by Dr. V. Anitha, Director (P&M), PJTSAU, Hyderabad, and Dr. P.S. Vimala Devi, Principal Scientist (Rtd), ICAR-IIOR, Hyderabad, for their valuable feedback. Thanks are also due to Mr. R. Prasad Babu, Coordinator (Regulatory Affairs), Varsha Bioscience, and Technology India Pvt. Ltd. for the suggestions and support.
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Peter, A.J., Amalraj, E.L.D., Talluri, V.R. (2020). Commercial Aspects of Biofertilizers and Biostimulants Development Utilizing Rhizosphere Microbes: Global and Indian Scenario. In: Sharma, S.K., Singh, U.B., Sahu, P.K., Singh, H.V., Sharma, P.K. (eds) Rhizosphere Microbes. Microorganisms for Sustainability, vol 23. Springer, Singapore. https://doi.org/10.1007/978-981-15-9154-9_27
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