Biofertilizers: Prospects and Challenges for Future

Chakraborty, Tanushree; Akhtar, Nasim

doi:10.1002/9781119724995.ch20

Cited by 20 publications

(8 citation statements)

References 26 publications

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“…Biofertilizer inoculation is a promising strategy to improve crop yields and reduce the use of chemical fertilizers, thereby creating environment-friendly sustainable agriculture ( Basu et al, 2021 ; Chakraborty and Akhtar, 2021 ; Mohanty et al, 2021 ). Various plant growth-promoting microbes have been characterized for beneficial traits, which play a significant role in improving the accessibility of nutrients such as N, P, K, Zn and S, in modulation of phytohormones, suppression of plant diseases and alleviation of abiotic stresses ( Wasai and Minamisawa, 2018 ; Glick and Gamalaro, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Kumar

Diksha

Sindhu

et al. 2022

Current Research in Microbial Sciences

128

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Highlights Agriculture plays an important role in a country's economy. In modern intensive agricultural practices, chemical fertilizers and pesticides are applied on large scale to increase crop production in order to meet the nutritional requirements of the ever-increasing world population. However, rapid urbanization with shrinking agricultural lands, dramatic change in climatic conditions and extensive use of agrochemicals in agricultural practices has been found to cause environmental disturbances and public health hazards affecting food security and sustainability in agriculture. Besides this, agriculture soils are continuously losing their quality and physical properties as well as their chemical (imbalance of nutrients) and biological health due to indiscriminate use of agrochemicals. Plant-associated microbes with their plant growth- promoting traits have enormous potential to solve these challenges and play a crucial role in enhancing plant biomass and crop yield under greenhouse and field conditions. The beneficial mechanisms of plant growth improvement include enhanced availability of nutrients (i.e., N, P, K, Zn and S), phytohormone modulation, biocontrol of phytopathogens and amelioration of biotic and abiotic stresses. This plant-microbe interplay is indispensable for sustainable agriculture and these microbes may perform essential role as an ecological engineer to reduce the use of chemical fertilizers. Various steps involved for production of solid-based or liquid biofertilizer formulation include inoculum preparation, addition of cell protectants such as glycerol, lactose, starch, a good carrier material, proper packaging and best delivery methods. In addition, recent developments of formulation include entrapment/microencapsulation, nano-immobilization of microbial bioinoculants and biofilm-based biofertilizers. Thus, inoculation with beneficial microbes has emerged as an innovative eco-friendly technology to feed global population with available resources. This review critically examines the current state-of-art on use of microbial strains as biofertilizers in different crop systems for sustainable agriculture and in maintaining soil fertility and enhancing crop productivity. It is believed that acquisition of advanced knowledge of plant-PGPR interactions, bioengineering of microbial communities to improve the performance of biofertilizers under field conditions, will help in devising strategies for sustainable, environment-friendly and climate smart agricultural technologies to deliver short and long terms solutions for improving crop productivity to feed the world in a more sustainable manner.

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Section: Discussionmentioning

confidence: 99%

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Kumar

Diksha

Sindhu

et al. 2022

Current Research in Microbial Sciences

128

View full text Add to dashboard Cite

show abstract

“…Biofertilizers have been demonstrated to increase the growth and development of plants by increasing the availability of macro and micronutrients to the plant system. Azotobacter , Azosporillum , Phosphobacteria , and Rhizobium -based biofertilizers are well-known and successful ( Jorquera et al, 2008 ; Singh et al, 2014 ; Balogun et al, 2021 ; Chakraborty and Akhtar, 2021 ; Taj and Mohan, 2022 ). Pseudomonas , Aspergillus ( A. niger , A. flavus , and A. fumigatus ) ( Balogun et al, 2021 ), Burkholderia , Advenella species, Cellulosi microbium sp.…”

Section: Application Of Phytase-producing Biofertilizersmentioning

confidence: 99%

Insight into phytase-producing microorganisms for phytate solubilization and soil sustainability

et al. 2023

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The increasing demand for food has increased dependence on chemical fertilizers that promote rapid growth and yield as well as produce toxicity and negatively affect nutritional value. Therefore, researchers are focusing on alternatives that are safe for consumption, non-toxic, cost-effective production process, and high yielding, and that require readily available substrates for mass production. The potential industrial applications of microbial enzymes have grown significantly and are still rising in the 21st century to fulfill the needs of a population that is expanding quickly and to deal with the depletion of natural resources. Due to the high demand for such enzymes, phytases have undergone extensive research to lower the amount of phytate in human food and animal feed. They constitute efficient enzymatic groups that can solubilize phytate and thus provide plants with an enriched environment. Phytases can be extracted from a variety of sources such as plants, animals, and microorganisms. Compared to plant and animal-based phytases, microbial phytases have been identified as competent, stable, and promising bioinoculants. Many reports suggest that microbial phytase can undergo mass production procedures with the use of readily available substrates. Phytases neither involve the use of any toxic chemicals during the extraction nor release any such chemicals; thus, they qualify as bioinoculants and support soil sustainability. In addition, phytase genes are now inserted into new plants/crops to enhance transgenic plants reducing the need for supplemental inorganic phosphates and phosphate accumulation in the environment. The current review covers the significance of phytase in the agriculture system, emphasizing its source, action mechanism, and vast applications.

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“…( Yadav and Saxena, 2018 ; Tiwari et al., 2019 ). Their genetic diversity can be exploited in the agro-industrial sector, therefore, replacing chemical-based products and promoting cost-effective, eco-friendly, and sustainable agriculture ( Yadav, 2021 ; Chakraborty and Akhtar, 2021 ). Soil salinity (a high concentration of soluble sodium salts in soil) causes soil degradation and inhibits the growth of plants and is a major obstacle in the agricultural industry ( Otlewska et al., 2020 ).…”

Section: Industrial Applications Of Extremophilesmentioning

confidence: 99%

Perspectives on the microorganism of extreme environments and their applications

Kumar

Kochhar

Kavya

et al. 2022

Current Research in Microbial Sciences

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Biofertilizers: Prospects and Challenges for Future

Cited by 20 publications

References 26 publications

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Insight into phytase-producing microorganisms for phytate solubilization and soil sustainability

Perspectives on the microorganism of extreme environments and their applications

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