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- Title
Mechanism and application of Sesbania root-nodulating bacteria: an alternative for chemical fertilizers and sustainable development.
- Authors
Singh, Kuldeep; Gera, Rajesh; Sharma, Ruchi; Maithani, Damini; Chandra, Dinesh; Bhat, Mohammad Amin; Kumar, Rishendra; Bhatt, Pankaj
- Abstract
Chemical fertilizers are used in large-scale throughout the globe to satisfy the food and feed requirement of the world. Demanding cropping with the enhanced application of chemical fertilizers, linked with a decline in the recycling of natural or other waste materials, has led to a decrease in the organic carbon levels in soils, impaired soil physical properties and shrinking soil microbial biodiversity. Sustenance and improvement of soil fertility are fundamental for comprehensive food security and ecological sustainability. To feed the large-scale growing population, the role of biofertilizers and their study tends to be an essential aspect globally. In this review, we have emphasized the nitrogen-fixing plants of Sesbania species. It is a plant that is able to accumulate nitrogen-rich biomass and used as a green manure, which help in soil amelioration. Problems of soil infertility due to salinity, alkalinity and waterlogging could be alleviated through the use of biologically fixed nitrogen by Sesbania plants leading to the conversion of futile land into a fertile one. A group of plant growth-promoting rhizobacteria termed as "rhizobia" are able to nodulate a variety of legumes including Sesbania. The host-specific rhizobial strains can be used as potential alternative for nitrogenous fertilizers as they help the host plant in growth and development and enhance their endurance under stressed conditions. The review gives the depth understanding of how the agriculturally important microorganisms can be used for the reduction of broad-scale application of chemical fertilizers with special attention to Sesbania-nodulating rhizobia.
- Subjects
FERTILIZERS; SESBANIA; NITROGEN fertilizers; PLANT growth-promoting rhizobacteria; SUSTAINABLE development; BIOFERTILIZERS; WATERLOGGING (Soils)
- Publication
Archives of Microbiology, 2021, Vol 203, Issue 4, p1259
- ISSN
0302-8933
- Publication type
Article
- DOI
10.1007/s00203-020-02137-x