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<p>Land degradation can cause food insecurities and can damage ecosystems. This study highlights the potential of cyanobacteria (<i>Anabaena variabilis, Spirulina platensis, Scytonema javanicum,</i>&#xa0;and&#xa0;<i>Nostoc commune</i>), along with bacteria&#xa0;(<i>Bacillus s</i>p. SSAU-2), and their consortia to form biological soil crust, restoring soil properties and promoting plant growth. The efficiency of soil improvement was characterized by physiochemical parameters such as phosphate solubilization, %TOC, pH, and salinity. Scanning electron microscopy and a pot experiment were utilized to observe the morphological and soil improvement studies. Bacterial inoculation resulted in significant improvements in soil fertility, such as exopolysaccharide, organic carbon, organic matter, phosphorus content, and total soil porosity. Cyanobacteria consortia were more effective than monocultures at improving soil fertility and promoting barley plant development. The potential value of selected cyanobacteria and bacterial consortia as a useful tool for the restoration of degraded land is demonstrated experimentally by this study.</p>

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Enhancement of soil fertility utilizing cyanobacteria-bacteria consortia

  • 期刊论文

  • 发表日期：

    2025年1月14日

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  • Neetu Maurya,
  • Abhijeet Sharma,
  • Shanthy Sundaram

摘要

Land degradation can cause food insecurities and can damage ecosystems. This study highlights the potential of cyanobacteria (Anabaena variabilis, Spirulina platensis, Scytonema javanicum, and Nostoc commune), along with bacteria (Bacillus sp. SSAU-2), and their consortia to form biological soil crust, restoring soil properties and promoting plant growth. The efficiency of soil improvement was characterized by physiochemical parameters such as phosphate solubilization, %TOC, pH, and salinity. Scanning electron microscopy and a pot experiment were utilized to observe the morphological and soil improvement studies. Bacterial inoculation resulted in significant improvements in soil fertility, such as exopolysaccharide, organic carbon, organic matter, phosphorus content, and total soil porosity. Cyanobacteria consortia were more effective than monocultures at improving soil fertility and promoting barley plant development. The potential value of selected cyanobacteria and bacterial consortia as a useful tool for the restoration of degraded land is demonstrated experimentally by this study.