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Salinity Stress Mitigation Using Encapsulated Biofertilizers for Sustainable Agriculture

Author

Listed:
  • Nermin Adel Hussein El Semary

    (Department of Biological Sciences, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia
    Department of Botany and Microbiology, Faculty of Science, Helwan University, Cairo 11795, Egypt)

  • Mohamed Helmi Hadj Alouane

    (Department of Physics, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia
    Micro-Optoelectronic and Nanostructures Laboratory, Faculty of Sciences, University of Monastir, Monastir 5019, Tunisia)

  • Olfa Nasr

    (Department of Physics, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia
    Micro-Optoelectronic and Nanostructures Laboratory, Faculty of Sciences, University of Monastir, Monastir 5019, Tunisia)

  • Munirah F. Aldayel

    (Department of Biological Sciences, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia)

  • Fatimah H. Alhaweti

    (Department of Biological Sciences, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia)

  • Faheem Ahmed

    (Department of Physics, College of Science, King Faisal University, P.O Box: 400, Al-Ahsa 31982, Saudi Arabia)

Abstract

The harmful effect of salinity stress on crops needs to be mitigated. Therefore, the application of microbial inoculum in combination with nanomaterials and methyl salicylate was investigated. Initially, different seeds were exposed to salinity levels treated with variable microbial treatments using different modes of applications. The microbial treatments included application of cyanobacterial strain Cyanothece sp. and the rhizobacterium Enterobacter cloacae , alone or in combination with one another, and a final treatment using combined microbial inoculum supplied with methyl salicylate. Later, different nanomaterials were used, namely, graphene, graphene oxide, and carbon nanotubes in combination with biofertilizers on the highest salinity level. The nanomaterial with microbial treatment and methyl salicylate were applied partly as a mixture in soil and partly as capsules. Results showed that salinity stress had a drastic inhibitory effect on growth parameters, especially at −5 MPa level. Nonetheless, the microbial treatments significantly alleviated the deleterious effect of salinity stress, especially when combined with methyl salicylate. When the nanomaterials were added to biofertilizers at highest salinity level, the inhibitory effect of salinity was mostly alleviated. Smart use of synergistic biofertilizers alongside the right nanomaterial, both encapsulated and in soil, would allow for mitigation and alleviation of inhibitory effect of salinity.

Suggested Citation

  • Nermin Adel Hussein El Semary & Mohamed Helmi Hadj Alouane & Olfa Nasr & Munirah F. Aldayel & Fatimah H. Alhaweti & Faheem Ahmed, 2020. "Salinity Stress Mitigation Using Encapsulated Biofertilizers for Sustainable Agriculture," Sustainability, MDPI, vol. 12(21), pages 1-16, November.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:21:p:9218-:d:440629
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    Citations

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    Cited by:

    1. Roohallah Saberi Riseh & Marzieh Ebrahimi-Zarandi & Elahe Tamanadar & Mojde Moradi Pour & Vijay Kumar Thakur, 2021. "Salinity Stress: Toward Sustainable Plant Strategies and Using Plant Growth-Promoting Rhizobacteria Encapsulation for Reducing It," Sustainability, MDPI, vol. 13(22), pages 1-17, November.

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