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Role of PGPR in the Phytoremediation of Heavy Metals and Crop Growth Under Municipal Wastewater Irrigation

  • Naeem Khan
  • Asghari Bano
Chapter

Abstract

The use of wastewater for crop growth is a centuries-old practice that gets renewed attention with the rising shortage of freshwater resources in many arid and semiarid regions of the world. Wastewater is extensively used as an inexpensive substitute to conservative irrigation water: supporting livelihoods and generating significant value to the agriculture of urban and peri-urban areas. Many microorganisms are known to inhabit soil, especially rhizosphere, and play an important role in plant development and in remediation of heavy metals. Microbial populations are known to affect heavy metal mobility and availability to the plant through release of chelating agents, acidification, phosphate solubilization, and redox changes. Nanoparticles play a key role in plant growth and development and in the phytoremediation when applied alone or in combination with PGPR. The combined effect of rhizobacteria and Ag nanoparticles in bioremediation has been reviewed in this chapter.

Keywords

Phytoremediation Wastewater Silver nanoparticles PGPR 

Notes

Conflict of Interest

The authors declare no conflict of interest.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Naeem Khan
    • 1
  • Asghari Bano
    • 2
  1. 1.Department of Plant SciencesQuaid-I-Azam UniversityIslamabadPakistan
  2. 2.Department of BiosciencesUniversity of WahWah CanttPakistan

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