Influence of biochemical treatments on consortium of rhizobacteria and soil fertility

Authors

  • Muhammad Umer Department of Bio Sciences, COMSATS University Islamabad, Park Road, Islamabad, Pakistan
  • Saba Shabbir Department of Bio Sciences, COMSATS University Islamabad, Park Road, Islamabad, Pakistan
  • Neelam Chaudhary Department of Continuing Education, University of Agriculture, Faisalabad, Pakistan
  • Qaiser Hussain Institute of Soil Science, PMAS Arid Agriculture University, Rawalpindi, Pakistan
  • Shabbar Abbas Department of Bio Sciences, COMSATS University Islamabad, Park Road, Islamabad, Pakistan
  • Muhammad Inam Afzal Department of Bio Sciences, COMSATS University Islamabad, Park Road, Islamabad, Pakistan
  • Muhammad Sajjad Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Pakistan

DOI:

https://doi.org/10.3329/bjb.v49i3.49329

Keywords:

Biochemical treatments, Rhizobacteria, Soil fertility

Abstract

Soil was treated with different biochemicals i.e. NPK, compost, biochar, humic acid and their combination. New approach was designed to assess the impact of applied biochemicals on the activities of whole bacterial community in spite of pure isolates. The results showed that these biochemically mediated plant beneficial bacteria taken together efficiently solubilized the tri-calcium phosphate, when supplemented in Pikovskaya's broth (PKV). Phosphorus solubilization ranged from 0.231 to 0.605 μg/ml. The isolated consortium of rhizobacteria was positive for IAA production both with LB only and LB + tryptophan medium. The amount of IAA was increased by 0.25 - 1.5 folds with the addition of tryptophan to LB medium. These biochemical treatments were further tested for their effects on soil fertility improvement. Soil available phosphorus was found to improve significantly available phosphorus which ranged from 6.33 to 8.733 mg/kg. Soil pH, moisture content and organic matter were found to increase remarkably by the application of these treatments.

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Published

2020-09-20

How to Cite

Umer, M., Shabbir, S., Chaudhary, N., Hussain, Q., Abbas, S., Afzal, M. I., & Sajjad, M. (2020). Influence of biochemical treatments on consortium of rhizobacteria and soil fertility. Bangladesh Journal of Botany, 49(3), 437–444. https://doi.org/10.3329/bjb.v49i3.49329

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Articles