Сonstruction of biological fertilizer based on nitrogen-fixing and phosphate-mobilizing bacteria


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Authors

  • V.A. Babak «BIOTRON Progress» Limited liability company
  • E.Zh. Zhakupov «BIOTRON Progress» Limited liability company
  • I.A. Puntus «BIOTRON Progress» Limited liability company
  • A.K. Mukhamedzhanov «BIOTRON Progress» Limited liability company
  • B. Ergazy «BIOTRON Progress» Limited liability company
  • A.G. Mertassov «BIOTRON Progress» Limited liability company

DOI:

https://doi.org/10.32523/2616-7034-2020-130-1-14-22

Keywords:

rhizobacteria, nitrogen-fixing bacteria, phosphate-mobilizing bacteria, biological fertilizer, fertility, soil, cultivation

Abstract

The article describes the optimal parameters of deep suspension cultivation of Raoultella oxytoca 15MS and Serratia plymuthica 35MS strains, and their scaling technology. The nitrogen-fixing properties of the Raoultella oxytoca 15MS
strain were studied by PCR and the phosphate-stabilizing properties of the S. plymuthica 35MS strain were determined on a selective nutrient medium. The assessment of biofertilizer by physical, chemical and biological parameters was given, its stability was studied (the titer of enterobacteria after 6 months of storage remains at the level of an environmentally significant value (from 22.0 to 36.0 million CFU/ml).

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Published

2025-06-20

How to Cite

Babak В., Zhakupov Е., Puntus И., Mukhamedzhanov А., Ergazy Б., & Mertassov А. (2025). Сonstruction of biological fertilizer based on nitrogen-fixing and phosphate-mobilizing bacteria. BULLETIN of the L.N. Gumilyov Eurasian National University. BIOSCIENCE Series, 130(1), 14–22. https://doi.org/10.32523/2616-7034-2020-130-1-14-22

Issue

Vol. 130 No. 1 (2020)

Section

Статьи