Applied Microbiology and Biotechnology

, Volume 61, Issue 5–6, pp 435–440 | Cite as

Biotechnological solubilization of rock phosphate on media containing agro-industrial wastes

  • N. Vassilev
  • M. Vassileva


Rock phosphate (RP) is an important natural material traditionally used for the production of phosphorus (P) fertilizers. Compared with chemical treatment, microbial solubilization of RP is an alternative environmentally mild approach. An overview of biotechnological techniques, mainly based on solubilization processes involving agro-industrial residues, is presented. Potential advantages of composting, solid-state fermentation, and liquid submerged fermentation employing free and immobilized microorganisms that produce organic acids and simultaneously solubilize RP are discussed. Subsequent introduction of the final fermented products into soil-plant systems promotes plant growth and P acquisition.


Fermentation Chemical Oxygen Demand Arbuscular Mycorrhizal Fungus Rock Phosphate Submerged Fermentation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag 2003

Authors and Affiliations

  1. 1.Estación Experimental del ZaidinCSICGranadaSpain

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