Decision on the type of remediation technology to adopt in any particular situation is a difficult issue. Biotechnologies are beginning to offer efficient tools and environmental solutions for the cleanup of contaminated sites. An environmentally friendly in-situ technology is phytoremediation. This term covers different processes applicable to heavy metal-contaminated soils: phytostabilisation, phytoimmobilization, phytodegradation, rhizofiltration, phytoextraction. The interactions in soil between plant and microbes are one of the most important factors that influence the technology. The capacity of soil bacteria to utilize 1-aminocyclo-propane-1-carboxylate (ACC) and thus increase root elongation is reviewed. A mathematical model of arsenic accumulation in sunflower plant treated with a plant growth-promoting rhizobacteria (PGPR) Pseudomonas fluorescens biotype F and the possibilities of utilization of biomass from phytoremediation are presented. Further perspectives in that direction are related to the use of natural or introduced PGPR.
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Shilev, S., Kuzmanova, I., Sancho, E. (2009). Phytotechnologies: how plants and bacteria work together. In: Baveye, P.C., Laba, M., Mysiak, J. (eds) Uncertainties in Environmental Modelling and Consequences for Policy Making. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2636-1_17
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