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  Title [Methods of bio-engineering destruction of root residues in application to a space vitamin greenhouse with ionite artificial soil] Type Journal Article
  Year 2012 Publication Aviakosmicheskaia i Ekologicheskaia Meditsina = Aerospace and Environmental Medicine Abbreviated Journal Aviakosm Ekolog Med  
  Volume 46 Issue 4 Pages 48-52  
  Keywords Bioengineering/*methods; Biomass; Brassica/growth & development; Clostridium thermocellum/growth & development; Fermentation; Hydrogen Peroxide/chemistry; Plant Roots/growth & development; Soil/*chemistry; *Space Flight; Temperature  
  Abstract Regeneration of ionite artificial soil (AS) in root modules (RM) of conveyor-type space greenhouses should be proceeded by removal of root residues without disruption of the AS capillary-porous structure. The proposed method consists of two stages of root residues destruction. On the first stage, AS treatment by 0.7% an alkali water solution with added 0.7% hydrogen peroxide over 3.5 hours in a thermal-insulation container at 95 +/- 4 degrees C reduces root residue mass up to 60%. Specific energy cost of SHF pulses to maintain the required temperature is 1 W x hr for cleaning 1 g and AS sterilization from saprotrophs. On the second stage, AS undergoes saturation with a liquid anaerobic medium for 7-day cultivation of thermophilic Clostridium thermocellum at 55 degrees C. Seven days of bio-engineering regeneration enables removal of 90% root biomass. Residual products of fermentation have a stimulating effect on seed germination and subsequent plant growth. Bio-engineering testing of regenerated AS with cultivation of leaf cabbage Brassica chinensis L. attested to suitability of the technology for extension of AS useful life.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Russian Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0233-528X ISBN Medium  
  Area Expedition Conference  
  Notes PMID:23116044 Approved no  
  Call Number refbase @ user @ Serial 16709  
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