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Woodfibre
 
Woodfibre
    Origin 
      Wood fibre can be processed from wood. During the process usually a temperature of more than 100 oC is reached. Pathogens are killed at these high temperatures. Wood fibre can be produced from many types of wood. Wooden waste material is less suitable because of the possibility of toxic substances. Most of the time the material is applied in bags. The fibres are stuffed into a net enclosed and by a plastic film. 
       
    Characteristics 
      Products from Wood fibre contain a lot of air and hardly hold any water. During culture nitrogen is fixated and the pH will rise. By adapting the nutrient solution this problem can sometimes be solved. This will depend on the irrigation type and frequency and the velocity of nitrogen fixation. 
       
    Durability 
      The slabs will last for one culture only because the materials structure is damaged by micro organisms. Therefore wood fibre is not durable. For long cultures more wood fibre should be stuffed into the bags so the substrate structure is maintained. If the product can be steamed is of no concern because it is used for one culture only. Wood fibre can be composted and perhaps be used as a constituent for growing media for hobby culture.  

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