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New organic substrate

nd the Aralur company is that it is a home-grown product that is produced in situ and, thereby, is much more economic.

Moreover, hydroponic production involves the use of inorganic substrates such as Perlite or rockwool and which, once used, have to be selectively removed from tips and rubbish dumps. On the other hand, wood fibre, as with peat, are recyclable organic substrates, i.e. after its first use it can be reintroduced into the soil, as if it were manure being applied to the crop field.

Defibreing the wood

To obtain the substrate the same machinery is used for defibreing wood to make paper but, in this case, the fibres obtained are much thicker and longer. Wood fibre for papermaking goes through two or three defibreing processes while FIBRALUR substrate is the result of a single defibration.

During this defibration process the bark of the pine is subjected to a washing in water at a temperature of 90-115 ºC, the resulting cellulose being practically pure, free of phytotoxic products and ready to be used in the growing of agricultural crops.


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Source:Elhuyar Fundazioa


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