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Guetegemeinschaft Substrate ral
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    • Bark products
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    • Growing Media
    • Expanded Clay
    • growing media constituents
      • wood fibres
      • coir
      • perlite
      • peat
    • Substrates for green roofs
    • Substrates for tree planting
  • about – calls for tender
    • Bark humus
    • Bark mulch
    • Substrates for green roofs
    • Substrates for tree planting
Kriterien für RAL gütegesicherte Substrate

Opportunity for professional and hobby gardeners

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The RAL ”Substrates for Plants“ quality mark is based on defined quality criteria

The RAL ”Substrates for Plants“ quality mark is a reliable roadmap, because it means that the following criteria are met:

  • defined approval procedure
  • thorough review of applications
  • regular neutral product inspections
  • reliable high quality

more inforamtions about RAL.