Hermann Limbers

Wood fibre’s creden­ti­als as a com­po­nent of gro­wing media

Alter­na­ti­ve constituents

Klasmann-Deilmann, the most sus­tainab­le com­pa­ny in the sub­stra­te indus­try, plays a pionee­ring role in the deve­lo­p­ment of alter­na­ti­ve raw mate­ri­als for substrates. Having used wood fib­re in sub­stra­te pro­duc­tion sin­ce the 1990s, the firm now ope­ra­tes wood fib­re faci­li­ties of its own. This rene­wa­ble resour­ce has important attri­bu­tes bene­fi­cial for com­mer­cial horticulture.

Fol­lowing its suc­cess­ful 1991 intro­duc­tion of green com­post – the first alter­na­ti­ve sub­stra­te com­po­nent – [Link zum Bei­trag Grün­kom­post] Klasmann-Deilmann fur­ther inten­si­fied its search for non-con­ven­tio­nal mate­ri­als. The com­pa­ny has been using wood fib­re to manu­fac­tu­re substrates sin­ce the late 1990s. In 2010, after several years of deve­lo­p­ment work, Klasmann-Deilmann put into ope­ra­ti­on (in Gees­te) its first faci­li­ty pro­du­cing its own pro­duct, ‘GreenFibre’, sourced from sus­tainab­le fores­try. Today the Group also runs its own wood fib­re units at two other pro­duc­tion sites, Rathow­en in Ire­land and Schie­dam in the Nether­lands. At all of the­se manu­fac­tu­ring plants, only PEFC-cer­ti­fied or FSC-cer­ti­fied soft­wood chips are utilised.


The use of wood fib­re is well-estab­lis­hed in com­mer­cial hor­ti­cul­tu­re. GreenFibre, in com­bi­na­ti­on with high-qua­li­ty raw peat mate­ri­als, is ide­al as an ingre­dient of struc­tu­ral­ly sta­ble gro­wing media.

Adding wood fib­re to a pro­duct results in mul­ti­ple benefits:

  • Enhan­ce­ment of air capacity;
  • Long-term struc­tu­ral stability;
  • Opti­mi­sed drai­na­ge characteristics;
  • Impro­ve­ment of re-wettability;
  • Pro­mo­ti­on of healt­hy, rapid root growth.

Klasmann-Deilmann is cur­r­ent­ly explo­ring other wood spe­ci­es with a view to pro­du­cing hor­ti­cul­tu­ral­ly sui­ta­ble wood fibre.