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6 Phase model
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Grodan supplies cultivation solutions that comprise a combination of advice, support and a clean and controllable substrate. This results in the best basis for the cultivation of safe, healthy and high-quality vegetables and plants. 

For over thirty years, Grodan has been at the cutting edge in the cultivation of safe, healthy and high-quality vegetables and plants. The Grodan Gallery illustrates the three pillars on which our approach is based: People, Planet and Profit.





 

Grodan awarded with European Ecolabel

Grodan, supplier of innovative substrate solutions
for the greenhouse industry, is the first substrate
producer that has been rewarded with the European
Ecolabel: the environmental quality mark of the
European Union for non-food products and services.
The fact that Grodan’s blocks and slabs have been
awarded this quality mark once again demonstrates
that Grodan considers sustainable business practices
to be very important and that its substrate solutions
comply with the most stringent environmental criteria.
These certified products can be recognised by the
‘EU flower’ logo.
New Product Range
Grodan developed the Next Generation technology 
as an innovative answer to the rapid changes in the
horticultural sector, in which increases in scale and
new cultivation systems compel growers to implement
continual changes in their operations. Grodan’s
long-term development programme for this
technology of the future has certainly achieved
spectacular results! Measurements reveal a great
improvement in the resaturation, rooting and
uniformity of substrate solutions based on the
Next Generation technology.




Grodan's 6 Phase model
Grodan introduces the 6-phase model now that the 
new cropping season is about to start. It is a 
conveniently arranged "blueprint" for the crop and 
the basis for achieving the optimal cropping result. 
The Grodan 6-phase model shows the various stages 
per crop, which are directly related to the stonewool 
substrate used. Before each new phase of the 
cropping season is to start the Grodan users receive 
an advice by e-mail with the guidelines per slab type 
and crop. For more information look under Grodan 
6 phases

Frequently Asked Questions about substrates
What is a substrate? What is an ideal substrate?
How is stone wool manufactured?
Downlad brochures on-line
On our product pages you can download our brochures
directly on-line in PDF format.
- Products for vegetables
- Products for floriculture 
- Products for propagation



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fertilizer calculation programme,
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latest technical articles by
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