Grodan Innovations

Grodan Innovations

NG 2.0, logo, technology, grodan


Introduction NG 2.0

Next Generation 2.0 (NG2.0) is the latest substrate technology from Grodan. This technology enables propagators and growers to produce more while using less water, nutrients and space. It creates optimal growing conditions for a whole season, and allows roots to make better use of the entire substrate. NG2.0 is available in plugs, blocks and slabs to help growers and propagators produce sustainably, healthy fresh vegetables for a growing population

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Launch e-Gro

In September 2016 Grodan presented the first generation of the app. e-Gro is a service from Grodan to support customers with a GroSens® MultiSensor system. Customers who need to have 'real-time' reporting on their substrate, have the opportunity to connect their GroSens system to the e-Gro app. The app offers growers the possibility to get the maximum out of their substrate.

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Introduction GroSens

With the introduction of the GroSens MultiSensor system in 2013, the GRODAN business took the first step to enable Precision Growing by offering a tool that gave professional growers highly accurate and reliable insights into the root zone.

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Introduction of personalised 6 phase advice model

The Grodan 6-phase model offers a blueprint for optimal crop results during both each cultivation phase and the entire cultivation period. The Grodan 6-phase model not only assists growers in the selection of the appropriate substrate slab for a specific crop, but also helps then to determine the optimum watering strategy for the specific type of slab in each cultivation phase. The model can also assist in the determination of schedules for the plant load, temperature regimes, fertilization schedules, and CO2 and lighting levels. Users of the 6-phase model receive an e-mail with the relevant cultivation recommendations before the beginning of each cultivation phase.

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Introduction Next Generation Substrates

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.

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Introduction Water Content Meter

The Water Content Meter (WCM) is able to measure in a stonewool substrate the water content, the electrical conductivity and the temperature. This instrument operates under the principles of frequency domain measurements. Since the roots are influenced by the above parameters, the management of the roots and thus also the plant can be monitored and steered by the WCM.

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Introduction of bricks by way of a recycling solution

Already in 1988 a patent was filed for the use of EOL Stonewool, used as growing media in the brick industry. The patent was filed under number: 8802376 and was invented by Frederikus Gerardus Maria Bol from Zoetermeer.
Some 20 years ago a Dutch recycling company, named Van Vliet Wateringen (today: Renewi) started regranulating stonewool from growers and sold this granulate to some dedicated brick producers in the area.

Rockwool history


Start Grodan - First trials on stone wool

At the end of the 1960s, environmental objections against the increasingly intensive land use in the horticultural sector mounted. One result of these objections was that the commonly used soil disinfectant, Methyl Bromide, was prohibited by law. Likewise, steaming the soil, which was very expensive and labour-intensive, fell out of favour. In the search for an alternative, the parent company of Grodan, the Danish stone wool manufacturer Rockwool, in cooperation with a number of universities, investigated the possibilities of cultivation on stone wool substrate, eradicating the need for soil altogether. This was the solution the World had been waiting for: crops proved to grow extremely well on stone wool. The result was immediate increased production with less water and nutrients. Shortly thereafter, Rockwool/Grodan in Denmark opened the first line for the production of stone wool substrate. Ten years later, a similar line was launched in Roermond. This production location grew into the biggest stone wool factory in the world. Roermond is where stone wool substrate was developed into what it has become today: a growing medium that enables growers to cultivate safe and healthy products sustainably, controllably and efficiently.