News

Forteco Optimum: new generation coco substrate

Van der Knaap Groep introduces Forteco Optimum: coco substrate with a high air-holding capacity. Thanks to a recently developed production process that uses the entire husk to produce a high quality substrate, we can now produce a unique product at our...
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Out now: the latest Grow-How!

The latest edition of our newsletter Grow-How! is now available to read on our website. This newsletter features an article about our next generation coco substrate, the possibilities for substrate in indoor farming and our research into soil-free organic...
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Trials in Van der Knaap’s innovation centre

In our innovation centre 'de Kas' we continuously test our products, develop new products and regularly conduct trials for our customers or other third parties. Through these tests, we gain knowledge of all kinds of crops and cultivation techniques....
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Watch our new corporate movie!

In recent months, we have been working hard on a new corporate movie for Van der Knaap Group. Last week we showed the movie for the first time at our stand at tradeshow IPM in Essen, Germany. We received many nice and positive reactions. As of today,...
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Meet us at IPM and more

It has been quiet for a few years, but this year you will find us at several tradeshows again. We start this week at IPM in Essen, Germany. During this tradeshow you get to meet the newest member of our coco family for the first time: Optimum Fine. A...
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Coco substrate: a sustainable choice

“The future of sustainably produced coco substrate has received a new boost thanks to current economic developments", says Jelte Veenstra, director Coco Substrates at Van der Knaap Group. In recent years, Van der Knaap has experienced a growing...
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The next step in emission-free cultivation

After years of development, Van der Knaap Group is launching its sodium remover. ‘Natrex®‘ selectively extracts the sodium that is present in the drain water, allowing for the drain water to continue to be recycled without losing the crop...
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Out now: the latest Grow-How!

The latest edition of our newsletter Grow-How! is now available to read on our website. This newsletter features articles on the benefits of an active soil life for your crop. Tests show that soil life develops faster in coco substrate than...
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Lentiz MBO Westland conducts research into circular greenhouse horticulture

During the previous school year, Lentiz MBO-Westland collaborated with a group of companies, including Van der Knaap Group and Learning Community Greenport Horti Campus, to successfully develop a circular tomato cultivation system. In September 2021,...
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Sustainable chrysanthemum cultivation at Dümmen Orange

Cut flower cultivation in the soil presents a number of challenges. Plant health, water and environmental aspects, energy consumption and optimising cultivation are just a few examples. Sustainability is possible by using new innovations. Van der Knaap...
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