News

Collaboration Van der Knaap and Biobest in 'de Kas'

Since last year, Van der Knaap Group has been working with Biobest in the field of organic crop protection in its in-house innovation centre 'de Kas'. The aim of this collaboration is to exchange knowledge about the effect of the use of organic...
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Discover the possibilities of innovation centre 'de Kas'

Van der Knaap stands for innovative and high-quality products. Our innovation centre ‘de Kas’ in Honselersdijk (NL) houses our extensive R&D department with test greenhouses where various growing conditions can be simulated. In addition...
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The perfect sensor for coco substrates

In the past year, large-scale tests were carried out with Growficient sensors in Van der Knaap Group’s innovation centre 'de Kas'. At the end of 2019, both parties expressed their intention to jointly investigate how the sensors can be optimally...
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Sustainable: drying plugs with geothermal heat

Van der Knaap recently opened a drying area for Obturo® plugs. Obturo® plugs are excellent for drying and then rewetting. This has several advantages: dried plugs have a longer shelf life and it saves weight. To save energy costs, we have devised...
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Opening of Van der Knaap México

Our new production location in Mexico was recently opened. Centrally located in Mexico, Van der Knaap Mexico focuses on producing high-quality coco substrates for local horticulture. Producing locally enables us to offer fast delivery times and be in...
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Van der Knaap Group celebrates 40th anniversary

This year Van der Knaap Group will celebrate that 40 years ago the foundations of our company were laid. In the coming period we will reflect on where we come from, where we are now and how we see the future for our organisation.
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Out now: the latest Grow-How!

The latest edition of our newsletter Grow-How! is now available. In this edition we inform you about the opening of our new production location in Mexico, our new organic press pot substrate, results of our recent rooting trial, our sustainable way to...
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Lettuce in a hydroponic system: 100% organic nutrients

Van der Knaap is known for their vast substrate knowledge, but did you know we also developed a sustainable cultivation system? The liquid nutrient solution rich in organic NO3 that is produced with this system is also extremely suitable for other cultivation...
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Breakthrough in organic cultivation

Van der Knaap has developed a sustainable cultivation system in order to cultivate organically without using the soil. After several years of testing, the organic nutritional solution is now available to growers.
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Van der Knaap Group resumes coco production

The past few months the outbreak of Covid-19 virus led to Van der Knaap production locations in Sri Lanka, India and the Dominican Republic remaining closed till further notice. We can now inform you that production at the Growrite production sites has...
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