News

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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Delphy and Van der Knaap join forces

Van der Knaap has joined Delphy Innovative Soft Fruit Center (IFSC) in Horst (NL) as innovation partner. This research centre is a unique acquisition for the soft fruit sector. For Van der Knaap it is a special opportunity to cooperate with a party that...
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Renewable raw material: ‘Fibrecompost’

The search for suitable, renewable raw materials and substrates is becoming increasingly important in professional horticulture. Raw materials such as coco peat, bark , compost and wood fibre from renewable sources are increasingly being used. Van der...
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Organic cultivation of sweet pointed peppers in soil (pt 4)

Research was conducted in our innovation centre 'de Kas' into the applicability of organic calcium nitrate (Ca(NO3)2) in the organic cultivation of pointed peppers. During this trial, cultivation was carried out according to the usual organic...
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Innovative production methods at location Dominican Republic

Due to changing circumstances in the production and shipping of coco substrates, we have paid a lot of attention last year to one of Van der Knaap Group's own production locations: Growrite Substrates in the Dominican Republic. This included looking...
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Research in innovation centre ‘de Kas’

In Van der Knaap’s own innovation centre ‘de Kas’ in Honselersdijk, the expert R&PD team has an extensive laboratory, twelve separate cultivation greenhouses and an outdoor field at its disposal. Various growing conditions can be...
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Growing cucumbers with circular fertiliser

In recent years, the Research & Development department of the Van der Knaap Group has been doing research into circular fertilisers. This has resulted in the development of a bio-reactor that produces an organic nutrient solution. Input for this...
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Makeover reception area 'de Kas'

To celebrate our 40th anniversary, we have given the reception area in our innovation centre 'de Kas' a complete makeover. This presentation area fulfils an increasing need to give customers insight into the world of sustainable substrates and...
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Message VPN (Nov. 2021)

On November 4, the Association of Potting Soil and Substrate Manufacturers in the Netherlands issued a document that explains the current situation regarding the availability of raw materials. Not only is consumer demand for potting soil increasing, as...
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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 new fibre mills at Growrite India and we share the results of our cucumber trial with circular fertiliser from animal...
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