News

Organic cultivation of sweet pointed peppers in soil (pt 3)

The trial with two varieties of organically grown sweet pointed peppers in soil has now been running in our innovation greenhouse for over six months and the fruits continue to grow more easily. In this trial, cultivation is carried out according to the...
> Continue reading

Substrate trial Lisianthus on ErfGoed cultivation floor

Cut flower cultivation in the soil presents a number of challenges. Plant health, water and environmental aspects, energy consumption and cultivation optimisation are just a few of them. Reason for ErfGoed to look for an all-round solution together with...
> Continue reading

Pot worm control by choosing the right substrate

Another successful orchid trial has been completed in Van der Knaap’s innovation centre ‘de Kas’. In this trial, three different substrates for cultivation of Phalaenopsis in 12-cm pots were compared. Fibre-Neth® proved itself yet...
> Continue reading

Press release: making potting soil and substrates more sustainable

Ten organisations that are involved in the production, use and sale of potting soil and substrates have indicated in a joint letter to Minister Schouten of Agriculture, Nature and Food Quality that they wish to advance in the field of renewable raw materials...
> Continue reading

Organic cultivation of sweet pointed peppers in soil (pt 2)

A trial with two varieties of sweet pointed peppers in the soil is currently underway in innovation centre 'de Kas'. In this trial, cultivation is carried out according to the usual organic cultivation method. However, when the crop needs it,...
> Continue reading

Lighting in innovation centre ‘de Kas’

The most diverse trials take place in the innovation centre 'de Kas'. Almost any desired cultivation situation can be simulated in twelve separate test greenhouses. This requires that the greenhouses are equipped with the latest techniques in...
> Continue reading

Organic cultivation of sweet pointed peppers in soil (pt1)

In innovation centre ‘de Kas’, a new trial with two varieties of sweet pointed peppers grown in the soil has started. During this trial, cultivation is done in the usual way with compost and organic nutrients that are made available by the...
> Continue reading

Press release by VPN

Today, the Association of Potting Soil and Substrate Manufacturers in the Netherlands issued a press release that explains the current situation regarding the availability of raw materials. Not only is consumer demand for potting soil increasing, as a...
> Continue reading

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...
> Continue reading

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...
> Continue reading

Van der Knaap uses cookies to ensure that we give you the best experience on our website. Cookies shall be used only for functional and analytical purposes. If you continue without changing your settings, we'll assume that you are happy to receive all cookies from this website. Please read our privacy statement for more information.