‘Bring in the Dutch’
I am convinced that after all the developments that have taken place from soil to substrate; volume-orientated to customer orientated; from unlit to artificial
Agrosol profits from high-tech year round production
Spain is – perhaps wrongly – still often seen as a country with middle-tech greenhouse horticulture: that is crops grown in the open ground,
Bakker.com successful thanks to database marketing and a clear focus on quality
Bakker.com is de Amazon of plants. On an average day, its 500 employees process 28,000 orders from more than 11 countries. CEO Paul Geraeds
Coco peat and biochar are good alternatives for peat in potting soil
Most potting soils contain a large amount of peat. But clearly a turning point has been reached. More and more often growers, customers and
Wireless sensor gives representative image of water content in slab
Dutch tomato grower Kees Stijger, of Honselersdijk, believes that measuring the water content in a single substrate slab is not enough. Instead, he feels
Revolutionary greenhouse technology delivers higher yield and better quality
Japanese producer Kagome has recently completed its first season with a new tomato greenhouse complex designed and built by the Japanese company Daisen in
‘Plants are not just a number, they are very personal’
JD Propagation, of Victoria, Australia, had planned to pay off its first four greenhouses in five years. In fact, the business has grown so
Young fruits pull so hard, flowers above abort
Sweet peppers arrive in waves. New fruits lure so many assimilates towards them that the flowers above them abort. This article provides various suggestions
Chrysanthemum white rust
The first symptoms of chrysanthemum white rust (Puccinia horiana) are visible on the upper side of the leaf. These are light green to yellow
‘The art of high wire cucumbers is obtaining and maintaining the balance’
Every cucumber grower has his own strategy for achieving the best yield. Frank van Lipzig wants to grow sustainably, achieve a high quality as
Patent on plant characteristics not without consequences
For half a century international plant breeders’ rights have brought stability and security to the breeding sector. These rights have protected breeders against unauthorised
Less energy input yields as many or more gerberas
Since 2014 Dutch gerbera grower Reijm Nieuwerkerk has been using a system to actively ventilate the greenhouse air as part of its Next Generation
Innovations in crop protection ready to put into practise
Researchers and companies are continually developing new techniques for greenhouse production. Therefore, in principle crop protection can reach a much higher level. But to
‘Controlled removal of moisture results in energy savings’
By using a model to show the energy balance in a greenhouse you can see at a glance where the energy losses are likely
Light induction influences production of compounds and plant physiology
Light is more than just the big mechanism behind photosynthesis. Parts of the light spectrum, or simply more or less light, influence the development
CO2-dosing brings huge energy savings with same quality
By dosing lilies with CO2 the light level can be reduced by one third while the quality remains the same. This conclusion was made
Optimal application of crop protection products depends on crop, pest and area
Different techniques are available for the application of crop protection products. A crop can be treated by spraying or by treating the air by
‘Production results are satisfactory but we need to raise the bar each year.’
Although their revolutionary greenhouse has had a superb first year, the brothers Duijvestijn see room for improvement. Technically there are still gains to be
Iron is essential for photosynthesis and respiration
Iron plays a major role in photosynthesis. That’s why a shortage directly affects the production capacity of the plant. The application of chelates has
Use compost to increase resistance to plant diseases
In biological cultivation every opportunity to control soil-borne diseases is a bonus. The idea of providing compost components that can make the soil more
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