Potassium, the major organiser in numerous plant processes
No potassium no plant: A huge number of processes are dependent on this element. Luckily, hardly any problems occur because the plant is good
Remote growing now possible with consistent data collection
Building a high-tech greenhouse is one thing, but working with it is a whole different ball game. Nurseries in countries with no horticultural tradition
Transpiration is driver behind cooling and uptake and transport of nutrients
The plant can’t function without transpiration. But sometimes it can be somewhat less. Also less than is commonly used commercially. There are plenty of
Tuta absoluta
Tuta absoluta (tomato leafminer) belongs to the very large insect family Gelechiidae and is native to South America. Tuta is a micro moth and
Feeding predatory mites pollen is useful weapon in battle against thrips
Controlling thrips in cut flowers biologically may be difficult but it’s not impossible. Supplementary feeding with pollen can help to build up and maintain
Water system contamination tackled with polyphosphates and biocide
Fertiliser precipitate and biofilm in the water system can create a breeding ground for diseases and clog the system. Tomato nursery Varom is tackling
Ability to differentiate through use of organic substrate
Tomato Masters, of Deinze, Belgium, is producing tomatoes on an organic substrate in response to a discussion with its retail client. Now the cluster
Shrinking supply of global phosphate forces critical look at its use
Phosphate fertilisation in soil-based cultivation is still often based on insights gained during the 1970s. More recent research indicates that you can use less
Locations in Portugal and Uganda give hydrangea grower desired flexibility
Sjaak van Schie, of Maasdijk, in the southwest of the Netherlands grows hydrangeas that vary in size from minis to large plants, with a
New Trichoderma strain provides impetus for healthy root environment
For more than ten years the application of Trichoderma fungi has been common practise in horticulture. They help cultivated crops grow better and become
Heavy lettuce with low nitrate level even without daylight
The restaurant at the High Tech Campus, Eindhoven, the Netherlands, serves various types of lettuce that have never previously seen the light of day.
Trials show far-red light leads to large rise in tomato production
Far-red light enables a larger proportion of assimilates to reach the tomato. This is the conclusion of researchers at Wageningen University & Research who
Always a breeze in greenhouse Van der Avoird, even when there’s no wind
Van der Avoird Trayplant, in the south of the Netherlands, made such specific demands on the greenhouse ventilation that the builder’s computer program was
Use of LEDs has potential to save energy and increase yield
Energy is a major expense for rose growers. At Arend Roses, in the Dutch Maasland, research is being carried out into the effect of
Economic growth, more digitalisation but uncertainty about Brexit
For greenhouse growers the first two months of the year are characterised by various specialised trade exhibitions. From the large-scale German trade fairs, IPM
Olympic gold
For (European) sport enthusiasts 2016 was a great year: UEFA Euro 2016, the Tour de France and the Olympic Games. From the Dutch perspective
Innovation and big data analysis key to four decades of growth
Constant innovation is the key to Metrolina Greenhouses becoming one of the largest and most successful greenhouse growers in the USA. For over four
Only a systematic approach can limit excessive root growth
Virtually nothing can be done about excessive root growth. However, this troublesome bacterial disease doesn’t always get the chance to develop. Other microorganisms that
Controlling calcium is a complicated business
Calcium is a delicate mineral in the plant. A deficiency can cause problems such as blossom end rot in sweet peppers and tomato, burnt
Growing pot plant market gives Turkish-Danish joint venture a head start
Leading Danish kalanchoe nursery Knud Jepsen was looking for a good way to outsource the cutting production. After exploring possibilities in Turkey the idea
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