
Direct Current highly promising alternative in horticulture
The use of Direct Current in greenhouse horticulture appears to be a very promising alternative. A pilot in the greenhouse horticulture sector demonstrated a

Online software for energy-efficient greenhouses
Hortinergy is an online software package for designing energy-efficient greenhouses by simulating energy consumption and comparing technical solutions. Energy is a major expense in

Right light spectrum on bottom layer with half the energy
The LED lamps in the light fittings underneath the top growing layer shine brightly on the plants in the cultivation greenhouse at phalaenopsis growers

Dehumidifier boosts yields, cuts disease pressure and saves energy
A giant dehumidifier in cherry tomato grower Robert van Koppen’s greenhouse in Kwintsheul (Westland, the Netherlands) keeps the RH below the critical value of

Slowing down crop transpiration cuts energy consumption
The focus of energy savings usually lies in technology. But the crop itself offers numerous opportunities to economise on energy consumption. Many research results

Energy-saving screens can now be compared objectively
Screen suppliers each have their own methods of determining the energy-saving performance of their screens, making it very hard for the grower to compare

Combining two vertical fans makes for more even climate
Assimilation lights give off a lot of heat which stays at the top of the greenhouse when you would rather have it down near

‘Energy screens play main role in new climate regime’
Energy efficient production according to the principles of Next Generation Growing, without any additional investment, is the aim of pepper trial being carried out

Can you save electricity by dimming both morning and afternoon?
Phalaenopsis growers sometimes use artificial lighting for 16 hours per day, totalling 8 to 10 mol/m2/day, especially in the winter. For a crop with

No artificial lighting but two energy screens and no dehumidification
Gertjan van der Spek is the first tomato grower without artificial lighting in the Netherlands to have two transparent energy screens and no dehumidification.

Van Uffelen Flowers shows new high-tech chrysanthemum nursery
Van Uffelen Flowers held an open-doors day to show off its newly delivered four-hectare chrysanthemum greenhouse at Herenwerf in Maasland on Saturday 16 April,

EnergiekEvent 2016 looks back and forward
'We should not depreciate the closed greenhouse', 'Greenhouse growers should rely less on feelings and more on knowledge' and 'In the greenhouse sector of

Winner Arie van den Berg Innovation Award announced
Leo de Jong is the winner of the Arie van den Berg Innovation award. In the context of the 50th anniversary of Berg Hortimotive,

Kubo to supply turnkey Ultra Clima greenhouse in China
Fruit juice producer Haisheng, a Chinese company with more than 2,000 employees, recently ordered an Ultra Clima greenhouse from Kubo. This fully closed 12-hectare

‘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

Steering with high EC improves taste and quality of fruits
With a little more effort you can improve even more. This is the approach behind new trials aimed at optimizing water and fertiliser use