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Special Climate

Why use a greenhouse humidifier

Smart Fog makes commercial humidifiers for the food industry. These humidifiers produce micron droplets that sanitize a space without leaving behind moisture on surfaces. From the greenhouse humidifier to the grocery store case humidifier, Smart Fog can keep produce clean and safe. Keeps produce clean and safeSmart Fog…

Online knowledge session: A stable greenhouse climate

It’s very important that we offer each other a helping hand to get through this uncertain period. That is why Priva invites you for an online knowledge session (English & Dutch) with the topic: How do I get a stable greenhouse climate in spring and summer? During this session, Priva consultants Hein…

Shading screens characterization by means of wind tunnel experiments and CFD modeling

The use of shading screens in the protected cultivation sector is widespread, due to the fact they allow both to reduce the heat load and thus to control temperature, and to have lower and uniform levels of light intensity inside greenhouses. An extended selection of shading screens is available on the…

What type of lighting is right for my indoor grow?

When it comes to fueling plant growth, lighting is one of the main ingredients of a maximum yield recipe. Figuring out if you want full natural sunlight only, a mixture of…

4 benefits of an automated controller in a vented greenhouse

Ceres’ patented solar design and innovative climate control technologies enable them to build year round greenhouses in any climate. Depending on geographic location, crop application, and specific client needs their greenhouses might operate with different types of ventilation, HVAC and other greenhouse…

Demonstration trial reduced CO2 dosing

CO2 supply in a greenhouse promotes crop growth. In the future the supply of CO2 has to be reduced considerably because the availability of CO2 from industry will be reduced due to CO2 emission goals, the use of natural gas for heating is reduced, and the greenhouse horticultural sector has the goal to…

Colder outside air ingeniously mixed with greenhouse air

"As you can see, it looks quite 'space age' and industrial and that has its reasons", says Hans Weisbeek of Hinova in a segment on Dutch regional television about the development of the Hinovator. The regional TV channel sees there are quite a few horticulture suppliers in the region, and that those…

Input external CO2 in greenhouses yields at least 91% CO2 emission reduction

Does the input of external CO2 help reduce greenhouse horticulture CO2 emission in 2030? It does. That is the answer researchers from Wageningen University & Research gave in…

“Warm winter makes regular boiler maintenance possible”

Wintertime is usually a period of running around from one malfunction to another for boiler mechanics. This year is no exception, although the 'summer-like winter' does decrease the amount of malfunctions and makes more room for regular maintenance, says Erwin van der Mark of boiler maintenance firm Van…

Growing sopropo in a greenhouse

From January 1st, fans of the Surinamese vegetable sopropo, also known as bitter gourd, have been eagerly looking for the special, lumpy cucumber. A European ban on imports from Suriname and the Dominican Republic has dried up the supply of fresh sopropo. There is Dutch cultivation, but it will not be available until late May,…

Ton Habraken (Svensson) about Plant Empowerment

"Screen more and more a tool for better plant growth too"

"While a screen was usually seen as a way to bring down your energy bill, it is now more and more used as a tool for better plant growth", says Ton Habraken of Ludvig Svensson. It's a development that fits Plant Empowerment, the new way of growing that's largely promoted with both a book and a platform.  Concept…

Successful trade mission Vietnam

Vietnamese growers prefer foil greenhouses to plastic greenhouses

From 23 to 28 February 2020, the Dutch embassy in Hanoi and the Consulate-General in Ho Chi Minh City organized a trade mission for Dutch horticulture companies to Da Lat in the province of Lam Dong. A vegetable company in Lam Dong Need for innovationTechniques which are used during sowing, growing and…

Semi-transparent dye-sensitized solar panels for energy-autonomous greenhouses

Over 60% highly transparent quasi-solid-state dye-sensitized solar cells (DSSCs) with dimension of 50x50 cm 2 were fabricated via inkjet printing process using nanocomposite inks as raw materials and tested under outdoor illumination conditions. The cells were electrically characterized, and their…

"Indoor agriculture one of the four major drivers that will increase electricity consumption in the next decade"

Plant factories may be the technology we need to feed a growing and warming planet.  The tradeoff: Indoor agriculture demands a staggering amount of energy. Lights run 16 hours a day and facilities require impressive HVAC equipment, reaching an energy intensity per square foot that surpasses datacenters. The…

NL: Summer contracts cucumber have started, now just some more light is needed

Nick Rietveld, sales executive at The Greenery, helped his brother, owner of transport company R. Rietveld Transport, with loading the cucumbers from grower Qcumber for a supermarket in the weekend. "That was planned and nice to do, especially when I knew that my brother would be there." Cucumbers are…

Fear of frost damage in March

Warmest winter in 120 years could cause problems for Norwegian raspberry growers

Winter was mild and wet throughout Norway. With temperatures of 4.5 degrees higher than normal, the winter records was broken in all regions with the exception of Northern Norway. In the time between December and March, it was also the wettest period recorded since the Meteorological Institute started…

Plant-based biostimulant positively affects tomato plants grown at elevated temperatures

Abiotic stresses can cause a substantial decline in fruit quality due to negative impacts on plant growth, physiology and reproduction. The objective of a new study was to verify if the use of a biostimulant based on plant and yeast extracts, rich in amino acids and that contains microelements (boron,…

A first for Honduras: wireless control irrigation unit

It is not the first country that comes to mind when people think about high-tech greenhouse horticulture innovations, but Honduras recently did have a scoop. At grower Exveco, Sercom installed the very first fully wireless irrigation system. “We have developed this product based on radio technology. That…

Jan Voshol takes a step back in the Netherlands, Wilco and Lennert at the helm

"I just keep getting myself involved in everything," says Jan Voshol with a wink. He just explained that last year he has transferred the shares of his company in the Netherlands to son Wilco and son-in-law Lennert. With that, both men are now officially at the helm at Voshol Warmte- en Elektrotechniek…

Plant Empowerment: a stress-free future for all plants

Plant Empowerment is synonymous with Next Generation Growing, where stress is no longer a factor. The use of climate screens can prevent plant stress to a significant degree. This in turn results in greater efficiency. Reason enough for Svensson to support a book and platform on this topic. Plant Empowerment – also known as…

Semi-closed greenhouses equipped with night cooling system

Semi-closed greenhouses are no longer only for areas with a temperate climate. For more extreme climates there are also solutions - creative solutions. Three years ago in…

Special Climate this month in HortiDaily

This month, we will pay more attention to the climate in greenhouses. Also in FloralDaily.com and in our Dutch newsletters, Groentennieuws.nl and BPnieuws.nl this subject will be highlighted.  ClimateThe subject climate is broad. Climate control is an essential part in a greenhouse. Small changes in the climate…


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