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Technique


Temperature distribution improved by screen fans

At the end of 2015, airmix fans were placed in four sections at Dutch grower Berg Roses. These are screen fans that can mix air from above the screen with greenhouse air, and then blow the mixed air horizontally into the greenhouse. By using air from above the screen, the greenhouse air becomes cooler and.....

US army looking to make training bullets from flower seeds

The traditional function of bullets is killing, but a new design could have the opposite effect.The US army is seeking proposals for biodegradable ammunition to replace the existing rounds used in training -- including grenade and tank rounds - citing environmental concerns."Components of current training.....

Vifra introduces professional 'plug and play' humidity control solution

Dehumidification systems are gaining ground in the greenhouse industry. Vifra's answer to this trend is the new series of V-Dry dehumidification units. The small, lightweight units claim to be more flexible and adaptable to any kind of situation.For many years now, Italian engineering company Vifra is known.....

Colorado State University and Philips Lighting convene Research Summit

US: Horticulture researchers explore tech innovations

Philips Lighting announced that Colorado State University (CSU) and the horticulture LED lighting group from Philips Lighting recently collaborated to host the first ever LED Horticulture Lighting Research Summit. The inaugural event, held on CSU’s campus, assembled a group of university researchers and.....

CAM plants require special treatment

CAM plants are a group of plants that only assimilate at night and grow slowly. The cultivation of these plants requires special treatment.CAM plants naturally grow in climates that are usually hot and dry. To avoid drying out, they only open their stomata at night to allow CO2 inside for the assimilation......

Royal Brinkman launches online knowledge center

Royal Brinkman is launching a new part of the webshop, the "Knowledge Center". This is a significant improvement for Royal Brinkman's shop. Growers can not only order products, but also find all their needed information on the Royal Brinkman webshop. This additional knowledge brings an extra service where.....

Differentially expressed pigments genes found in tree peony

Tree peony (Paeonia suffruticosa Andrews) is an important traditional flower in China. Besides its beautiful flower, the leaf of tree peony has also good ornamental value owing to its leaf color change in spring.So far, the molecular mechanism of leaf color change in tree peony is unclear. In a new study,.....

Svensson introduces Luxous 1147 FR:

New screen brings extra light during cold, darker days

Svensson introduces a new version of their Luxous energy saving climate screens that claims to allow 2 percent more light into a greenhouse without compromising on energy saving.According to Svensson, the new Luxous 1147 FR gives two percent more light without losing out on energy saving and humidity.....

This app helps you to make better decisions in everyday system design and growth management

Australian greenhouse consultant Graeme Smith has made a new and updated version available of his smartphone app which helps you to calculate the most important technical aspects of protected and hydroponic greenhouse growing. From calculating irrigation flows and volumes to complete estimations of boiler.....

Japanese scientists are pollinating lilies with drones

In 2007, researcher Eijiro Miyako developed liquids that could be used as electrical conductors. One of his attempts resulted in a sticky gel. Useless, he thought, and the gel was put away in a drawer. Ten years later Miyako came across the gel again during a major cleanup in the laboratory. And suddenly he.....

Dutch tulip grower optimizes crop with tunable LED lighting

Philips Lighting has installed dynamic growth lighting at Dutch tulip grower Karel Bolbloemen B.V. in Bovenkarpsel, the Netherlands. The system makes it possible to adjust the light recipes during the course of the growth cycle to promote specific growth characteristics, such as stronger stems for its.....

Adaptive control approach for LEDs can reduce energy costs

Supplemental lighting in greenhouses is often needed for year-round production of high-quality crops. However, the electricity needed for supplemental lighting can account for a substantial part of overall production costs.The objective of a new study was to develop more efficient control methods for.....

Belgium: Investigating the possibilities of plant proteins

Although both plants and animals are made up of cells, plants are generally unable to relocate, and thus can’t migrate around freely like animals can. These constraints lead them to grow through cell division in three directions – forward, sideways or upwards – with proteins playing a role in giving cells.....

Cooling the greenhouse: chalk or liquid?

Nowadays, liquid greenhouse coatings are replacing chalk applications more than ever. These coatings are easy to apply, easy to remove and provide uniform shading. Coating with ReduSol is a good choice for people who have little or no experience with liquid coatings.The best way to keep heat out of the.....