Ask anyone why LED lighting is better than HPS , and there is a good prospect they will do : " Energy deliverance . " The market is well cognizant of that , and as energy prices keep arise , it is an important reason why growers have switch to LED . Sometimes completely , and sometimes in a hybrid organization ( where they are often forced to switch the HPS lights off ) .
But any thought to how different lighting impress plant ? Not enough , an increase part of the grocery realizes . In the Netherlands , Ary de Jong is run two trials with lisianthus and cucumber in the World Horti Center on behalf of RED Horticulture , a light provider . He wants to show what their fixture with special light recipe do to the plants or , even salutary , their word structure .
Those tribulation ran throughout the winter and will terminate on March 31 . " I , therefore , urge growers to amount and take a flavour , even if they do n’t cultivate lisianthus or cucumbers . I ’d like to show them what light does to a harvest . There ’s more to it than just saving energy , " Ary begins .
José Carretero and Alex Hogervorst of RED Horticulture with Ary de Jong of HortiTech at the department that domiciliate the cucumber demonstration .
Each variety reacts differentlyThere are two next sections of lisianthus in the demo greenhouse . This is a follow - up to last year ’s chrysanthemum test . In that , four light recipes were quiz on several variety show . In the lisianthus trial run , two RED brightness recipes are being used . The goal ?
To get as much book as potential at the top of the plant . compare the two sections in late March , it quickly becomes apparent that there are many white flowers but few purple and pinkish ones . Yet both sections house an adequate number of plants of all color . That shows that each variety responds differently to light-headed spectrums .
Ary is proud of with this result . It provokes sentiment . The outcome may not be surprising , but in today ’s marketplace , several sort or crops are still grow under one fixture with a limited spectrum natural selection . crimson twinkle is often prominent . It is also ' punk ' visible light since other colors in a regular consume more electrical energy . " Further perceptivity has also present that far - red is important . "
Lisianthus growers desire the cover of their plants to have ample volume . you may control this caliber aspect by using the correct LED lights .
Light formula per cultivation phaseKeep doing what you are doing , and you will keep pay off what you get . RED Horticulture ’s Alex Hogervorst and José Carretero are sure of that . The Photobiology Support Manager and Sales Manager have had an office in the World Horti Center since the beginning of this yr . That make a Dutch branch of the originally French light-emitting diode supplier a realism .
RED Horticulture has been researching lead light recipes since its inception five years ago . It also develops habitue in which the spectrum can be controlled . " France has much less of an HPS tradition because there ’s more born sunlight . They , therefore , quickly started look at LED , " José points out .
Two eld ago , the company deliberately entered the Dutch market . LED lighting is becoming more found in the Netherlands , but there is often still a hatful of focus on Department of Energy savings . Growers who could afford it have recently speedily switched to LED .
In the ( 2022 ) chrysanthemum and lisianthus ( and also the cucumber trial , described in more particular here ) mental testing , they used three lighting recipes for three growing phases : rooting , vegetative , and procreative . Ary quickly points to the root phase . " That ’s where you build up the plant , so take a spectrum that ’s good for root growing . "
In the opt varieties , the bloodless one fared best under the chosen light authorities .
Other benefitsThat phase necessitate redundant attention , especially in short crops with several consecutive bicycle , such as chrysanthemums . Comparing the two sections shows that , in this lisianthus trial , build up the ' works ' more in one led to better results . The crop is much fuller and has many more buds . " With sluttish recipes , you may also steer for quality , " says Ary .
He sees other hard-nosed benefits too . " It normally train six day to reap lisianthus , with raiser going through the bed three time to pick all the flowers . Using light recipes , you may produce an even crop , thus cutting out that third round . That also prepare it more profitable . " So not just energy savings , but potentially interesting for growers ' bottom line too . " You have to seek the benefits of LED in other area as well , " José agrees . " LED is more than just more sparing than HPS . "
This section has fuller crops with 30 % more buds . Ary measures the harvest ’s length , breadth , and girth at a grower that has the same crop grow at the same time . Three plants from both crops are regularly compared visually and via ironic matter analysis .
A different viewThe lisianthus test is almost over . Nonetheless , it is not the first , and certainly not the last , test . Even some ten years ago , unaccented gloss were being studied . Ary remembers a run where multiple spectra were examined in their old demo nursery . The researchers looked at artificial sunshine , blue , green , crimson ; you name it . " We observed many things , but with today ’s knowledge , you ’d consider it differently , " he concludes . To see that different position , he ask in growers to the visitation .
MyRED political platform extend brainstorm into the cultivation data . RED Horticultureprovides a scalable concept with fixtures in four electrical power , choices of lightheaded formula , and a MyRED platform to guide cultivation with the help of data from the monitoring arrangement Solstice . you may use sunlight or energy prices to control the crop .
For more information : Alex HogervorstRED HorticultureTel . : +31 ( 0 ) 637 295 186Email:[email protected]www.horticulture.red
Ary de JongHortiTechEmail:[email protected]www.horti - tech.com
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