“ Lights have a major impact on glasshouse humidity . When supply lights or changing the eccentric of firing , it ’s authoritative to believe how it will affect humidness . In most cases , it ’s necessary to increase your dehumidification capacitance to compensate for the special wet . ” According to Kandlik .
“ When combined effectively , firing and dehumidification can importantly improve ontogeny , meliorate take , and save energy . ”
How does lighting affect humidity?“Light affects transpiration in 2 ways – radiotherapy and heating plant . Radiation is what flora involve so as to photosynthesize . So when the ignitor are on , the plant reply by opening their stomata , increase their ability to absorb air . ” Amir say .
“ However , when the stomata are open , water system evaporates . So higher radiation intensity , or longer lighting hours , will lead to gamy evaporation rate , pushing humidness in the greenhouse upward .
It ’s also important to count the quality of the twinkle spectrum and not just intensity . Mainly the family relationship between red and downcast Christ Within . LED lights , for representative , contain more of the blue side of the light spectrum compared to HPS light source . It ’s been show in field that puritanic light has a nifty shock on the stoma , increasing transpiration more than other lights .
So even if you ’re just change the type of lighting you employ , it ’s still authoritative to read how much of an effect it will have on humidity .
The 2d event light has on transpiration is through heat . ” Kandlik persist in . “ a warm surround leads to more evaporation , up to a certain degree . ”
All lights emit heat , even the most efficient light-emitting diode lights . There ’s a misconception that LED Light do n’t raise the temperature . But when there are a lot of powerful lights , as is the case in most greenhouses , they actually contribute a lot of heat energy . This also increase transpiration substantially . ”
Dehumidification dead complements spare lighting“Increasing the amount of illumination in a greenhouse , without increase your dehumidification capacity , will inevitably guide to high humidity , ” says Kandlik . “ Of naturally , high humidness leads to problematic disease and mold outbreak .
But it ’s not just about prevent disease . shrink the proportional humidness level increases the gains you’re able to get from the impart radiation , making brightness and dehumidifiers the staring combination .
Plants will only be able to increase their photosynthesis rates if the environmental conditions allow it . When the environment is humid , plants ca n’t transpire , meaning they skin to take in and tape drive nutrients and CO2 . So even with the spare luminosity , you may see less ontogenesis , as the crops are n’t able-bodied to work effectively . ”
Plants photosynthesize less in ironical conditions , so how can dehumidification improve photosynthesis?“That ’s a estimable head . It ’s true that plant wo n’t photosynthesize properly when it ’s ironical , as the pore close to keep water from evaporating . But that ’s not the suit here . ” Kandlik explains , “ First of all , dehumidifiers are primarily meant for nighttime control in greenhouse , and photosynthesis does n’t occur in the darkness . Besides , even with dehumidification operate all sidereal day , you would still gestate around 70%-80 % proportional humidity because the flora provide a lot of moisture . That ’s a unadulterated humidity range to allow for idealistic photosynthesis .
In greenhouse cultivation , there ’s a dissimilar qualifying constituent – carbon dioxide . Along with radiation sickness , CO2 is necessary for photosynthesis . More light will only increase photosynthesis if CO2 levels are high enough to earmark it .
That ’s another benefit you get from using dehumidifiers . ” Kandlik says . “ Overnight , flora do n’t absorb CO2but emit it . So , by keeping the nursery closed , you could increase atomic number 6 concentrations early in the day , providing a encouragement to photosynthetic activity . Without dehumidification , this would n’t be possible . humidness would quickly rise too gamey , forcing you to ventilate and misplace the supernumerary CO2 . ”
come up the perfect balance between lighting and dehumidificationKandlik summarizes , “ At the end of the day , it ’s all about finding the correct muscularity balance . Proper planning , deal the effects of extra lighting on humidness , and adjusting dehumidification accordingly , will provide the best results .
Adding lights to your greenhouse is a great way to improve ontogeny if done right . conflate ignitor and dehumidifiers is the perfect way to get ahead better control over your surroundings , improve growth and save get-up-and-go in the process . ”
For more information : DryGair Energies8 Hamanofim St , HerzliyaT : +972 - 9 - 7730989www.drygair.com
