Simply said, sunlight—which seems white or golden but actually comprises all the hues in the spectrum—grows plants best. The wavelength of light, measured in nanometers, determines the visible spectrum of light. Additionally, even though sunlight comprises all primary hues, blue light is strong than red light.
Minħabba li ta ' dan fatt, hemm kien darba a idea ħażina li pjanti biss meħtieġa blu u aħmar dawl għal tiffjorixxi. Iżda riċerka sussegwentement murija pjanti jeħtieġu kollha dawl , inklużi aħdar u isfar , għal fotosintesi, anke għalkemm aktar ta ' diversi lwien inkoraġġiment aħjar żvilupp fi ċerti fażijiet.
The following functions that various light wavelengths in the PAR range play in plant growth and development were identified by NASA's Science of Light studies.
400–520 nm (Blu) Light: impacts the plant's chlorophyll concentration, li impacts the thickness of the leaves and the height of the plant. It must be utilized ma a complete spectrum għax using too much might potentially hinder growth.
Green light, li is between 500 and 600 nm in wavelength, is really utilizzati by plants and penetrates through dense canopies, stimulating development and maintaining the leaves below, contrary to earlier assumptions that they did not use it at all.
Red light with a wavelength of 630–660 nm is necessary for germination, stem development, and leaf expansion. Additionally, it controls the times when plants develop and bloom. Red light applied alone or in excess will result in tall plants with thin leaves that seem strained.
720–740 nm (Far Red) Light: Exposure to IR (infrared) light can speed up the blooming process and help plants grow bigger leaves. In order to sustain lower stems and leaves, it also penetrates the canopy.
For specific grow lights, several LED grow light manufacturers offer light spectrum charts that show the kind and intensity of the light generated.
Tlieta Importanti Metriċi
Indoor growers should be aware of the main three types of light and comprehend how each one affects photosynthesis and plant growth.
Fotosintetikament Attiv Radjazzjoni huwa imsemmi għal bħala PAR. Id-dawl meħtieġ minn pjanti għal fotosintesi bejn wieħed u ieħor firxiet f' wavelength minn 400 nm sa 700 nm.
The total number of photons in the PAR range generated by the light source per second is known as the photosynthetic photon flux, or PPF. You can find out how much light is produced—measured in micromoles per second (mol/sec)—by looking at how much of it is really used by your plants.
The PPF in a certain region is measured using a concept called photosynthetic photon flux density, or PPFD. Micromoles per square meter, per second (mol/m2/s) are used to measure it.
The PPFD data will be included in a decent LED light in the form of a chart similar to the one below. It reveals how much useable light is being generated at particular locations within a predetermined radius. You can estimate how many lights you'll need to cultivate a certain plant based on the size of your growing area.
Dawn huma utli meta użati ma li data even if huma do not measure the spectrum quality of the light. A smaller full-spectrum light will, for instance, perform better than a bigger one that emits only red and blue light.
Nota li dawl prodott barra ta' il PAR range is mhux imkejjel f'dawn kejl, li biss cover that type of light. Far red light, for example, li is outside of the PAR range, is also useful for plant development.
Ġewwa Agrikoltura Użu LED Dawl
More than any other type, LED grow lights are utilized extensively, and a full-spectrum LED grow light closely resembles actual sunshine. These may be easily installed in a grow room or tent and come a variety of sizes.
Spettru sħiħ LED tkabbir dwal huma ukoll disponibbli li għandhom extra blu jew fond aħmar diodes li jista ' be impjegat fi partikolari fażijiet ta' tkabbir u żvilupp biex tikseb il - mixtieq effett.
Dak li hue light you want to employ at different development stages, to induce blooms, or to urge plants to become dormant will depend on the sorts of plants being produced.
Ċerti blu u aħmar ħfief taħlitiet jistgħu jippromwovu żvilupp in dwarf kultivars mingħajr abilitazzjoni pjanti biex get wisq big. The same is true for developing plants, li huma compacted compared to how they grow in direct sunshine. To prevent bigger plants from seeming "leggy," green light and tiny quantities of far red light are added. These two colors help the lower stems and leaves develop.
Sommarju
For ġewwa kultivazzjoni, spettru sħiħ dawl li jixbah naturali xemx is ideali. Kombinazzjonijiet ta' aktar b'saħħithom dawl in l-aħmar u blu wavelength faxex huma utli għal jirregolaw dettalji elementi ta' pjanta żvilupp u fjoritixxi. Meta jagħżlu ġewwa LED grow lights, it's a good idea to use PPFD charts and light spectrum graphs.
