{"id":6006,"date":"2023-03-28T15:31:16","date_gmt":"2023-03-28T15:31:16","guid":{"rendered":"https:\/\/heliospectra.com\/?p=6006"},"modified":"2024-09-17T09:56:19","modified_gmt":"2024-09-17T09:56:19","slug":"the-absorption-action-spectrum-and-the-benefits-of-green-light","status":"publish","type":"post","link":"https:\/\/heliospectra.com\/blog\/the-absorption-action-spectrum-and-the-benefits-of-green-light\/","title":{"rendered":"The Absorption and Action Spectrum and the Benefits of Green Light"},"content":{"rendered":"<div class=\"row\"  id=\"row-640726105\">\n\n\n\t<div id=\"col-1876067547\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"row align-center\"  id=\"row-478914615\">\n\n\n\t<div id=\"col-48162016\" class=\"col medium-2 small-6 large-2\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:#6ebd8f;\" >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-1393956074\" class=\"text\">\n\t\t\n\n<p>Research<\/p>\n\t\t\n<style>\n#text-1393956074 {\n  text-align: center;\n  color: rgb(255,255,255);\n}\n#text-1393956074 > * {\n  color: rgb(255,255,255);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-48162016 > .col-inner {\n  border-radius: 34px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-380309541\" class=\"col medium-2 small-6 large-2\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:#6ebd8f;\" >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-791702847\" class=\"text\">\n\t\t\n\n<p>Articles<\/p>\n\t\t\n<style>\n#text-791702847 {\n  text-align: center;\n  color: rgb(255,255,255);\n}\n#text-791702847 > * {\n  color: rgb(255,255,255);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-380309541 > .col-inner {\n  border-radius: 34px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"gap-1775893398\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1775893398 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3193870590\" class=\"text\">\n\t\t\n\n<p><span data-contrast=\"none\">From the beginning, Heliospectra has always included green light in grow lights. This decision was made based on the light used by plants.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Light has a complex relationship with plants. When the light touches a leaf, it can be absorbed by, reflected from, or transmitted through to other leaves. Plants appear green to us because they reflect and transmit slightly more green light than they do blue or red, and the human eye is more sensitive to green light. The higher transmission and reflection of green light by plants also means that green can better penetrate the plant canopy and reach lower leaves.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h4 aria-level=\"2\"><b><span data-contrast=\"none\">Absorption Spectrum vs Action Spectrum<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:40,&quot;335559739&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"none\">There is much discussion about light colors and whether green light should be included in the spectra applied to crops. To address this, the roles of the light absorption spectrum, the light action spectrum, and how they relate to photosynthesis need to be understood. Before we go into more detail, let\u2019s start by defining the absorption and action spectra:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-3193870590 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2666804569\" class=\"text\">\n\t\t\n\n<p><b><span data-contrast=\"none\">Absorption Spectrum:<\/span><\/b><span data-contrast=\"none\"> Describes the wavelengths that are absorbed or the light that is harvested.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"none\">Action Spectrum:<\/span><\/b><span data-contrast=\"none\"> Describes the wavelengths that actually drive photosynthesis.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-2666804569 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2162568651\" class=\"text\">\n\t\t\n\n<h4 aria-level=\"2\"><b><span data-contrast=\"none\">Absorption Spectrum<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:40,&quot;335559739&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"none\">The light absorption spectrum defines the range of electromagnetic radiation plants absorb. This depends on the cellular and molecular make-up of the plant and therefore differs depending on species.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">So, which regions of the spectrum do plants absorb? This is different for extracted chlorophyll molecules, whole chloroplasts (where the chlorophyll resides), and plant leaves. To complicate matters, the solvent in which chlorophyll is extracted also affects the absorption spectrum.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Since the absorption spectra of chlorophyll a and b extracts have been found to lie in the blue and red regions, some LED grow light companies, at least previously, claimed that living plants do not use green light. But relying on the absorption spectra of isolated pigments, as opposed to living plants, is not a very sound foundation for LED selection. Carotenoids (accessory pigments) also play a role in light absorption and energy transfer to the photosystems, and they absorb light in the blue and green regions. In fact, in living systems, pigments never exist alone, and each pigment has a specific absorption spectrum. Additionally, pigments are always bound to proteins, which shifts their absorption spectrum. This phenomenon explains why wavebands, rather than a single wavelength, are absorbed.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-2162568651 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1963507558\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1963507558 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-547425348\">\n\n\n\t<div id=\"col-391918269\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-257700993\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1093009074\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"238\" height=\"235\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png.webp\" class=\"attachment-large size-large\" alt=\"Graph showing absorptance spectra, whole leaf, chloroplasts, disrupted chloroplasts and pigment extract\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png.webp 238w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-100x100.webp 100w\" sizes=\"auto, (max-width: 238px) 100vw, 238px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1093009074 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-237308692\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"text-3410506761\" class=\"text\">\n\t\t\n\n<p><span data-contrast=\"none\">The above figure* from Dr. Holly L. Gorton\u2019s <\/span><a href=\"http:\/\/photobiology.info\/Gorton.html\"><span data-contrast=\"none\">Biological Action Spectra<\/span><\/a><span data-contrast=\"none\">, 2010, and modified from Moss &amp; Loomis, 1952, shows the light absorption spectra of isolated pigments, disrupted chloroplasts, intact chloroplasts, and whole leaves from spinach (Spinacia oleracea), a plant leaf in which all of the pigments remain bound to their specific proteins. While it shows there is very little absorption of green light (500-600 nm) in extracted chlorophyll molecules, as the integrity of the leaf increases to the whole leaf, we see more and more absorption in the green region. In this case, approximately 70% of the green light is absorbed.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h4 aria-level=\"2\"><b><span data-contrast=\"none\">Action Spectrum<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:40,&quot;335559739&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"none\">The action spectrum is the electromagnetic radiation, or light, that plants use for photosynthesis and the subsequent photochemical and biochemical reactions critical to plant growth.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In 1972, KJ McCree published an influential paper describing the different action spectra for 22 plant species. This work was originally done to provide an accurate definition of PAR. Interestingly, similar action spectra were observed for all 22 species, with slight variations in the blue end of the spectrum. McCree found that all wavelengths within the 400-700 nm region were used in photosynthesis. This region includes red, blue, <\/span><i><span data-contrast=\"none\">and<\/span><\/i><span data-contrast=\"none\"> green light. There is ongoing discussion that PAR extends a bit beyond 700 nm, reaching into far-red light.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-3410506761 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-1262826201\">\n\n\n\t<div id=\"col-1786551384\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-2127395246\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1736020125\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"262\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-1.webp\" class=\"attachment-large size-large\" alt=\"Graph showing action spectra, crop plants and ulva\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-1.webp 260w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-1-150x150.webp 150w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-1-100x100.webp 100w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1736020125 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-675739486\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<p style=\"text-align: left;\"><span class=\"TextRun SCXW165665025 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW165665025 BCX8\">The above figure* from Dr. Gorton\u2019s <\/span><\/span><a class=\"Hyperlink SCXW165665025 BCX8\" href=\"http:\/\/photobiology.info\/Gorton.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"FieldRange SCXW165665025 BCX8\"><span class=\"TextRun Underlined SCXW165665025 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW165665025 BCX8\" data-ccp-charstyle=\"Hyperlink\">Biological Action Spectra<\/span><\/span><\/span><\/a><span class=\"TextRun SCXW165665025 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW165665025 BCX8\"> shows the action spectra for higher plants (crop plants) and a green alga (Ulva). The curve for the crop plants <\/span><span class=\"NormalTextRun SCXW165665025 BCX8\">represents<\/span><span class=\"NormalTextRun SCXW165665025 BCX8\"> the average action spectrum obtained for McCree\u2019s 22 crop plants, recalculated on a photon basis. It shows that, on average, over 70% of the green light was used in photosynthesis. Crop plants have been bred for uniformity and thus have similar action spectra, and green light is shown to be necessary for their growth. <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW165665025 BCX8\">So<\/span><span class=\"NormalTextRun SCXW165665025 BCX8\"> in conclusion, for photosynthesis, the most effective and efficient light is in the red region (600-700 nm), followed by the blue (400-500 nm) and then the green (500-600 nm). <\/span><span class=\"NormalTextRun ContextualSpellingAndGrammarErrorV2Themed SCXW165665025 BCX8\">These blue, green, and red wavelengths (400-700 nm),<\/span><span class=\"NormalTextRun SCXW165665025 BCX8\"> are all recognized as photosynthetically active and are used by plants.<\/span><\/span><span class=\"EOP SCXW165665025 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<div class=\"row\"  id=\"row-400955295\">\n\n\n\t<div id=\"col-461424970\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-954059311\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-929289392\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-929289392 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1586575636\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"154\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-2.webp\" class=\"attachment-large size-large\" alt=\"Picture showing the span of wavelength (nm)\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-2.webp 400w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/image-png-2-300x116.webp 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1586575636 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-46284045\" class=\"col medium-2 small-12 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<h4 style=\"text-align: left;\" aria-level=\"2\"><b><span data-contrast=\"none\">Greenlight<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:40,&quot;335559739&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h4>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Greenlight is a player in photosynthesis, along with the other portions of the spectrum. Greenlight is transmitted through a plant\u2019s organs and is utilized in deeper layers of cells. It is also used in the intra-canopy leaves, which is important in dense-canopy production. In fact, the photosynthetic efficiency of green light is similar to that of red light and greater than that of blue light in the deeper layers of a leaf.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Overall, plants grown under a full spectrum that includes green light tend to have thicker leaves and higher net photosynthesis. Greenlight has shown to have a positive effect on yield, particularly on fruiting crops with a long lifecycle and a multilayer canopy structure, such as tomatoes. While green LEDs have historically been less efficient at converting electricity into photons than blue or red ones, much more efficient white LEDs have been successfully used to add green light into the spectrum of grow lights.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">The benefit of intelligent <\/span><a href=\"https:\/\/www.heliospectra.com\/led-grow-lights\/\"><span data-contrast=\"none\">LED grow lights<\/span><\/a><span data-contrast=\"none\"> is that they produce light at specific wavelengths chosen to match the needs of plants. So instead of converting electricity into a broad-spectrum light source, such as an HPS lamp, LED grow lights put the energy into the wavelengths that matter most for driving photosynthesis. This leads to lower energy consumption, healthier plants, and improved yields for the grower. A targeted light spectrum also enables growers to control plant color, flavor, appearance, and morphology, such as reducing branching, increasing leaf thickness, speeding up flowering, and obtaining overall better plant vigor.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t<div id=\"text-3786089452\" class=\"text\">\n\t\t\n\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><span class=\"TextRun SCXW155772594 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW155772594 BCX8\"><br \/><br \/><br \/><br \/><br \/>*Gorton, Holly L., (April 22, 2010). \u201c<\/span><\/span><a class=\"Hyperlink SCXW155772594 BCX8\" href=\"http:\/\/photobiology.info\/Gorton.html\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW155772594 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW155772594 BCX8\" data-ccp-charstyle=\"Hyperlink\">Biological Action Spectra<\/span><\/span><\/a><span class=\"TextRun SCXW155772594 BCX8\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW155772594 BCX8\">\u201d. <\/span><\/span><span class=\"TextRun SCXW155772594 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW155772594 BCX8\">Photobiological<\/span><span class=\"NormalTextRun SCXW155772594 BCX8\"> Sciences Online<\/span><\/span><span class=\"TextRun SCXW155772594 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW155772594 BCX8\">. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW155772594 BCX8\">American<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW155772594 BCX8\">Society<\/span><span class=\"NormalTextRun SCXW155772594 BCX8\"> for <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW155772594 BCX8\">Photobiology<\/span><span class=\"NormalTextRun SCXW155772594 BCX8\">.<\/span><\/span><span class=\"EOP SCXW155772594 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-3786089452 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"gap-613048608\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-613048608 {\n  padding-top: 80px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-732165063\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-732165063 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-180943703\">\n\n\n\t<div id=\"col-1264719265\" class=\"col medium-2 small-6 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1914346974\" class=\"col medium-4 small-6 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1247966227\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"511\" height=\"534\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/Pawel_bridefarm-e1710776351392.png\" class=\"attachment-large size-large\" alt=\"Pawel Jacewicz, Grower at Clay Lake, Bridge Farm Group\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/Pawel_bridefarm-e1710776351392.png 511w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/Pawel_bridefarm-e1710776351392-287x300.png 287w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/03\/Pawel_bridefarm-e1710776351392-300x314.png 300w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1247966227 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-1127787737\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1127787737 {\n  padding-top: 2px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-566852644\" class=\"text\">\n\t\t\n\n<p><em>Pawel Jacewicz, Grower at Clay Lake, Bridge Farm Group\u00a0<\/em><\/p>\n\t\t\n<style>\n#text-566852644 {\n  font-size: 0.75rem;\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-274171015\" class=\"col medium-4 small-6 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-230941882\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-230941882 {\n  padding-top: 19px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1530844660\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"583\" height=\"575\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/05\/5f9b03095ac6e9eb8c0aa63d_Ida-Fallstrom_Plant-and-Light-Expert.png\" class=\"attachment-large size-large\" alt=\"Ida F\u00e4llst\u00f6m\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/05\/5f9b03095ac6e9eb8c0aa63d_Ida-Fallstrom_Plant-and-Light-Expert.png 583w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/05\/5f9b03095ac6e9eb8c0aa63d_Ida-Fallstrom_Plant-and-Light-Expert-300x296.png 300w\" sizes=\"auto, (max-width: 583px) 100vw, 583px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1530844660 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-259217336\" class=\"text\">\n\t\t\n\n<p style=\"text-align: center;\"><em>Ida F\u00e4llstr\u00f6m, Plant &amp; Light Expert, Heliospectra AB\u00a0<\/em><\/p>\n\t\t\n<style>\n#text-259217336 {\n  font-size: 0.75rem;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-554294610\" class=\"col medium-2 small-6 large-2\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-245395913\">\n\n\n\t<div id=\"col-409337798\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-137047434\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-235635055\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-235635055 {\n  padding-top: 21px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_987541586\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_987541586 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-558860829\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-558860829 {\n  padding-top: 20px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-700438977\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-700438977 {\n  padding-top: 60px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-2027314033\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2027314033 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1614309385\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1614309385 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-1970277949\">\n\n\n\t<div id=\"col-530950111\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-861247759\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-861247759 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2352386178\" class=\"text\">\n\t\t\n\n<h2>Related content<\/h2>\n\t\t\n<style>\n#text-2352386178 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-80442577\">\n\n\n\t<div id=\"col-242363672\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-724850114\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-724850114 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n  \n    <div class=\"row large-columns-3 medium-columns-1 small-columns-1\" >\n  <div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:80%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/smart-crop-strategies-far-red-gradients\/\" class=\"plain\" aria-label=\"Smart crop Strategies: Far-Red Gradients\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2736\" height=\"1716\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop.png\" class=\"attachment-original size-original wp-post-image\" alt=\"Greenhouse with plants\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop.png 2736w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-300x188.png 300w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-1024x642.png 1024w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-768x482.png 768w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-1536x963.png 1536w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-2048x1284.png 2048w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/09\/Van-Landsbergen-photoshop-800x502.png 800w\" sizes=\"auto, (max-width: 2736px) 100vw, 2736px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center is-large\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/smart-crop-strategies-far-red-gradients\/\" class=\"plain\">Smart crop Strategies: Far-Red Gradients<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:80%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/greenhouse-peppers-high-light-vegetable-series\/\" class=\"plain\" aria-label=\"Greenhouse Peppers &#8211; High Light Vegetable Series\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-scaled.jpeg\" class=\"attachment-original size-original wp-post-image\" alt=\"Red pepper\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-scaled.jpeg 2560w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-300x200.jpeg 300w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-1024x683.jpeg 1024w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-768x512.jpeg 768w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-1536x1024.jpeg 1536w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-2048x1365.jpeg 2048w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/pepper-800x533.jpeg 800w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center is-large\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/greenhouse-peppers-high-light-vegetable-series\/\" class=\"plain\">Greenhouse Peppers &#8211; High Light Vegetable Series<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:80%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/does-your-winter-greenhouse-tomato-know-what-it-could-yield\/\" class=\"plain\" aria-label=\"Does Your Winter Greenhouse Tomato Know What It Could Yield?\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"573\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2022\/11\/article-does-your-greenhouse-tomatoes.webp\" class=\"attachment-original size-original wp-post-image\" alt=\"tomato\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2022\/11\/article-does-your-greenhouse-tomatoes.webp 860w, https:\/\/heliospectra.com\/wp-content\/uploads\/2022\/11\/article-does-your-greenhouse-tomatoes-300x200.webp 300w, https:\/\/heliospectra.com\/wp-content\/uploads\/2022\/11\/article-does-your-greenhouse-tomatoes-768x512.webp 768w, https:\/\/heliospectra.com\/wp-content\/uploads\/2022\/11\/article-does-your-greenhouse-tomatoes-800x533.webp 800w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-center is-large\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/heliospectra.com\/blog\/does-your-winter-greenhouse-tomato-know-what-it-could-yield\/\" class=\"plain\">Does Your Winter Greenhouse Tomato Know What It Could Yield?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<p class=\"from_the_blog_excerpt \">\n\t\t\t\t\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<h3 style=\"text-align: center;\">Get in touch with us!<\/h3>\n<p style=\"text-align: center;\">From custom light planning, to tailored quotes, and everything in between, <br \/>our team of horticulture experts are always ready to assist.<\/p>\n\t<div id=\"gap-485359738\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-485359738 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"579\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/Heliospectra_circular-plant_Web_72_Rityta-1-7.png\" alt=\"\" class=\"wp-image-5224\" style=\"width:610px;height:auto\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/Heliospectra_circular-plant_Web_72_Rityta-1-7.png 596w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/Heliospectra_circular-plant_Web_72_Rityta-1-7-300x291.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure><\/div>\n\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow 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