{"id":5166,"date":"2023-05-03T14:31:57","date_gmt":"2023-05-03T14:31:57","guid":{"rendered":"https:\/\/heliospectra.com\/?p=5166"},"modified":"2024-09-17T09:54:14","modified_gmt":"2024-09-17T09:54:14","slug":"does-your-winter-greenhouse-tomato-know-what-it-could-yield","status":"publish","type":"post","link":"https:\/\/heliospectra.com\/blog\/does-your-winter-greenhouse-tomato-know-what-it-could-yield\/","title":{"rendered":"Does Your Winter Greenhouse Tomato Know What It Could Yield?"},"content":{"rendered":"<p><\/p><div class=\"row\"  id=\"row-1500980451\">\n\n\n\t<div id=\"col-315424601\" 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-1902387198\">\n\n\n\t<div id=\"col-1663895717\" 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-963781943\" class=\"text\">\n\t\t\n\n<p>Research<\/p>\n\t\t\n<style>\n#text-963781943 {\n  text-align: center;\n  color: rgb(255,255,255);\n}\n#text-963781943 > * {\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-1663895717 > .col-inner {\n  border-radius: 34px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1978156893\" 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-2685444036\" class=\"text\">\n\t\t\n\n<p>Articles<\/p>\n\t\t\n<style>\n#text-2685444036 {\n  text-align: center;\n  color: rgb(255,255,255);\n}\n#text-2685444036 > * {\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-1978156893 > .col-inner {\n  border-radius: 34px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"gap-1658450779\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1658450779 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1466785383\" class=\"text\">\n\t\t\n\n<p><span data-contrast=\"none\">Adjustable-spectra LED lighting systems make it possible to provide crops with near-constant summertime DLI 365 days\/year. This strategy can be used to ensure vigorous plants through every stage of growth and deliver quality yields consistently year-round.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">If you\u2019re growing tomatoes in a greenhouse with greenhouse growing lights in Guadalajara, Mexico (20.7\u00b0N) or the southwestern United States, you might expect a DLI of almost 40 mol\/day (60 mol\/day outside) in the middle of May. You\u2019ve just had the best day ever\u2014if only you could mimic this perfect light for 364 more days.\u00a0 With a little measuring, the head grower of this operation can use supplemental light to approximate natural summer sunlight conditions.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-1466785383 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-162002471\" class=\"text\">\n\t\t\n\n<p><a class=\"Hyperlink SCXW149386866 BCX8\" href=\"https:\/\/heliospectra.com\/blog\/heliolesson-2-light-intensity-and-basics-of-dli\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW149386866 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW149386866 BCX8\" data-ccp-charstyle=\"Hyperlink\">View our Webinar on the Light Intensity and the Basics of DLI &gt;&gt;<\/span><\/span><\/a><span class=\"EOP SCXW149386866 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-162002471 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-954355930\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-954355930 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1819529653\" class=\"text\">\n\t\t\n\n<h5><span class=\"TextRun SCXW24801220 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW24801220 BCX8\" data-ccp-parastyle=\"heading 4\">Plants and DLI <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW24801220 BCX8\" data-ccp-parastyle=\"heading 4\">Requirements<\/span><\/span><span class=\"EOP SCXW24801220 BCX8\" 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><\/h5>\n\t\t\n<style>\n#text-1819529653 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<p style=\"text-align: left;\"><span data-contrast=\"none\">As we discussed in the previous post, DLI describes the cumulative amount of photosynthetically active radiation (PAR) that shines in a 24-hour period, expressed as mol\u00b7m-\u00b2\u00b7d-\u00b9, or mol\/day. DLI will vary daily and seasonally with the angle of the sun and length of the day, factors that are in turn determined by geographic location.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Plants are generally categorized by their DLI requirements into low-light (certain ferns and orchids), medium-light (annuals like bedding plants and flowers), high-light (perennials and vegetables), and very high-light (roses, tomatoes). This is a useful concept to cultivators seeking precision when deciding the crop layout and schedule in the greenhouse.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">The Purdue University chart below represents a range of quality for tomato and pepper from a lower average DLI\u2014resulting in minimum acceptability\u2014to a high average DLI that achieves greater finish and consistent yield.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/p>\n<p><\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Researchers and growers have observed that increasing DLI generally increases biomass and fruiting, and that\u2019s true up to a certain point. Every plant has a threshold, beyond which further light exposure may not encourage growth at the same rate.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">It is up to every greenhouse operation to determine target DLI based on growth objectives to strike a balance between underlighting, which may result in anemic production, and overlighting, which may stress plants and yield diminishing returns. Of course, target DLI alone does not dictate the final harvest numbers; the interactions of temperature, CO2 levels, and fertigation must also be accounted for in addition to the plants\u2019 light needs.<\/span><b><span data-contrast=\"none\">\u200d<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h5 style=\"text-align: left;\"><span class=\"TextRun SCXW89663926 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW89663926 BCX8\">Calculating<\/span><span class=\"NormalTextRun SCXW89663926 BCX8\"> The <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW89663926 BCX8\">Need<\/span><span class=\"NormalTextRun SCXW89663926 BCX8\"> for <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW89663926 BCX8\">Supplemental<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW89663926 BCX8\">Lighting<\/span><\/span><span class=\"EOP SCXW89663926 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h5>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Over the course of a January day, a tomato greenhouse grower in the southwestern United States may be measuring sunlight at 13 mol\/day (20 mol outside). For this year-round production facility, that\u2019s more than enough for seedlings in the propagation stage (6-8 mol\/day), but not enough to support higher quality fruit production at 20+ mol\/day. How would we model supplemental light?<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Photosynthetic photon flux density (PPFD) is the amount of light being delivered to a surface. If we know the PPFD at the crop is an even spread of 300 \u00b5mol\u00b7m-\u00b2\u00b7s-\u00b9 (and indeed our lights are spaced for this footprint), with a target DLI of 25 mol\/day, a quick calculation shows we should run our lights for about 12 hours on that day.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">It\u2019d be a waste to shine supplemental light when natural sunlight is adequate, so we typically break up the lamp run time between midnight to morning and then again in the late afternoon.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span data-contrast=\"none\">Since DLI is cumulative, our supplemental light does not need to meet the plant continuously. For a day-neutral plant like tomato, this strategy allows us to take advantage of the cheaper, evening electricity rate. A tomato receiving 25 mol\/day will reach harvest grade faster than its 13-mol\/day counterpart, which is of further benefit during a time when winter wholesale premiums are higher as well.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h5 style=\"text-align: left;\"><span class=\"TextRun SCXW131889813 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW131889813 BCX8\" data-ccp-parastyle=\"heading 4\">Strategizing<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW131889813 BCX8\" data-ccp-parastyle=\"heading 4\">around<\/span><span class=\"NormalTextRun SCXW131889813 BCX8\" data-ccp-parastyle=\"heading 4\"> DLI Makes <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW131889813 BCX8\" data-ccp-parastyle=\"heading 4\">Economic<\/span><span class=\"NormalTextRun SCXW131889813 BCX8\" data-ccp-parastyle=\"heading 4\"> Sense<\/span><\/span><span class=\"EOP SCXW131889813 BCX8\" 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><\/h5>\n<p style=\"text-align: left;\"><span class=\"TextRun SCXW10574126 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">Supplemental<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">lighting<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">isn\u2019t<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> just for <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">January<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\">, <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">though<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\">. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">Making<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">use<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">of<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">our<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">grower\u2019s<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">historical<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">averages<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> for <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">monthly<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> DLI and <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">harvest<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">production<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\">, <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">we<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">see<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">significant<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">increase<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> in <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">yield<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> as <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">more<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">natural<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">light<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">becomes<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">available<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\">. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">Using<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">supplemental<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">lighting<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> to <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">reach<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">target<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> DLI 365 <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">days<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">year<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">equalizes<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">low-light<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">months<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">with<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\"> the <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">sunniest<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">of<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW10574126 BCX8\">days<\/span><span class=\"NormalTextRun SCXW10574126 BCX8\">.<\/span><\/span><span class=\"EOP SCXW10574126 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n\t<div id=\"gap-121984242\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-121984242 {\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_866443479\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"248\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/article-does-your-greenhouse-tomatoes-2.jpg\" class=\"attachment-large size-large\" alt=\"\u201c\u201d\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/article-does-your-greenhouse-tomatoes-2.jpg 345w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/11\/article-does-your-greenhouse-tomatoes-2-300x216.jpg 300w\" sizes=\"auto, (max-width: 345px) 100vw, 345px\" \/>\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_866443479 {\n  width: 49%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2291005372\" class=\"text\">\n\t\t\n\n<p><em><span class=\"TextRun SCXW79522043 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">Twenty-year<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">historical<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">yields<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> and <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">climate<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">control<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> system data for a greenhouse in the <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">southwestern<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> U.S. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">demonstrate<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">that<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">months<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">with<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">higher<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> DLI <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">correspond<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> to a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">greater<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">tomato<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">harvest<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\">. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">These<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">numbers<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">also<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">demonstrate<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">that<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">even<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> in a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">high<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">light<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> area greenhouse, the <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">majority<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">of<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> the <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">year<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> is still under the <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW79522043 BCX8\">target<\/span><span class=\"NormalTextRun SCXW79522043 BCX8\"> DL<\/span><\/span><span class=\"EOP SCXW79522043 BCX8\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/em><\/p>\n\t\t\n<style>\n#text-2291005372 {\n  font-size: 0.8rem;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1849461684\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1849461684 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1220736381\" class=\"text\">\n\t\t\n\n<p><strong><span class=\"TextRun SCXW239810482 BCX8\" lang=\"SV-SE\" xml:lang=\"SV-SE\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW239810482 BCX8\">Ready to <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">increase<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">production<\/span><span class=\"NormalTextRun SCXW239810482 BCX8\">, <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">quality<\/span><span class=\"NormalTextRun SCXW239810482 BCX8\">, and <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">sales<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">with<\/span><span class=\"NormalTextRun SCXW239810482 BCX8\"> a <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">customized<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">lighting<\/span> <span class=\"NormalTextRun SpellingErrorV2Themed SCXW239810482 BCX8\">strategy<\/span><span class=\"NormalTextRun SCXW239810482 BCX8\">?<\/span><\/span><span class=\"EOP SCXW239810482 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/strong><\/p>\n<p><strong>If yes, fill out the form below!<\/strong><\/p>\n\t\t\n<style>\n#text-1220736381 {\n  color: #6ebd8f;\n}\n#text-1220736381 > * {\n  color: #6ebd8f;\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-2060067711\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2060067711 {\n  padding-top: 50px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-1947414826\">\n\n\n\t<div id=\"col-267699688\" 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-678755622\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-678755622 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-588037332\" class=\"text\">\n\t\t\n\n<h2>Related content<\/h2>\n\t\t\n<style>\n#text-588037332 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-289713374\">\n\n\n\t<div id=\"col-560590043\" 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-1915991258\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1915991258 {\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\/dli-controller-heliocore-user-interface\/\" class=\"plain\" aria-label=\"DLI Controller &#8211; helioCORE User Interface\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1250\" height=\"833\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse.png\" class=\"attachment-original size-original wp-post-image\" alt=\"Ipad in greenhouse showing helioCORE interface\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse.png 1250w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse-300x200.png 300w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse-1024x682.png 1024w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse-768x512.png 768w, https:\/\/heliospectra.com\/wp-content\/uploads\/2024\/05\/ipad-in-Greenhouse-800x533.png 800w\" sizes=\"auto, (max-width: 1250px) 100vw, 1250px\" \/>\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\/dli-controller-heliocore-user-interface\/\" class=\"plain\">DLI Controller &#8211; helioCORE User Interface<\/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\tUncover light optimization, DLI targeting, and yield maximization strategies!\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\/the-absorption-action-spectrum-and-the-benefits-of-green-light\/\" class=\"plain\" aria-label=\"The Absorption and Action Spectrum and the Benefits of Green Light\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1323\" src=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum.jpg\" class=\"attachment-original size-original wp-post-image\" alt=\"\u201c\u201d\" srcset=\"https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum.jpg 1920w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum-300x207.jpg 300w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum-1024x706.jpg 1024w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum-768x529.jpg 768w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum-1536x1058.jpg 1536w, https:\/\/heliospectra.com\/wp-content\/uploads\/2023\/03\/LED-Spectrum-800x551.jpg 800w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/>\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\/the-absorption-action-spectrum-and-the-benefits-of-green-light\/\" class=\"plain\">The Absorption and Action Spectrum and the Benefits of Green Light<\/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>","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":5168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[100,96],"tags":[129,108,112],"class_list":["post-5166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-growers-centre-tag","tag-all","tag-dli","tag-vine-crops"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Does Your Winter Greenhouse Tomato Know What It Could Yield?<\/title>\n<meta name=\"description\" content=\"&quot;Does Your Winter Greenhouse Tomato Know Its 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Optimize DLI for year-round yields. Boost quality and sales!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/heliospectra.com\/blog\/does-your-winter-greenhouse-tomato-know-what-it-could-yield\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Does Your Winter Greenhouse Tomato Know What It Could Yield?\" \/>\n<meta property=\"og:description\" content=\"&quot;Does Your Winter Greenhouse Tomato Know Its Potential Yield? Optimize DLI for year-round yields. 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