Light Recipes

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End-Of-Day LED Lightings Influence the Leaf Color, Growth and Phytochemicals in Two Cultivars of Lettuce

Submitted by Elsewhere on 2020-Sep-26 Sat 15:00
500Foods shared this story from Agronomy.

Agronomy, Vol. 10, Pages 1475: End-Of-Day LED Lightings Influence the Leaf Color, Growth and Phytochemicals in Two Cultivars of Lettuce

Agronomy doi: 10.3390/agronomy10101475

Authors: Yamin Li Rui Shi Haozhao Jiang Linyuan Wu Yiting Zhang Shiwei Song Wei Su Houcheng Liu

The keys of uniformity for plant growth

Submitted by Elsewhere on 2020-Sep-24 Thu 08:06

Plants have evolved around the sun as their natural source of energy. This is important because the sun is at an infinite distance away, with a predictable cycle over the course of days and seasons. The more light a plant receives, the more it will grow and thrive. In the natural environment, when a…

What's the difference between broad full spectrum LEDs and red/blue LEDs?

Submitted by Elsewhere on 2020-Sep-23 Wed 13:18

Growers generally have two options when it comes to horticultural LED spectrums – “full spectrum or broad-spectrum, which appears as white light; and red/blue spectrum, which can appear as purple or pink light.    

PL Light Systems releases leafy greens crop guide

Submitted by Elsewhere on 2020-Sep-18 Fri 12:27

Greenhouse and indoor grown leafy greens and culinary herbs provide many advantages over field grown crops, including a more stable climate, more consistent time to harvest, the ability to control lighting, shading, CO2, and increased food safety. Low ambient light levels in the winter and on cloudy…

'We are developing a sustainable technology that uses 75% less LED lighting'

Submitted by Elsewhere on 2020-Sep-08 Tue 10:13

Verde Compacto, a Mexican start-up, producer of container farms and indoor farming growing technologies, has seen significant demand for their growing systems during the pandemic.  'COVID is driving this market forward because people want to know what is behind their food and their diets. Logistic chains in…

Comparison of costs in greenhouse cucumber with LED or HPS

Submitted by Elsewhere on 2020-Sep-08 Tue 10:12

The amount of energy used in agricultural production, processing and distribution is constantly increasing. During the winter months in the greenhouse production industry, the supplemental lighting required to keep up production levels results in high expenditure. Current technology uses broadband…

Far-red light enhances density of tomato seedlings

Submitted by Elsewhere on 2020-Sep-03 Thu 09:28

Brandon Huber, a Ph.D. candidate of Horticultural Science, shared some of his tomato research to help people better understand indoor controlled environmental horticulture and its impact on young plant production. While studying indoor controlled environmental horticulture under the direction of Ricardo…

How to maximize yields with lighting strategies

Submitted by Elsewhere on 2020-Aug-27 Thu 09:23

With a rapidly expanding legal cannabis market in North America, we are seeing an increase in the number of cultivation operations in both indoor and greenhouse applications. Growing cannabis in a controlled environment, allows for control over many environmental factors – including lighting, temperature,…

Effect of different LEDs on Chinese kale

Submitted by Elsewhere on 2020-Aug-26 Wed 11:04

Growth, Nutritional Quality and Health-Promoting Compounds in Chinese Kale Grown under Different Ratios of Red:Blue LED Lights Chinese kale is one of the healthiest vegetables, rich in health-promoting phytochemicals, including carotenoids, vitamin C, amino acid, glucosinolates, anthocyanin, flavonoids…

'LED ensures controllability'

Submitted by Elsewhere on 2020-Aug-24 Mon 09:40

A stronger plant, higher fruit weight and more uniformity in growth; these are the results of illuminated tomato cultivation when combining Philips GreenPower LED toplighting compact and SON-T lighting. Thus a hybrid light solution. Both projects were installed at the end of 2019. The growers, the world renowned tomato…

Increasing yield, while improving plant quality and driving down energy costs

Submitted by Elsewhere on 2020-Aug-24 Mon 09:40

“We’re here to empower cultivators worldwide to explore the interaction between light and life, increasing their yields and plant quality while achieving new margins and profits,” says Steve Graves, VP of Business Development at Fluence by OSRAM. The company was founded in 2013 in Austin, Texas, by…

New GrowSpan light deprivation greenhouses

Submitted by Elsewhere on 2020-Aug-20 Thu 05:13

GrowSpan Greenhouse Structures released their innovative Series 750 Commercial Greenhouse. The greenhouse features an internal light deprivation system that is fully automated. GrowSpan has kept all the benefits of traditional light deprivation systems, but simplified the design. This not only leads to a…

Best types of grow lights for flower and bloom grow cycle

Submitted by Elsewhere on 2020-Aug-18 Tue 10:03

When growing in a commercial greenhouse, all aspects need to be controlled and kept at the optimum levels for plants to grow and thrive. Anything less than optimal will lead to undue stress and will affect the overall quality and yields of crops. Proper lighting is one of the essential elements in a…

Exploring the impact of light on tomato plants and yield

Submitted by Elsewhere on 2020-Aug-13 Thu 10:07

It's time for another Fluence research webinar, August 27 at 3 PM CEST, 8 AM CST. In this episode, Fluence experts from the Horticulture Service and Research teams will discuss two crucial experiments - conducted in collaboration with Wageningen University in the Netherlands - that improve our collective…

More light into the greenhouse in three steps

Submitted by Elsewhere on 2020-Aug-13 Thu 10:05

An old growers' saying has it that 1% more light yields 1% higher production. Scientists have since shown that this is in fact a bit more nuanced: depending on the crop this varies from 0.5% to 1.25%. However, the principle remains the same; during a large part of the year all of the sunlight can…

Winter trials show promising results for LED in cucumber cultivation

Submitted by Elsewhere on 2020-Jul-24 Fri 09:40

LED lighting has been proving its worth in the cultivation of various crops. From tomatoes and herbs to strawberries and cannabis, many growers have already made the switch from HPS (SON-T). One crop that's still lagging behind a bit in this development is the cucumber, where growers still mostly favor…

TotalGrow launches Horticultural Lighting Guide

Submitted by Elsewhere on 2020-Jul-13 Mon 09:21

What is a mole of light? How much light will meet my goals? How can I discern if a light plan is going to provide these needed light levels and actually work? How does spectrum influence growth?  “The more I learn, the more I realize how much I don't know," said Albert Einstein. Attempting to research and…

Controlling plants with the power of light

Submitted by Elsewhere on 2020-Jul-07 Tue 13:32

University of East Anglia scientists have helped find a way to control different plant processes – such as when they grow – using nothing but coloured light. The development reveals how coloured light can be used to control biological processes in plants by switching different genes on and off. The…