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- Title
The Effect of LED Lighting on Lettuce Growth in a Vertical IoT-Based Indoor Hydroponic System.
- Authors
Kuankid, Sanya; Aurasopon, Apinan
- Abstract
Indoor vertical hydroponics is one of the most recent agricultural technologies introduced. It is a method of growing plants in vertically stacked layers using water and nutrient solutions instead of soil. When cultivating such a system, utilizing and maintaining the quality of water and nutrients is critical for plant growth. Additionally, LED growth lights have a significant effect on plants. Despite developments in LED lighting and Internet of Things based smart agriculture systems, there is a lack of information on LED lighting for hydroponically grown crops in vertical culture since vertical agriculture is a relatively new field of study. Thus, this research aimed to develop an Internet of Things based agricultural system to automated control LED-based artificial lighting on crop cultivation and explore the effects of different LED lights on plant growth. Numerous sensors were installed and monitored to measure the Potential of Hydrogen ion, Electrical Conductivity, and other parameters in the Internet of Things based system. The Blynk application can remotely control the LEDs and monitor the entire sensor and actuator. As for the effects of LED light, particularly the red and blue light, we utilize a case study of three LED grow light models from the manufacturer as light treatments for cultivating green leaf lettuce (Lactuca sativa). The result showed that increased red light (RED/BLUE = 2:1) increased plant height, leaf width, and leaf length on both harvesting days (10 and 20 day after transplanting). The lettuce plant shape and size signify that the lettuces in each tier are of a good standard and comparable in size.
- Publication
International Journal of Online & Biomedical Engineering, 2022, Vol 18, Issue 7, p70
- ISSN
2626-8493
- Publication type
Academic Journal
- DOI
10.3991/ijoe.v18i07.25467