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Title:Roadway Lighting’s Impact on Altering Soybean Growth – Volume 2: LED versus HPS Color Spectral Impact
Author(s):Palmer, Matthew.; Gibbons, Ronald.; Bhagavathula, Rajaram.; Holshouser, David.
Subject(s):lighting trespass
soybean
growth
lighting
lighting systems
street lighting
highway lighting
roadway lighting
lighting specifications
soybean development
Abstract:The impact of roadway lighting on soybean plant growth and development, was measured in situ at three locations in the state of Illinois. These locations were situated in close proximity of each other for the purpose of evaluating whether there was a difference in the soy response to HPS roadway lighting, versus soy lit by a specific model of 4,000K LED roadway lighting. The plant data collection included the reproductive-stage, the plant moisture content, and the dried seed weight after harvest. The impact of the type of roadway lighting on the reproduction stage and normalized yield was within the modeling confidence limits at a level of 90%. Modifications are recommended to the specification for roadway lighting trespass. This will minimize the impact on soybean plants based on the two roadway luminaire designs included in this study.
Issue Date:2018-06
Publisher:Illinois Center for Transportation/Illinois Department of Transportation
Citation Info:Palmer, Matthew., Ronald Gibbons, Rajaram Bhagavathula, and David Holshouser. 2018. Roadway Lighting’s Impact on Altering Soybean Growth – Volume 2: LED versus HPS Color Spectral Impact A report of the findings of ICT PROJECT R27-172. Illinois Center for Transportation Series No. 18-011. Research Report No. FHWA-ICT-18-009. Illinois Center for Transportation, Rantoul, IL.
Series/Report:FHWA-ICT-18-009
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/100117
ISSN:0197-9191
Sponsor:IDOT-R27-172
Rights Information:No restrictions. This document is available through the National Technical Information Service, Springfield, VA 22161.
Date Available in IDEALS:2018-06-27


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