LED光源在现代农业的应用原理与技术进展  

Application Principle and Technology Progress in Using Light-Emitting Diode(LED) Light Sources in Modern Agriculture

作　　者：杨其长[1] 徐志刚[2] 陈弘达[3] 泮进明[4] 魏灵玲[1] 刘文科[1] 周泓 刘晓英[2] 宋昌斌[3] 

机构地区：[1]中国农业科学院农业环境与可持续发展研究所,农业部设施农业节能与废弃物处理重点实验室,北京100081 [2]南京农业大学,南京210095 [3]中国科学院半导体研究所,北京100083 [4]浙江大学生物系统工程与食品科学学院,杭州310058 [5]杭州汉徽光电科技有限公司,杭州310053

出　　处：《中国农业科技导报》2011年第5期37-43,共7页Journal of Agricultural Science and Technology

基　　金：国家863计划项目(2011AA03A114)资助

摘　　要：随着LED技术的发展和制造成本的下降,LED光源在现代农业中的应用越来越受到世界各国的广泛关注。LED不仅具有体积小、寿命长、能耗低、发光效率高、发热低等光电特性优点,而且还能根据农业生物的需要进行光谱的精确配置,促进农业生物的生长发育和光形态建成,从而提高其产量和品质。本文介绍了LED在农业照明领域的应用现状,分析了LED在农业领域的应用潜力,指出了限制农用LED推广应用的关键因素,并提出促进LED在现代农业中应用的发展思路、方向和重点以及对策。The application of light-emitting diode（LED） in modern agriculture has been increasingly concerned by countries worldwide with the development of LED technology and the decrease of its cost.LED has many advantages compared with the other electric light sources.First,it has good traits of photoelectric such as small size,longer life,low energy consumption,high luminous efficiency and low heat production.Second,light spectral composition of LED light source can be easily integrated or tailored according to the need of plant.LED light sources can efficiently promote the growth development,photo-morphogenesism,yield and quality of agricultural organisms.In this paper,application status of LED in agriculture was outlined,potential of LED application was analyzed,and key factors that limits application of LED in agriculture was pointed out.Finally,future development strategy,orientations and countermeasures of LED application in modern agriculture were discussed.

关 键 词：人工光源 发光二极管(LED) 现代农业 生物产业 应用进展 

分 类 号：S123[农业科学—农业基础科学] TM923.01[电气工程—电力电子与电力传动]