Arid
DOI10.17660/ActaHortic.2008.797.68
Diffuse Greenhouse Covering Materials - Material Technology, Measurements and Evaluation of Optical Properties
Hemming, S.; Mohamrnadkhani, V.; Dueck, T.
通讯作者Hemming, S.
会议名称International Workshop on Greenhouse Environmental Control and Crop Production in Semi-Arid Regions
会议日期OCT 20-24, 2008
会议地点Tucson, AZ
英文摘要

At high irradiation levels, diffuse greenhouse coverings result in better light distribution, lower crop temperature, decreased transpiration, and increased photosynthesis and growth. Various greenhouse coverings (plastic films, glass panes and temporal coatings) can be used to transform direct light into diffuse light. However, light diffusing properties of materials are hardly known. Optical properties of a wide range of materials are being currently investigated, including direct light transmission under different angles of incidence, transmission for hemispherical light and haze. The potential of diffusing greenhouse covering materials is estimated by analyzing the global radiation data for different climatic regions: marine winter climate (The Netherlands), Mediterranean mild winter climate (Italy) and semi-arid climate (Arizona). The required optical properties differ for the various climates. With modern material technology, the optical properties (haze and light transmission) can be altered to meet the requirements for different climatic regions in order to optimize crop performance in the future.


英文关键词diffuse light hemispherical light transmission haze plastic films glass temporal coatings
来源出版物PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON GREENHOUSE ENVIRONMENTAL CONTROL AND CROP PRODUCTION IN SEMI-ARID REGIONS
ISSN0567-7572
出版年2008
期号797
页码469-475
ISBN978-90-6605-581-0
出版者INTERNATIONAL SOCIETY HORTICULTURAL SCIENCE
类型Proceedings Paper
语种英语
国家Netherlands
收录类别CPCI-S
WOS记录号WOS:000261541700068
WOS关键词PINATUBO
WOS类目Agronomy ; Horticulture
WOS研究方向Agriculture
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/297362
作者单位Univ Wageningen & Res Ctr, NL-6700 AA Wageningen, Netherlands
推荐引用方式
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Hemming, S.,Mohamrnadkhani, V.,Dueck, T.. Diffuse Greenhouse Covering Materials - Material Technology, Measurements and Evaluation of Optical Properties[C]:INTERNATIONAL SOCIETY HORTICULTURAL SCIENCE,2008:469-475.
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