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Effects of Water Stress on Red-Edge Parameters and Yield in Wheat Cropping
He Ke-xun1,2; Zaho Shu-he1,2; Lai Jian-bin3; Luo Yun-xiao1,2; Qin Zhi-hao2,4
2013-08-01
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
Volume33Issue:8Pages:2143-2147
AbstractThe objective of the present paper is to study the influence of water stress on wheat spectrum red edge parameters by using field wheat spectrum data obtained from water stress experiment. Firstly, the authors analyzed the influence of water stress on wheat spectrum reflectance. Then the authors got the wheat red edge position and red edge peak through calculating wheat spectrum first-order differential and analyzed the influence of water stress on wheat red edge parameters. Finally the authors discussed the relationship between red peak and wheat yield. The results showed that the wheat red edge position shows "red shift" at the beginning of the wheat growth period and "blue shift" at the later period of the wheat growth period under the water stress experiment. Also, the red edge peak of the wheat showed that red edge peak increased with the water stress sharpening at the beginning of the wheat growth period, and then the red edge peak reduced with the water stress sharpening. The wheat red edge peak presented positive correlation with the wheat yield before the elongation period, and exhibited negative correlation after that period.
SubtypeArticle
KeywordSpectrum Reflectance Water Stress Red Edge Parameters Wheat Yield
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedSpectroscopy
WOS KeywordDROUGHT
Indexed BySCI
Language英语
WOS SubjectSpectroscopy
WOS IDWOS:000322692200028
PublisherOFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68516
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZaho Shu-he
Affiliation1.Nanjing Univ, Sch Geog & Oceanog Sci, Nanjing 210093, Jiangsu, Peoples R China
2.Nanjing Univ, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Nanjing 210093, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Geog & Resource Sci, Beijing 100101, Peoples R China
4.Nanjing Univ, Int Inst Earth Syst Sci, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
He Ke-xun,Zaho Shu-he,Lai Jian-bin,et al. Effects of Water Stress on Red-Edge Parameters and Yield in Wheat Cropping[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2013,33(8):2143-2147.
APA He Ke-xun,Zaho Shu-he,Lai Jian-bin,Luo Yun-xiao,&Qin Zhi-hao.(2013).Effects of Water Stress on Red-Edge Parameters and Yield in Wheat Cropping.SPECTROSCOPY AND SPECTRAL ANALYSIS,33(8),2143-2147.
MLA He Ke-xun,et al."Effects of Water Stress on Red-Edge Parameters and Yield in Wheat Cropping".SPECTROSCOPY AND SPECTRAL ANALYSIS 33.8(2013):2143-2147.
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