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Hyperspectral Characteristics of Spring Maize from Jointing to Silking Stage under Drought Stress
Alternative TitleHyperspectral Characteristics of Spring Maize from Jointing to Silking Stage under Drought Stress
Wang Hongbo; Feng Rui; Ji Ruipeng; Wu Jinwen; Yu Wenying; Zhang Yushu
2012
Source PublicationSPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN1000-0593
Volume32Issue:12Pages:3358-3362
AbstractBy monitoring hyperspectral characteristics of spring maize from jointing to silking stage under different drought stress in Jinzhou of Liaoning, China, its spectral characteristics of visible light, red edge region and near infrared were researched, and the correlation of spectral reflectivity of different wavelength with soil moisture was analyzed. The results show that during the jointing to siking stage, the spectral reflectivity of 350 similar to 710 nm has significant negative correlation to soil moisture of 0 and 20 cm depth, but the spectral reflectivity of 710 similar to 1 300 nm has positive correlation to soil moisture of 0, 20, 40 and 60 cm, and the significant correlation is at 40 cm depth. The spectral reflectivity of red edge region (680 similar to 760 nm) which is relatively sensitive and stable, can better reflect the growth status of the plant, and the reflectivity variation per unit wavelength in this region increased at first and then decreased. The trend of polynomial regression curve of red edge parameters and soil moisture of different depth (0 similar to 60 cm) is similar, which shows that soil moisture of 0 and 20 cm increased at first and then decreased, but that of 40 cm and 60cm was opposite.
KeywordDrought stress Spring maize Jointing stage Silking stage Hyperspectral characteristics
Indexed ByCSCD
Language英语
CSCD IDCSCD:4691826
Citation statistics
Cited Times:10[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/149962
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang Hongbo,Feng Rui,Ji Ruipeng,et al. Hyperspectral Characteristics of Spring Maize from Jointing to Silking Stage under Drought Stress[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2012,32(12):3358-3362.
APA Wang Hongbo,Feng Rui,Ji Ruipeng,Wu Jinwen,Yu Wenying,&Zhang Yushu.(2012).Hyperspectral Characteristics of Spring Maize from Jointing to Silking Stage under Drought Stress.SPECTROSCOPY AND SPECTRAL ANALYSIS,32(12),3358-3362.
MLA Wang Hongbo,et al."Hyperspectral Characteristics of Spring Maize from Jointing to Silking Stage under Drought Stress".SPECTROSCOPY AND SPECTRAL ANALYSIS 32.12(2012):3358-3362.
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