数字农科院2.0

Research on Zinc Content in Leaf of Olinda Valencia Orange Using Visible Near Infrared Spectroscopy Model

文献类型： 外文期刊

作者： Yi Shi-lai;Deng Lie;He Shao-lan;Zheng Yong Qiang;Wang Liang;Zhao Xu-yang;Yi Shi-lai;Deng Lie;He Shao-lan;Zheng Yong Qiang;Yi Shi-lai;Deng Lie;He Shao-lan;Zheng Yong Qiang

作者机构：

关键词： Olinda orange;Leaf Zinc (Zn) contents;Vis/NIR spectroscopy;Partial least squares (PLS)

期刊名称： SPECTROSCOPY AND SPECTRAL ANALYSIS

ISSN： 1000-0593

年卷期： 2010 年 30 卷 11 期

页码：

收录情况： SCI

摘要： Olinda valencia orange leaves dry powder-like we're taken as sample and chemical analysis combined with technology of visible near-infrared spectroscopy (Vis/NIRS) was used through the treatment process of second derivative spectrum of samples of the original spectrum and denoising (Noise) Meanwhile method of partial least squares (PLS) and cross validation were used to establish maths model of Zn concentration which applying band combination composited by 400 500 and 1 201 1 300 nm of characteristic wavelength band. The coefficient of establishing models is 0 997 5 while the coefficient of correlation coefficient of prediction is 0 992 0 The root mean square error of prediction (RMSEP) of cross validation is 0 586 8 Therefore the means using visible near-infrared spectroscopy (Vis/NIRS) and the methods of cross validation and PLS to establish the spectral correction model reflecting the Zn content in leaves and characteristic wavelength bands can detect the Zn content in citrus leaves quantitatively and quickly

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