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Spectral response of romaine lettuce by uptake of ZN

机译:摄取ZN对生菜的光谱响应

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This study investigates spectral characteristics of romaine lettuce at different uptake level of Zn. Also, spectral changes are analyzed to define spectral response of romaine lettuce to Zn uptake. The Zn concentration of control samples range from 0.009 to 0.030 %, whereas that of Zn contaminated samples shows a range of 0.014 to 0.119 %. The Zn concentration dramatically rises from 68th day of experiment. The reflectance of Zn containing romaine lettuce decreases in NIR region and increase in visible region as Zn concentration increases. Moreover, blue shift occurs at red edge point, as romaine lettuce contains more Zn. We think that it is very remarkable to detect Zn containing romaine lettuce in field in seconds.
机译:这项研究调查了生菜在不同的锌吸收水平下的光谱特性。另外,分析光谱变化以定义生菜对锌吸收的光谱响应。对照样品的Zn浓度范围为0.009至0.030 \%,而Zn污染样品的Zn浓度范围为0.014至0.119 \%。从实验的第68天开始,锌的浓度急剧上升。随着锌浓度的增加,含锌长叶莴苣的反射率在NIR区域降低,在可见光区域增加。此外,由于长叶莴苣含有更多的Zn,所以在红色边缘点会发生蓝移。我们认为在几秒钟内在现场检测含锌的长叶莴苣是非常了不起的。

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