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spectral diagnosis
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spectral diagnosis
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农学
光谱诊断
释
spectral diagnosis
光谱诊断
利用光谱学原理和试验方法以确定植物营养状况的分析方法。植物叶片组分的光谱诊断原理是植物中的一些化学组成分子结构中的化学键在一定辐射水平的照射下发生振动,引起某些波长的光谱发射和吸收产生差异,从而产生不同的光谱反射吸收或反射,其特点是准确、灵敏、快速和简便。
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