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作者在主要农学参数间相关分析的基础上,进行了叶片含氮量、叶绿素含量、叶面积指数与光谱变量的相关分析和综合分析,明确了最佳农学光谱模式及其在各生育期光谱变异中的作用。从而证明通过光谱测定可以推算出叶绿素含量、叶片和稻株含氮量及叶面积指数。
Based on the correlation analysis of the main agronomic parameters, the authors carried out the correlation analysis and comprehensive analysis of leaf nitrogen content, chlorophyll content, leaf area index and spectral variables, and identified the best agronomic spectral patterns and their spectral variations at different growth stages In the role. Thus it can be proved that the content of chlorophyll, the nitrogen content of leaves and rice plants and the leaf area index can be calculated by spectrometry.