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Inversion of Biochemical Parameters by Selection of Proper Vegetation Index in Winter Wheat 被引量：2

Inversion of Biochemical Parameters by Selection of Proper Vegetation Index in Winter Wheat
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摘要 Recent studies have demonstrated the application of vegetation indices from canopy reflectedspectrum for inversion of chlorophyll concentration. Some indices are both response tovariations of vegetation and environmental factors. Canopy chlorophyll concentration, anindicator of photosynthesis activity, is related to nitrogen concentration in green vegetationand serves as an indicator of the crop response to soil nitrogen fertilizer application. Thecombination of normalized difference vegetation index (NDVI) and photochemical reflectanceindex (PRI) can reduce the effect of leaf area index (LAI) and soil background. The canopychlorophyll inversion index (CCII) was proved to be sensitive to chlorophyll concentration andvery resistant to the other variations. This paper introduced the ratio of TCARI/OSAVI to makeaccurate predictions of winter wheat chlorophyll concentration under different cultivars. Itindicated that canopy chlorophyll concentration could be evaluated by some combined vegetationindices. Recent studies have demonstrated the application of vegetation indices from canopy reflectedspectrum for inversion of chlorophyll concentration. Some indices are both response tovariations of vegetation and environmental factors. Canopy chlorophyll concentration, anindicator of photosynthesis activity, is related to nitrogen concentration in green vegetationand serves as an indicator of the crop response to soil nitrogen fertilizer application. Thecombination of normalized difference vegetation index (NDVI) and photochemical reflectanceindex (PRI) can reduce the effect of leaf area index (LAI) and soil background. The canopychlorophyll inversion index (CCII) was proved to be sensitive to chlorophyll concentration andvery resistant to the other variations. This paper introduced the ratio of TCARI/OSAVI to makeaccurate predictions of winter wheat chlorophyll concentration under different cultivars. Itindicated that canopy chlorophyll concentration could be evaluated by some combined vegetationindices.
作者 HUANGWen-jiang WANGJi-hua LIULiang-yun ZHAOChun-jiang WANGZhi-jie WANGJin-di
机构地区 ResearchCenterforRemoteSensingandGIS NationalEngineeringResearchCenterforInformationTechnologyinAgriculture
出处 《Agricultural Sciences in China》 CAS CSCD 2004年第3期178-185,共8页 中国农业科学（英文版）
基金 support provided for this research by the Special Funds for Major State Basic Research Project(G20000779) the 863 National Project(2002AA243011,2003AA209010 and H020821020130)
关键词 Winter wheat Canopy reflected spectrum Structure Insensitive Vegetation Index Chlorophyll concentration Winter wheat,Canopy reflected spectrum,Structure Insensitive Vegetation Index, Chlorophyll concentration
分类号 S512.110.1 [农业科学—作物学]
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参考文献10

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同被引文献17

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Agricultural Sciences in China
2004年 第3期

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