NARROW-BAND VEGETATION INDEXES FROM HYPERION AND DIRECTIONAL CHRIS/PROBA DATA FOR CANOPY CHLOROPHYLL DENSITY ESTIMATION IN MAIZE
作者： Ermes Frazzi , Massimo Vincini , Paolo D'Alessio
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摘要: In the context of CITIMAP (Centre for application Remote Sensing in Precision Agriculture Mechanization) precision farming research program at Vittorio Tadini experimental farm values several narrow-band vegetation indices (VIs) were determined maize 2005/2006 crops from hyperspectral CHRIS/Proba and Hyperion observations. The sensitivity different VIs to Biophysical crop parameters relevant nutritional status nitrogen variable rate fertilization (LAI leaf chlorophyll concentration measured directly field) is addressed. Spectral Polygon Vegetation Index (SPVI) proposed LAI canopy estimation.
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