A method and system of measurement for agronomical survey using ASD-Fieldspec

摘要

The present invention provides soil organic carbon (%), total nitrogen (%), stability carbon (δ 13 C, ‰) and nitrogen (δ 15 N, ‰) isotope ratios for simultaneous quantification. According to the present invention, the difference from the conventional soil spectroscopy technique is that the spectral range used for building the spectral library is wide (hyperspectral, 350-2500 nm), the absence of hyperspectral-based soil organic carbon-nitrogen estimation technology and the carbon- The nitrogen stability isotope ratio can be quantified together.