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Hyperspectral reflectance data (350nm to 2500nm) were recorded for five different soil types originating from seven eco-climatic zones in middle and eastern China. Three spectral formats were prepared for use in the development of soil organic matter content (SOM) prediction models: (1) original spectral reflectance (OR), (2) first derivative spectra corrected using the Savitzky–Golay (FD-SG) technique...
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