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Rapid identification of soil organic matter level via visible and near-infrared spectroscopy: Effects of two-dimensional correlation coefficient and extreme learning machine

Organic GeochemistryPrecision AgricultureEnvironmental MonitoringEngineeringExtreme Learning MachinePattern RecognitionSpectroscopySoil Organic MatterSoil ClassificationRemote SensingTwo-dimensional Correlation CoefficientNear-infrared SpectroscopyPrecision Soil MappingEarth ScienceHyperspectral Imaging