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An assessment of background removal approaches for improved estimation of rice leaf nitrogen concentration with unmanned aerial vehicle multispectral imagery at various observation times

Precision AgricultureEnvironmental MonitoringEngineeringSynthetic Aperture RadarLand UseImproved EstimationMultispectral ImagingAgricultural EconomicsRemote SensingBackground Removal ApproachesVarious Observation TimesTerrestrial SensingRemote Sensing SensorLand Cover Map