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Near infrared diffuse reflectance spectroscopy for rapid and comprehensive soil condition assessment in smallholder cacao farming systems of Papua New Guinea

Soil CharacterizationSoil PropertyPrecision AgricultureEnvironmental MonitoringEngineeringLand UseSpectroscopyAgricultural EconomicsRemote SensingSmallholder CacaoNear-infrared SpectroscopyDiffuse Reflectance SpectroscopyPrecision Soil MappingEarth SciencePapua New Guinea