Biosystems Engineering · 2008 · 22 citations · 26 references
AgricultureEarth SciencesSoil SciencesSoil Organic MatterSoil PhysicsSoil ScienceSoil Carbon SensingSoil CompositionSoil Nitrogen ChemistrySoil Organic Matter SensingSoil Resource AssessmentSoil TextureNitrogen Content EstimationSample TransportSample Transport ValidationSoil Nitrogen AssessmentSoil Nitrogen Concentration EstimationSoil Organic Carbon Content MeasurementSoil Organic Matter SpectroscopyTropical Soils
26