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Soil macronutrient sensing for precision agriculture
2009
Journal of Environmental Monitoring
Accurate measurements of soil macronutrients (i.e., nitrogen, phosphorus, and potassium) are needed for efficient agricultural production, including site-specific crop management (SSCM), where fertilizer nutrient application rates are adjusted spatially based on local requirements. Rapid, non-destructive quantification of soil properties, including nutrient levels, has been possible with optical diffuse reflectance sensing. Another approach, electrochemical sensing based on ion-selective
doi:10.1039/b906634a
pmid:19809703
fatcat:7jityctcfree5cma4l7h7gs32i