SOIL MAPPING RELIABLE FERTILIZER MAPS EAR MAINFOLDS CALIBRATION KRIGING GEOSTATISTICS WAVELETS APPROXIMATION PRECISION AGRICULTURE P-ELEMENTS STATISTICAL ANALYSIS SITE-SPECIFIC MANAGEMENT SOIL FERTILITY MANY-VALUED LOGIC SHAPE FUNCTIONS KRIGING WITH EXTERNAL DRIFT FINITE ELEMENT P-ELEMENT SOIL SAMPLING HIERARCHICAL ELEMENT PRESCRIPTION MAPS DATABASES SPLINES RAINFALL-RUNOFF MODELS P-VERSION DIGITAL SOIL MAPPING PROPOSITIONAL QUANTIFIERS AZIMUTH PRINCIPAL COMPONENT ANALYSIS