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CARBON (2)		SOIL FERTILITY (2)

DENITRIFICATION RATE (1)		SOIL GAS/AIR (1)

HYDRAULIC CONDUCTIVITY (2)		SOIL HEAT BUDGET (4)

MICRONUTRIENTS/TRACE ELEMENTS (1)		SOIL HORIZONS/PROFILE (3)

NITROGEN (1)		SOIL IMPEDANCE (1)

ORGANIC MATTER (4)		SOIL MECHANICS (2)

PERMAFROST (1)		SOIL MOISTURE/WATER CONTENT (18)

POTASSIUM (1)		SOIL PH (3)

RECLAMATION/REVEGETATION/RESTORATION (3)		SOIL PLASTICITY (1)

SOIL ABSORPTION (1)		SOIL POROSITY (2)

SOIL BULK DENSITY (3)		SOIL PRODUCTIVITY (2)

SOIL CHEMISTRY (4)		SOIL RESPIRATION (1)

SOIL CLASSIFICATION (7)		SOIL SALINITY/SOIL SODICITY (1)

SOIL COLOR (2)		SOIL STRUCTURE (5)

SOIL COMPACTION (1)		SOIL TEMPERATURE (20)

SOIL CONSISTENCE (1)		SOIL TEXTURE (6)

SOIL DEPTH (4)		SOIL WATER HOLDING CAPACITY (2)

SOIL EROSION (1)		THERMAL CONDUCTIVITY (1)

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