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EARTH SCIENCE > AGRICULTURE > SOILS > CARBON
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EARTH SCIENCE > AGRICULTURE > SOILS > MICROFLORA
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EARTH SCIENCE > AGRICULTURE > SOILS > PERMAFROST
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EARTH SCIENCE > AGRICULTURE > SOILS > SOIL CHEMISTRY
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EARTH SCIENCE > AGRICULTURE > SOILS > SOIL GAS/AIR
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EARTH SCIENCE > AGRICULTURE > SOILS > SOIL PH
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EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOGEOCHEMICAL CYCLES
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EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > BIOMASS DYNAMICS
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FIELD SURVEY
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IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > CARBON ANALYZERS
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IN SITU/LABORATORY INSTRUMENTS > CORERS > CORING DEVICES
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IN SITU/LABORATORY INSTRUMENTS > SPECTROMETERS/RADIOMETERS > MASS SPECTROMETERS
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MANNED FIELD STATION
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POINT
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UNKNOWN
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biota
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environment
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society
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