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FIELD SURVEYS > SOIL DEPTH PROBE
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LABORATORY > BALANCE
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LAND SURFACE > FROZEN GROUND > ACTIVE LAYER
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LAND SURFACE > SOILS > CATION EXCHANGE CAPACITY
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LAND SURFACE > SOILS > ORGANIC MATTER
LAND SURFACE > SOILS > SOIL BULK DENSITY
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LAND SURFACE > SOILS > SOIL POROSITY
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LAND SURFACE > SOILS > SOIL TEXTURE
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SAR airborne measurements
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organic material
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root biomass
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soil dielectric constant profile
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soil pit
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