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Download Field book for describing and sampling soils by Schoeneberger, P., Wysocki D., Benham E. & Broderson, W. PDF

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By Schoeneberger, P., Wysocki D., Benham E. & Broderson, W. eds. Natural Resources Conservation Service, National Soil Survey Center, Lincoln, NE.

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Dark brown, 10YR 3/3. , moist. ) Moisture State Dry Moist Code D M (Soil) Matrix Color - Location or Condition - Record pertinent circumstances of the color described (called Color Physical State in NASIS). Color Location or Condition Code PDP NASIS COLOR LOCATION interior (within ped) 1 2 exterior (ped surface) COLOR, MECHANICAL CONDITION broken Face 8 crushed 3 9 rubbed (used only with Organic Matter) COLOR, REDOXIMORPHIC CONDITION oxidized 1 5 — reduced 2 COLOR, INTRICATE MULTICOLORED PATTERN variegated 3 — IN EX BF CR RU OX RE VA 1 Soil that is reduced in situ, but oxidizes (changes color) after extraction and exposure to air.

RMF are described separately from other color variations or concentrations. , variegated weathered rock) are still described under Soil Color. A Reduced Matrix is recorded as a RMF and as “reduced” in Soil Color - Location or Condition Described. REDOXIMORPHIC FEATURES Record Kind, Quantity (percent of area covered), Size, Contrast, Color, Moisture State, Shape, Location, Hardness, and Boundary. 5/1, FMM, M, S, MAT, w, s. , are recorded as ”relict RMF’s” (include horizons and depths) under Miscellaneous Field Notes.

Dark brown, 10YR 3/3. , moist. ) Moisture State Dry Moist Code D M (Soil) Matrix Color - Location or Condition - Record pertinent circumstances of the color described (called Color Physical State in NASIS). Color Location or Condition Code PDP NASIS COLOR LOCATION interior (within ped) 1 2 exterior (ped surface) COLOR, MECHANICAL CONDITION broken Face 8 crushed 3 9 rubbed (used only with Organic Matter) COLOR, REDOXIMORPHIC CONDITION oxidized 1 5 — reduced 2 COLOR, INTRICATE MULTICOLORED PATTERN variegated 3 — IN EX BF CR RU OX RE VA 1 Soil that is reduced in situ, but oxidizes (changes color) after extraction and exposure to air.

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