Tier 4 | -76- | -77- | -78- | -79- | -80- | -81- | -82- | -83- | -84- | -85- | -86- | -87- | -88- | -89- | -90- | -91- | -92- | -93- | -94- | -95- | -96- | -97- | -98- |
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| (- - - - - - - - - - - - - - - - - - - Weight Fractions - Clay Free - - - - - - - - - - - - - - - - - -) | | Text | PSDA (mm) | pH | Elect. | Part- |
| (--------------- Whole Soil ---------------) | (------------------- <2 mm Fraction -------------------) | | -ure | Sand | Silt | Clay | Ca | Res- | Con- | -icle |
| >2 | 75 | 20 | 2- | .05- | < | (------------- Sands -------------) | (--- Silts ---) | Cl | | by | 2- | .05- | < | Cl2 | ist. | duct | Den- |
| Depth | | | -20 | -2 | .05 | .002 | .002 | VC | C | M | F | VF | C | F | ay | | PSDA | .05 | .002 | .002 | .01M | ohms | dS m-1 | sity |
Layer | (cm) | Horz | Prep | (- % of >2 mm Sand and Silt -) | (------------------% of Sand and Silt -------------) | | <2 mm | (---- % of 2 mm ----) | (-------- <2 mm --------) | g cm-3 |
| | | | | | | | | | | | | | | | | | | | | | 3A1 | | | 4F2 | |
|
NDSU1998 | 0-15 | A | S | | | | | | | | | | | | | | | | cl | 36.2 | 33.6 | 44.9 | | | 0.27 | |
NDSU2000 | 30-45 | A | S | | | | | | | | | | | | | | | | c | 36.2 | 29.9 | 30.2 | | | 0.47 | |
NDSU1999 | 15-30 | A | S | | | | | | | | | | | | | | | | cl | 25.2 | 33.6 | 30.2 | | | 0.81 | |
NDSU2002 | 60-75 | AB | S | | | | | | | | | | | | | | | | c | 25.2 | 29.9 | 44.9 | | | 0.17 | |
NDSU2001 | 45-60 | AB | S | | | | | | | | | | | | | | | | c | 25.2 | 29.9 | 44.9 | | | 0.19 | |
NDSU2003 | 75-90 | Bt1 | S | | | | | | | | | | | | | | | | cl | 40.0 | 21.8 | 38.2 | | | 0.18 | |