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- The lower depth boundary and thickness of the spodic horizon were significantly greater (p = 0.001) in soils with ortstein than in those without ortstein.
acsess.onlinelibrary.wiley.com/doi/abs/10.2136/sssaj2010.0214Distribution and Genesis of Ortstein and Placic Horizons in ...
In some, the gray (albic horizon) may be absent; in others, it may be more than 2 m thick over a spodic horizon; furthermore, in some the spodic horizon may be cemented and is then called ‘ortstein.’
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The podzolization process. A review. U.S LundströmN van...
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Subsoil (soil below the common tillage depth, > 30 cm)...
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May 1, 2011 · The lower boundary of the spodic horizon and the thickness of the spodic horizon were significantly greater in soils with ≥50% ortstein. However, there were no significant differences between the upper or lower boundaries or the thickness of ortstein for soils with ≥50 and <50% ortstein.
- James Bockheim
- 19
- 2011
- 01 May 2011
May 1, 2011 · Soils with ortstein occur on lesser slopes (p = 0.001) and at lower elevations (p = 0.015) than soils without ortstein. The lower depth boundary and thickness of the spodic horizon were significantly greater (p = 0.001) in soils with ortstein than in those without ortstein.
- James Bockheim
- 2011
Spodic horizons, which also contain complexes of sesquioxides and organic substances, can have similar characteristics to andic horizons rich in alumino-organic complexes. Sometimes only analytical tests can discriminate between the two. Spodic horizons have at least twice as much Al ox + ½Feox than an overlying umbric, ochric or albic horizon .
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- ACKNOWLEDGMENTS
- Soil series
- Placudands
- Typic Placudands
Th is project was supported by grants from the National Science Foundation and the Huron Mountain Wildlife Foundation. Th e author acknowledges the helpful comments of three anonymous reviewers and the associate editor.
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Success, Constable, Duane, Bandon, Battydoe, Furlong, Guard Lake, Kaleva, Kalkaska, Colton, Redstone Blue Lake, Island Lake Cheboygan, Keweenaw Duel, East Lake, Hartwick, Ishpeming, Ocqueoc Flackville, Waumbek Occur Kahanui Salmonriver
Jan 15, 2018 · Pore size distribution (PSD) and strength of cemented ortstein horizons affect soil transport properties and plant growth but they are scarcely understood. The aim of this study was to quantify the PSD and tensile strength of ortstein and overlying horizons in two podzolic soils under forest.
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Jan 1, 2014 · Ortstein (German: ort-place, stein-stone) is defined by Soil Survey Staff as all or part of the spodic horizon, when moist, it is at least weakly cemented into a massive horizon that is present in more than half of each pedon.
