A fragipan is a diagnostic horizon in USDA soil taxonomy. They are altered subsurface soil layers that restrict water flow and root penetration. Fragipans...
6 KB (814 words) - 12:28, 26 May 2024
plinthite—no restriction. w: Development of colour or structure—B horizons. x: Fragipan characteristics—no restriction. y: Pedogenic accumulation of gypsum—no...
48 KB (6,503 words) - 23:20, 20 October 2024
histic epipedon, or with an exchangeable sodium percentage of >15% or fragipan; 9.9% of global & 9.1% of U.S. ice-free land. Mollisols: Must have mollic...
18 KB (2,126 words) - 08:19, 26 October 2024
is cemented by illuvial silica into a subsurface hardpan. Similar to a fragipan, Petrocalcic Horizon and petrogypsic horizon, it is firmly cemented and...
4 KB (664 words) - 13:51, 25 November 2023
and / or intractable the hardpan is. Caliche Claypan Duricrust Duripan Fragipan Forestiere Underground Gardens "Resounding Soils" (Web). Auburn University...
5 KB (631 words) - 20:17, 17 February 2024
(born 1994), American singer-songwriter known professionally as Halsey Fragipan, a type of layer in soil Fragapane, a surname House of Frankopan (Italian:...
2 KB (257 words) - 16:44, 14 July 2024
with a thick mantle of volcanic ash. These soils are moderately deep to a fragipan. The name “Threebear” is derived from a creek in Latah County, Idaho. These...
1 KB (129 words) - 23:08, 10 June 2022
due to earthquakes could provide a dense parent material in which the fragipan may develop through pedogenesis. Mitigation methods have been devised by...
30 KB (3,641 words) - 17:20, 29 July 2024
of 25% or less, mockernut hickory grows on poorly drained loams with a fragipan. In the central and southern Appalachians on slopes 25% or less, mockernut...
36 KB (4,787 words) - 15:32, 1 July 2024
flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...
25 KB (2,090 words) - 01:01, 19 October 2024
flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...
17 KB (1,581 words) - 11:37, 12 September 2024
flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...
67 KB (6,539 words) - 11:40, 14 July 2024
carbonates. USDA soil taxonomy World Reference Base for Soil Resources Duripan Fragipan Hardpan https://web.archive.org/web/20070610013420/https://www.soils.org/sssagloss/...
3 KB (437 words) - 04:32, 20 June 2024
oak (Quercus montana) and Virginia pine (Pinus virginiana). In swampy fragipan flats, woodlands consist of willow oak (Quercus phellos), overcup oak (Quercus...
23 KB (2,452 words) - 02:17, 9 September 2024
gravelly silt loam, which is somewhat poorly drained due to a subsoil fragipan. The Oquaga tends to be very strongly acidic (pH 4.8), Morris is strongly...
86 KB (9,059 words) - 05:48, 2 August 2023
flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie. They were generally bounded by...
30 KB (3,807 words) - 18:23, 8 August 2024
(argillic) horizon, or above some other dense subsoil horizon (e.g., duripan, fragipan, etc.) or bedrock – all of which generally function as aquitards or aquicludes...
25 KB (3,228 words) - 18:23, 6 February 2024
Hardcastle looks at the Timaru loess: Climatic signals are observed, and fragipans. Quaternary International https://dx.doi.org/10.1016/j.quaint.2014.06...
4 KB (444 words) - 08:43, 5 January 2024