A fragipan is a diagnostic horizon in USDA soil taxonomy. They are altered subsurface soil layers that restrict water flow and root penetration. Fragipans...

plinthite—no restriction. w: Development of colour or structure—B horizons. x: Fragipan characteristics—no restriction. y: Pedogenic accumulation of gypsum—no...

and / or intractable the hardpan is. Caliche Claypan Duricrust Duripan Fragipan Forestiere Underground Gardens "Resounding Soils" (Web). Auburn University...

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...

is cemented by illuvial silica into a subsurface hardpan. Similar to a fragipan, Petrocalcic Horizon and petrogypsic horizon, it is firmly cemented and...

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...

due to earthquakes could provide a dense parent material in which the fragipan may develop through pedogenesis. Mitigation methods have been devised by...

(born 1994), American singer-songwriter known professionally as Halsey Fragipan, a type of layer in soil Fragapane, a surname House of Frankopan (Italian:...

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...

flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...

flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...

flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie, covered in prairie grasses and...

carbonates. USDA soil taxonomy World Reference Base for Soil Resources Duripan Fragipan Hardpan https://web.archive.org/web/20070610013420/https://www.soils.org/sssagloss/...

oak (Quercus montana) and Virginia pine (Pinus virginiana). In swampy fragipan flats, woodlands consist of willow oak (Quercus phellos), overcup oak (Quercus...

(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...

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...

flatter areas with slowly to very slowly permeable soils (often containing fragipans) supported Arkansas's largest prairie. They were generally bounded by...

Hardcastle looks at the Timaru loess: Climatic signals are observed, and fragipans. Quaternary International https://dx.doi.org/10.1016/j.quaint.2014.06...