soil horizon

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• Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath …   Wikipedia

• soil horizon — dirvožemio horizontas statusas T sritis ekologija ir aplinkotyra apibrėžtis Dėl dirvodaros procesų susidaręs dirvodarinės uolienos sluoksnis. Yra organinis horizontas (pačiame dirvožemio paviršiuje), paviršinis mineralinis horizontas, podirvio… …   Ekologijos terminų aiškinamasis žodynas

• Soil Horizon letter designations — ▪ Table Soil horizon letter designations See as table: Base symbols for surface horizons O organic horizon containing litter and decomposed organic matter A mineral horizon darkened by humus accumulation       Base symbols for subsurface horizons …   Universalium

• soil horizon — noun a layer in a soil profile • Hypernyms: ↑horizon • Instance Hyponyms: ↑A horizon, ↑A horizon, ↑B horizon, ↑B horizon, ↑C horizon, ↑C horizon …   Useful english dictionary

• soil horizon — /ˈsɔɪl həraɪzən/ (say soyl huhruyzuhn) noun one of the series of distinct layers found in a vertical cross section of any well developed soil, grouped primarily into O, A, B, and C horizons. See O horizon, A horizon, B horizon, C horizon …  

• Horizon (disambiguation) — Horizon is the line at which the sky and the earth s surface appear to meet.Horizon or horizons may also refer to:Business* Horizon Global, a corporation specializing in media compression technology, peer to peer video telephony, and video on… …   Wikipedia

• Soil morphology — is the field observable attributes of the soil within the various soil horizons and the description of the kind and arrangement of the horizons. [cite book | last = Buol | first = Stanley W. | authorlink = | coauthors = Southard, Randal J.,… …   Wikipedia

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

• horizon — /həˈraɪzən / (say huh ruyzuhn) noun 1. the line or circle which forms the apparent boundary between earth and sky (apparent horizon or visible horizon). 2. Astronomy a. the plane which is tangent to the earth at the place of the observer and… …  

• SOIL TAXONOMY (U.S.D.A.) — SOIL TAXONOMY u.s.d.a. La «Soil Taxonomy» du ministère de l’Agriculture des États Unis (Agric. hand b., 436, Washington, 1975) est, comme son nom l’indique, une taxonomie pédologique dont les ordres, rangés alphabétiquement, comportent dix… …   Encyclopédie Universelle

• horizon — [hə rī′zən] n. [altered (after L) < ME orizont < OFr orizonte < L horizon < Gr horizōn (kyklos), the bounding (circle), horizon < prp. of horizein, to bound, limit < horos, boundary, limit, akin to L urvus, city boundary, orig …   English World dictionary