humus carbonate soil

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• 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

• 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

• Alkali soil — Any one of various soils found in arid and semiarid regions, containing an unusual amount of soluble mineral salts which effloresce in the form of a powder or crust (usually white) in dry weather following rains or irrigation. The basis of these… …   The Collaborative International Dictionary of English

• FAO Soil Classification System — ▪ Table Soil classification system of the Food and Agriculture Organization   soil group  abbrevi ation defining  characteristics name derivation percent of Earth s land area See as table: Soils defined by parent material   Andosol AN volcanic… …   Universalium

• Rendzina — is a dark, grayish brown, humus rich soil. It is one of the soils most closely associated with the bedrock type and an example of initial stages of soil development. It is usually formed by weathering of soft rock types: usually carbonate rocks… …   Wikipedia

• Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …   Universalium

• Innokenti Petrowitsch Gerassimow — (russisch Иннокентий Петрович Герасимов; * 26. Novemberjul./ 9. Dezember 1905greg. in Kostroma; † 30. März 1985) war ein sowjetischer Geograph und Bodenkundler. Inhaltsverzeichnis 1 Studium und akademische Laufbahn …   Deutsch Wikipedia

• Udmurtiya — ▪ republic, Russia       republic in west central Russia. It lies partly in the basin of the middle Kama River, which flows along part of its southeastern boundary. The larger part of Udmurtiya lies in the drainage area of the Cheptsa and Kilmez… …   Universalium

• chernozem —   soil type often found in continental interiors with a temperate grassland biome type. Thick grass provides for rich black humus which is extended into the A horizon by fauna during warm summers. Wet spring and early summer leads to leaching.… …   Geography glossary

• Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …   Universalium

• Europe — /yoor euhp, yerr / for 1; /yoo roh pee, yeuh / for 2, n. 1. a continent in the W part of the landmass lying between the Atlantic and Pacific oceans, separated from Asia by the Ural Mountains on the E and the Caucasus Mountains and the Black and… …   Universalium