semiarid 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 — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

• Canadian system of soil classification — The Canadian system of soil classification is more closely related to the American system than any other. They differ in several ways. The Canadian system is designed to cover only Canadian soils. The Canadian system dispenses with a sub order… …   Wikipedia

• 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

• Orovada (soil) — Orovada series soils are extensive in northern Nevada, where they have an extent of more than 360,000,000 acres (150,000,000 ha) in the Great Basin. They are common soils on semiarid rangeland with sagebrush grassland plant communities. Orovada… …   Wikipedia

• brown soil — noun : any of a zonal group of soils developed in a temperate to cool semiarid climate under short grass, bunch grass, and shrubs and having a brown surface horizon that grades into a layer of carbonate accumulation by way of a layer of lighter… …   Useful english dictionary

• reddish chestnut soil — noun : any of a group of zonal soils developed under mixed grass with some shrubs in a warm temperate semiarid climate that have dark brown surface soils tinted pinkish or reddish and up to 2 feet thick underlain by heavier reddish brown soil on… …   Useful english dictionary

• chestnut soil — noun : any of an agriculturally important group of zonal soils typically having a dark brown surface horizon that grades downward into a lighter zone and then into a horizon of lime accumulation and being characteristic of certain cool semiarid… …   Useful english dictionary

• Ringloser Butterpilz — (Suillus collinitus) Systematik Unterklasse: Hutpilze (Agaricomycetidae) …   Deutsch Wikipedia

• Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …   Wikipedia

• Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium