- humus content of soil
- Химическое оружие: гумусное состояние почвы
Универсальный англо-русский словарь. Академик.ру. 2011.
humus content of soil
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Humus — (Origin: 1790–1800; < Latin : earth, ground [ humus. Dictionary.com Unabridged (v 1.1). Random House, Inc. 23 Sep. 2008. .] ) is the organic material in soil lending it a dark brown or black colouration. In soil science, humus refers to any… … Wikipedia
Soil carbon — is the generic name for carbon held within the soil, primarily in association with its organic content. This discussion begins with a brief introduction to soil carbon, its function within the soil, influences on soil carbon, and finally the… … 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
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
Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… … Wikipedia
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 life — or soil biota is a collective term for all the organisms living within the soil.OverviewIn a balanced soil, plants grow in an active and vibrant environment. The mineral content of the soil and its physical structure are important for their well… … Wikipedia
Jackson-Sherman soil weathering stages — ▪ Table Jackson Sherman soil weathering stages characteristic minerals in soil clay fraction characteristic chemical and physical conditions of soil characteristic soil profile features early stage gypsum,… … Universalium
desert soil — noun A soil variety typically found in arid climates, usually with little leaching and minimal humus content. Referred to as an aridisol in the nomenclature of the United States Department of Agricultures Natural Resources Conservation Service … Wiktionary
Dutch standards — are environmental pollutant reference values (i.e., concentrations in environmental medium) used in environmental remediation, investigation and cleanup.[1] Barring a few exceptions, the target values are underpinned by an environmental risk… … Wikipedia
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
