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factor of soil formation

См. также в других словарях:

  • 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 mechanics — is a discipline that applies principles of engineering mechanics, e.g. kinematics, dynamics, fluid mechanics, and mechanics of material, to predict the mechanical behavior of soils. Together with Rock mechanics, it is the basis for solving many… …   Wikipedia

  • Soil ecology — is the study of the interactions among soil organisms, and between biotic and abiotic aspects of the soil environment. [Access Science: [http://www.accessscience.com/Encyclopedia/6/63/Est 631825 frameset.html?doi Soil Ecology] . Url last accessed …   Wikipedia

  • Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

  • Soil biodiversity — This discussion looks at the relationship of the soil to biodiversity, at some aspects of the soil that can be managed in relation to biodiversity, and raises some catchment management considerations.oil and biodiversityBiodiversity is “the… …   Wikipedia

  • History of Soil Science — Justus von Liebig = The early concepts of soil were based on ideas developed by a German chemist, Justus von Liebig (1803 – 1873), and modified and refined by agricultural scientists who worked on samples of soil in laboratories, greenhouses, and …   Wikipedia

  • Nod factor — The structure of nod factor from Sinorhizobium meliloti. Nodulation (Nod) factors are signaling molecules produced by bacteria known as rhizobia during the initiation of nodules on the root of legumes. A symbiosis is formed when legumes take up… …   Wikipedia

  • Anthropocene — Holocene Epoch This box: view · talk · edit ↑ Pleistocene …   Wikipedia

  • факторы почвообразования — Элементы природной среды, под влиянием которых образуется почва. Представление о факторах почвообразования создано В.В.Докучаевым. Им выделено пять Ф.п. почвообразующие породы, живые и отмершие организмы, климат, возраст страны и рельеф местности …   Справочник технического переводчика

  • 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

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