soil aeration

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• Aeration — is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.Methods of aeration of liquidsAeration of liquids (usually water) is achieved by: * passing the liquid through air by means of fountains, cascades …   Wikipedia

• Soil food web — The soil food web is the community of organisms living all or part of their lives in the soil. It describes a complex living system in the soil and how it interacts with the environment, plants, and animals. Introduction Food webs describe the… …   Wikipedia

• Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… …   Wikipedia

• Aeration — aer*a tion, Aeration A [ e]r*a tion, n. [Cf. F. a[ e]ration.] 1. Exposure to the free action of the air; airing; as, a[ e]ration of soil, of spawn, etc. [1913 Webster] 2. (Physiol.) A change produced in the blood by exposure to the air in… …   The Collaborative International Dictionary of English

• aeration — aer*a tion, Aeration A [ e]r*a tion, n. [Cf. F. a[ e]ration.] 1. Exposure to the free action of the air; airing; as, a[ e]ration of soil, of spawn, etc. [1913 Webster] 2. (Physiol.) A change produced in the blood by exposure to the air in… …   The Collaborative International Dictionary of English

• 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 — 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 contamination — Excavation showing soil contamination at a disused gasworks. Soil contamination or soil pollution is caused by the presence of xenobiotic (human made) chemicals or other alteration in the natural soil environment. This type of contamination… …   Wikipedia

• soil organism — ▪ biology  any organism inhabiting the soil during part or all of its life. Soil organisms, which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms, play an… …   Universalium

• Soil type — In terms of soil texture, soil type usually refers to the different sizes of mineral particles in a particular sample. Soil is made up in part of finely ground rock particles, grouped according to size as sand,and clay. Each size plays a… …   Wikipedia

• aeration — noun 1. the process of exposing to air (so as to purify) (Freq. 5) the aeration of the soil • Derivationally related forms: ↑aerate • Hypernyms: ↑natural process, ↑natural action, ↑action, ↑ …   Useful english dictionary