soil sequence

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• 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 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

• 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 series — purposes. A soil series name generally is derived from a town or landmark in or near the area where the soil series was first recognized.A soil series is a naturally occurring entity on the landscape. Therefore, a given series does not… …   Wikipedia

• soil group — one of a number of soil classes having the same kinds of horizons in the same sequence and under similar moisture and temperature regimes. [1920 25] * * * …   Universalium

• soil group — one of a number of soil classes having the same kinds of horizons in the same sequence and under similar moisture and temperature regimes. [1920 25] …   Useful english dictionary

• 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

• Natural Sequence Farming — An example of salinity, areas surrounding Dumbleyung Lake have become unsuitable for grazing. Natural Sequence Farming is a method of landscape regeneration devised by the Australian agricultural pioneer and environmental scientist , Peter… …   Wikipedia

• Late-May 2008 tornado outbreak sequence — A tornado in Kansas on May 22, 2008 Date of tornado outbreak: May 22–31, 2008 Duration1: 9 days Maximum rated t …   Wikipedia

• Patrick M.M.A. Bringmans — was born November 28, 1970 in Hasselt, Belgium to Albert and Elly Bringmans Jans. He is a Belgian archaeologist and paleoanthropologist whose main field of study has been the Palaeolithic period. Education Bringmans enrolled at the Katholieke… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium