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• Soil structure — is determined by how individual soil granules clump or bind together and aggregate, and therefore, the arrangement of soil pores between them. Soil structure has a major influence on water and air movement, biological activity, root growth and… …   Wikipedia

• Soil science — is the study of soil as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and… …   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 survey — Soil survey, or soil mapping, is the process of classifying soil types and other soil properties in a given area and geo encoding such information. It applies the principles of soil science, and draws heavily from geomorphology, theories of soil… …   Wikipedia

• Soil health — is an assessment of ability of a soil to meet its range of ecosystem functions as appropriate to its environment. Aspects of soil health The term soil health is used to assess the ability of a soil to: *Sustain plant and animal productivity and… …   Wikipedia

• Soil & "Pimp" Sessions — is an energetic Japanese club jazz band that have started to receive international recognition. The band consists of six members: Shacho ( agitator ), Tabu Zombie (trumpet), Motoharu (sax), Josei (keyboards), Akita Goldman (double bass) and… …   Wikipedia

• Soil gradation — describes the sizes of individual particles in soil. A sieve analysis and a hydrometer analysis are used to determine soil gradation. The gradation of a soil can be assessed by the values of the coefficient of uniformity and of the coefficient of …   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

• 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

• Night soil — 18th century London nightman s calling card Night soil is a euphemism for human excrement collected at night from cesspools, privies, etc. and sometimes used as a fertilizer.[1] Night soil is produced as a result of a waste management system in… …   Wikipedia

• National Cooperative Soil Survey — From a Report of Bureau of Soils, U.S. Department of Agriculture, 1923. The National Cooperative Soil Survey (NCSS) in the United States is a nation wide partnership of federal, regional, state, and local agencies and institutions. This… …   Wikipedia