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sodic soil

См. также в других словарях:

  • sodic — /soh dik/, adj. pertaining to or containing sodium: sodic soil. [1855 60; SOD(IUM) + IC] * * * …   Universalium

  • Soil salinity — is the salt content in the soil. [ [http://europeandcis.undp.org/WaterWiki/index.php/Soil salinity from Soil salinity in WaterWiki, the on line Knowledge and Collaboration Tool of the Community of Practice (CoP) on Water and UNDP related… …   Wikipedia

  • 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 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

  • Australian Soil Classification — The Australian Soil Classification is the system used to describe and group soils in Australia. The system comprises a number of related documents produced by the Australian Collaborative Land Evaluation Program, a division of the CSIRO, and is… …   Wikipedia

  • Casa Grande (soil) — The Casa Grande is the official state soil of Arizona.Name and originThe Casa Grande series was first identified in 1936. It is named after the city of Casa Grande and the nearby Casa Grande National Monument, home of a large earthen building… …   Wikipedia

  • Alkali soils — Alkali, or alkaline, soils are clay soils with a relatively high exchangeable sodium percentage, a relative high pH (> 9), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1 m. depth (in… …   Wikipedia

  • Dispersion (geology) — Dispersion occurs when a soil is sodic. When a sodic soil is wetted the clay particles are forced apart. This is generally a major cause of erosion. Prevention of dispersion Preventing dispersion can be done by: re vegetating the area preventing… …   Wikipedia

  • Dispersion — may refer to: In physics: The dependence of wave velocity on frequency or wavelength: Dispersion (optics), for light waves Dispersion (water waves) Acoustic dispersion, for sound waves Dispersion relation, the mathematical description of… …   Wikipedia

  • Manibhai Desai — Manibhai Bhimbhai Desai (April 27, 1920 – 1993) was an Indian social activist and pioneer of rural development. Under the guidance of Mahatma Gandhi he settled in 1947 in the backward village of Uruli Kanchan near Pune, Maharashtra to begin a… …   Wikipedia

  • Salinity control — relates to controlling the problem of soil salinity and reclaiming salinized agricultural land. The aim of soil salinity control is to prevent soil degradation by salinization and reclaim already salty (saline) soils. Soil reclamation is also… …   Wikipedia

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