Solonetz (Солонець, p=səlɐˈnʲets) is a type of soil in FAO soil classification. They have, within the upper 100 cm of the soil profile, a so-called `natric horizon` (`natrium` is the Latin term for sodium). There is a subsurface horizon (subsoil), higher in clay content than the upper horizon, that has more than 15% exchangeable so...
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http://en.wikipedia.org/wiki/Solonetz
one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Solonetz soils are defined by an accumulation ... [1 related articles]
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http://www.britannica.com/eb/a-z/s/123
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