Alkali soil
Soil type with pH > 8.5
Alkali or alkaline soils are clay soils with high pH (generally greater than 8.5), often accompanied by poor soil structure and low infiltration capacity. They frequently have a hard calcareous layer 0.5 to 1 metre (1.6 to 3.3 ft) beneath the surface.
Nº Q1189711 ★
Common · Knowledge
Alkali soil
Soil type with pH > 8.5
Alkali or alkaline soils are clay soils with high pH (generally greater than 8.5), often accompanied by poor soil structure and low infiltration capacity. They frequently have a hard calcareous layer 0.5 to 1 metre (1.6 to 3.3 ft) beneath the surface.
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From Wikipedia
Alkali or alkaline soils are clay soils with high pH (generally greater than 8.5), often accompanied by poor soil structure and low infiltration capacity. They frequently have a hard calcareous layer 0.5 to 1 metre (1.6 to 3.3 ft) beneath the surface. Alkali soils owe their unfavorable physico-chemical properties mainly to the dominating presence of sodium carbonate, which causes the soil to swell and makes it difficult to clarify/settle. They derive their name from the alkali metal group of elements, to which sodium belongs, and which can induce basicity. Sometimes these soils are also referred to as alkaline sodic soils.
Text: Wikipédia, CC BY-SA 4.0. · Image: Unknown authorUnknown author (Public domain) ·
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