saline-sodic soil

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Soil that contains more than 15 per cent exchangeable sodium, a saturation extract with a conductivity of more than 0.4 siemens per metre (4 mmhos/cm) (25°C) and in the saturated soil usually has a pH of 8.5 or less. Either high concentration of salts or high pH, or both, interfere with the growth of most plants.

Subjects: Plant Sciences and Forestry.

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