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Saline-alkali soil
(i) A soil containing sufficient exchangeable sodium to interfere with the growth of most crop plants and containing appreciable quantities of soluble salts. The exchangeable-sodium percentage is >15, the conductivity of the saturation extract >4 dS m-1(at 25 °C), and the pH is usually 8. 5 or less in the saturated soil. (ii) A saline-alkali soil has a combination of harmful qualities of salts and either a high alkalinity or high content of exchangeable sodium, or both, so distributed in the profile that the growth of most crop plants is reduced.
- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Earth science
- Category: Soil science
- Company: Soil Science Society of America
- Product:
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