Abstract
The compactability of normal and saline–alkali samples of Hatton loam, Haverhill loam, Sceptre clay, and Sceptre heavy clay was determined in the laboratory. Their soluble salt and organic matter contents were related to aggregation of soil particles. Well-aggregated samples resisted compaction and maintained a larger volume of pore space when subjected to vertical loads.In saline–alkali soils the liquid and plastic limits were lower, less water was held at the [Formula: see text] and 15 atm tensions, and the hydraulic conductivity was substantially less than that of normal soils. Resistance of a soil to compaction and dispersion was influenced strongly by its aggregation, organic matter, and soluble salt content.
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