Clayey

Clayey soils swell when moist and are slowly permeable.

Ecoregions of Utah (EPA) 2009

The Clayey, High Lime Till Plains ecoregion is transitional between the Loamy, High Lime Till Plains (55b) and the Maumee Lake Plains (57a); soils are less productive and more artificially drained than Ecoregion 55b and supported fewer swampy areas than Ecoregion 57a.

Ecoregions of Indiana and Ohio (EPA) 2008

Clayey mud used for plastering and as mortar. rikatla.

Where Women Make History: Gendered Tellings of Community and Change in Magude, Mozambique 2005

Clayey soils are thus the most suitable for adobe manufacture, but it is important to select those clays which are not generally expansive.

3. Innovative technologies related to the increased utilization of low-energy building materials 1995

Clayey soils also hold water more tightly than sandy soils because the smaller pores provide more soil surface area per volume of water (Box 10.1).

5. How plants live and grow 1991

Clayey soils have poor drainage and are hard when dry, and sticky when wet, making them difficult to work.

5. How plants live and grow 1991

Clayey soils tend to resist penetration and to stick to the knife when pulled out.

Chapter 4 1988

Clayey soils with up to 18 per cent moisture content can be crushed satisfactorily in the machine.

Chapter 6 1987

Clayey materials can be readily identified by simple manipulation of moist samples with a view to checking the plasticity of the latter.

Chapter 5 1984

Clayey soils, especially those low in humus, are usually in a cloddier condition after plowing than loamy or sandy ones.

Chapter 8 1981