Measure the height of the layers of sand, silt and clay, and figure the percentage of each. A healthy garden soil should be ...

Soils are composed of a mixture of sand, silt, clay and organic matter ... The proportion of acids and bases on the CEC is called the percent base saturation and can be calculated as follows: ...

Some loam soils may have a higher percentage of sand, while others may have more silt or clay content. Sandy loam This type of soil contains 27 to 40 percent clay and less than 20 percent sand.

A bare surface with a moisture content of only a few percent is very difficult ... dense vegetation, more sand movement, and increases in the amount of silt and clay released to the atmosphere ...