soil association
1. Group of soils forming a pattern of soil types characteristic of a geographical region.

2. Mapping unit used to denote the distribution of soil types where the scale of the map does not require or permit the identification of individual soils. See also SOIL COMPLEX.

soil association
1. A group of soils forming a pattern of soil types which are characteristic of a geographical region.

2. A mapping unit used to denote the distribution of soil types when the scale of the map does not require or permit the identification of individual soils. See also soil complex.