The loam is a type of ground less made up than 52% of Sable, 28 to 50% of silt and 7 to 27% of Argile. According to the proportions, one will speak about sandy, muddy or argillaceous loam.

The loam is ideal for agriculture because it is at the same time draining and preserves moisture well. It contains generally more Nutriment S that the sandy grounds. Of plastic texture when it is wet, it is easy to work.

Construction material