Farmer criteria

Scientific norms

Name of the soils (Hausa)

Texture

Color

Classification

Texture

Jigawa or Rérey

Sandy

Red, white or black

Not leached out ferrigineous soils

Sandy

Guéza ou Jigawa Hako

Superficially sandy, but compacted

Red, white or black

Leached out ferrigineous soils

Silty-clayish

Hako

Hard, very compacted

Red, brown

Eutrophic brown soils on clayish material

Silty-sandy

Laka

Less compacted than the hako

Red, brown

Hydromorphic soils to pseudo-clay

Clayish-silty-sandy