Soil subgroup
Medifibrist hídrico
It has layers of water or very fluid material within the profile.
Medifibrist is a name from the 1975 taxonomy, which many INTA soil survey maps were made with. The current edition no longer has this group: today it would be classified as Haplofibrist.
What the name says
Soil Taxonomy names are built from parts, and each part says something about the soil. From general to specific:
| Taxonomic order | Histosol | Soil organic: peat or plant material accumulated where water does not allow it to decompose. More than half of the top profile is organic matter. |
|---|---|---|
| Suborder | Fibrist | Histosol of slightly decomposed plant material: the fibers are recognized. |
| Great group | Medifibrist | Within the Fibrist suborder, it It is a temperate climate. |
| Subgroup | hídrico | It has layers of water or very fluid material within the profile. |
What it means for farming
Peatlands and wet meadows. They have no agricultural use; they have value as a reserve of water and carbon.
Where it is found
According to the 1:500.000 national map, it covers about 34.943 ha, spread over 8 districts.
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National map units that list it. The scale is 1:500.000: good for seeing the region, not a single property.
| Province | Area |
|---|---|
| Jujuy | 19.065 ha |
| Salta | 12.078 ha |
| Catamarca | 3.800 ha |
Districts where it is most common
Soils it shares map units with
Several soils share each map unit. These are the ones most often found alongside this one: on a property, you will likely find them in the nearby low ground or on the next rise.
The definitions are a plain-language summary of the USDA Keys to Soil Taxonomy. The formal definition includes thickness, color and percentage thresholds that are left out here.
Sources
- Soil Survey Staff. (2014). Claves para la Taxonomía de Suelos, 12.ª edición. USDA - Natural Resources Conservation Service. · Dominio público (USDA)
- INTA · Dominio público (carta 1:500.000)