Soil great group
Distrocrept
Of the Ocrept suborder; it has low base saturation: it is acidic.
Distrocrept 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 Distrudept.
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 | Inceptisol | Soil young, with some development below the surface (a cambic horizon) but without the clay accumulation or dark surface that would define other orders. |
|---|---|---|
| Suborder | Ocrept | Inceptisol with a clear surface and poor in organic matter (ochric epipedon). |
| Great group | Distrocrept | Within the Ocrept suborder, it has low base saturation: it is acidic. |
What it means for farming
Intermediate aptitude and very dependent on location. In Argentina there are many Acueptes: Inceptisoles with excess water, often saline or sodic.
- Typical effective depth
- 400 cm
Where it is found
According to the 1:500.000 national map, it covers about 140.800 ha, spread over 9 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 |
|---|---|
| Corrientes | 61.264 ha |
| Misiones | 50.929 ha |
| Río Negro | 28.606 ha |
Districts where it is most common
Subgroups on the maps
- Distrocrept lítico
- Distrocrept fluvéntico
- Distrocrept úmbrico
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)