Soil subgroup
Salortid típico
It is the central concept of the great group: it has its features and none that brings it closer to another group.
Salortid 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 Salid.
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 | Aridisol | Soil arid climate: water is lacking most of the year and the profile accumulates what the rain cannot wash away (carbonates, gypsum, salts) or clay from more humid times. |
|---|---|---|
| Suborder | Ortid | Aridisol without clay horizon. |
| Great group | Salortid | Within the Ortid suborder, it has a salic horizon: accumulation of soluble salts. |
| Subgroup | típico | It is the central concept of the great group: it has its features and none that brings it closer to another group. |
What it means for farming
Without irrigation there is no agriculture: they are soils of native woodland, extensive grazing or, with water, irrigated oases (Mendoza, San Juan, the valleys of the NOA).
- Most common surface texture
- Sandy loam
- Most common drainage
- Imperfect
- Typical effective depth
- 100 cm
Where it is found
According to the 1:500.000 national map, it covers about 997.710 ha, spread over 34 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 |
|---|---|
| La Pampa | 333.456 ha |
| Mendoza | 230.257 ha |
| Río Negro | 112.295 ha |
| Córdoba | 104.104 ha |
| Buenos Aires | 102.940 ha |
| San Luis | 68.382 ha |
| Neuquén | 29.949 ha |
| San Juan | 14.483 ha |
| Santiago del Estero | 1.844 ha |
Districts where it is most common
- Limay Mahuida · La Pampa
- San Rafael · Mendoza
- General Roca · Río Negro
- Utracán · La Pampa
- La Paz · Mendoza
- Lavalle · Mendoza
- Villarino · Buenos Aires
- Puelén · La Pampa
- Patagones · Buenos Aires
- Juan Martín de Pueyrredón · San Luis
- Cruz del Eje · Córdoba
- Guaminí · Buenos Aires
- Minas · Córdoba
- Ischilín · Córdoba
- San Alberto · Córdoba
- Confluencia · Neuquén
- Sobremonte · Córdoba
- Hucal · La Pampa
- 25 de Mayo · San Juan
- Añelo · Neuquén
It also appears on the detailed maps of: Santiago del Estero.
How productive it is
Where it is the main soil of the map unit, the productivity index has a median of 3 (very low); half of the units fall between 3 and 3.
Taken from the maps that include this data. A map unit with several soils has a single index, and it is only attributed to the dominant soil.
Other Salortid subgroups
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)