Soil subgroup
Cambortid lítico
It has continuous rock (lithic contact) within 50 cm: it is a shallow soil.
Cambortid 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 Haplocambid.
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 | Cambortid | Within the Ortid suborder, it has only one cambic horizon: incipient development, no accumulations. |
| Subgroup | lítico | It has continuous rock (lithic contact) within 50 cm: it is a shallow soil. |
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
- Loamy sand
- Most common drainage
- Well drained
- Typical effective depth
- 30 cm
Where it is found
According to the 1:500.000 national map, it covers about 760.603 ha, spread over 13 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 |
|---|---|
| Río Negro | 495.641 ha |
| Chubut | 182.193 ha |
| Jujuy | 65.748 ha |
| Salta | 17.021 ha |
Districts where it is most common
How productive it is
Where it is the main soil of the map unit, the productivity index has a median of 7 (very low); half of the units fall between 7 and 7.
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 Cambortid 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)