Soil subgroup

Haplargid ácuico

Shows signs of saturation with water within the first meter (mottles, gray reduction colors): it has a temporary water table or waterlogging.

What the name says

Soil Taxonomy names are built from parts, and each part says something about the soil. From general to specific:

Taxonomic orderAridisolSoil 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.
SuborderArgidAridisol with a clay accumulation horizon, inherited from a more humid past climate.
Great groupHaplargidWithin the Argid suborder, it It is the simplest of the suborder: it does not have a clay horizon or any other feature that places it in a more specific group..
SubgroupácuicoShows signs of saturation with water within the first meter (mottles, gray reduction colors): it has a temporary water table or waterlogging.

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).

Where it is found

According to the 1:500.000 national map, it covers about 19.063 ha, spread over 6 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.

ProvinceArea
Jujuy9.634 ha
Catamarca8.180 ha
Córdoba1.249 ha

Districts where it is most common

Other Haplargid 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