Soil great group

Psamacuent

Of the Acuent suborder; it it's sandy.

What the name says

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

Taxonomic orderEntisolSoil without diagnostic horizons, or almost: recently deposited material (sand, alluvium) or on which the climate did not have time to act.
SuborderAcuentEntisol with excess water: saturated near the surface, with redox depletions.
Great groupPsamacuentWithin the Acuent suborder, it it's sandy.

What it means for farming

Very variable. The sandy ones (Psamentes) retain little water and blow away; alluvial ones (Fluventes) can be good but they flood; the shallow ones on rock (lithic) are barely useful for grazing.

Most common surface texture
Sandy loam
Most common drainage
Imperfect to moderate
Typical effective depth
60 cm

Where it is found

According to the 1:500.000 national map, it covers about 863.048 ha, spread over 22 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
Corrientes676.415 ha
Chubut164.107 ha
Catamarca21.153 ha
Salta1.374 ha

Districts where it is most common

It also appears on the detailed maps of: Entre Ríos.

How productive it is

Where it is the main soil of the map unit, the productivity index has a median of 24 (low); half of the units fall between 23 and 24.

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.

Subgroups on the maps

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