Soil subgroup

Albacualf aérico

Being a soil with excess water, the upper part is better aerated than in the typical one: fewer gray colors.

What the name says

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

Taxonomic orderAlfisolSoil with a clay accumulation horizon (argillic or natric) and good base saturation, but without the thick, dark surface of a Molisol.
SuborderAcualfAlfisol with excess water: saturated near the surface part of the year, with redox depletions.
Great groupAlbacualfWithin the Acualf suborder, it has a albic horizon (clear and washed) about a sudden change in texture.
SubgroupaéricoBeing a soil with excess water, the upper part is better aerated than in the typical one: fewer gray colors.

What it means for farming

Acceptable fertility, but the surface layer is thinner and poor in organic matter. In the Pampas region many Alfisoles are sodic or floodable (Natracualfes) and are left for livestock.

Where it is found

According to the 1:500.000 national map, it covers about 38.102 ha, spread over 1 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
Corrientes38.102 ha

Districts where it is most common

It also appears on the detailed maps of: Corrientes.

How productive it is

Land capability

V

class V: 100%

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 Albacualf subgroups

Soil series

Series are the specific soils, named after places, that detailed maps describe under this name. Two properties with the same series have the same soil.

Corrientes

Mariano I Loza

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