Soil great group

Hapludox

Of the Udox 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..

What the name says

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

Taxonomic orderOxisolSoil extremely weathered tropical: there are almost no minerals left to provide nutrients and the clay is of low activity, rich in iron and aluminum oxides.
SuborderUdoxOxisol humid climate.
Great groupHapludoxWithin the Udox 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..

What it means for farming

Good physical structure but very low capacity to retain nutrients. In Argentina they appear only in the north of Misiones.

Where it is found

According to the 1:500.000 national map, it covers about 73.909 ha, spread over 3 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
Misiones73.909 ha

Districts where it is most common

It also appears on the detailed maps of: Misiones.

How productive it is

Where it is the main soil of the map unit, the productivity index has a median of 12 (very low); half of the units fall between 12 and 17.

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

  • Hapludox ródico

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.

Misiones

La Flor · Arroyo Guiray

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