Soil great group

Hapludert

Of the Udert 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 orderVertisolSoil very clayey, with clays that swell when wet and contract when dry: when dry it opens wide and deep cracks, and when wet the layers slide against each other leaving slickensides.
SuborderUdertVertisol humid climate: cracks open for a short time each year.
Great groupHapludertWithin the Udert 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

Fertile and with a lot of water retained, but difficult: they become waterlogged, when wet they become sticky and difficult to work with, and when dry they crack. They ask for tillage at the right time. They are the typical soil of much of Entre Ríos.

Most common surface texture
Clay loam
Most common drainage
Moderately good
Typical effective depth
70 cm

Where it is found

According to the 1:500.000 national map, it covers about 315.442 ha, spread over 5 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
Corrientes315.442 ha

Districts where it is most common

It also appears on the detailed maps of: Buenos Aires, Corrientes.

How productive it is

Where it is the main soil of the map unit, the productivity index has a median of 30 (low); half of the units fall between 30 and 30.

Land capability

IV
V

class III: 7% · class IV: 50% · class V: 43%

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

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

Don Deolindo · Aguay Rincon I · ?apinda I · Don Luis · Ba?adero · Buena Vista · La Esperanza · Miri?ay

Buenos Aires

El Gavilan · Claudio Molina · Pinamar · La Laguna

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