Soil subgroup

Cuarzipsament típico

It is the central concept of the great group: it has its features and none that brings it closer to another 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 orderEntisolSoil without diagnostic horizons, or almost: recently deposited material (sand, alluvium) or on which the climate did not have time to act.
SuborderPsamentEntisol sandy throughout the profile: dunes, sand sheets.
Great groupCuarzipsamentWithin the Psament suborder, it It is almost pure quartz sand, without minerals that provide nutrients..
SubgrouptípicoIt is the central concept of the great group: it has its features and none that brings it closer to another group.

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
Well drained
Typical effective depth
120 cm

Where it is found

According to the 1:500.000 national map, it covers about 128.009 ha, spread over 4 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
Buenos Aires99.773 ha
Chaco28.236 ha

Districts where it is most common

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

How productive it is

Land capability

VI
VII
VIII

class VI: 22% · class VII: 67% · class VIII: 11%

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 Cuarzipsament 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.

Buenos Aires

Paraje Arenas Verdes · Argerich · Puerto Rosales · El Rincon · El Cortijo

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