Soil subgroup

Kandihumult 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 orderUltisolSoil very washed out by a warm and humid climate, with a clay accumulation horizon and low base saturation: acidic and poor in calcium and magnesium.
SuborderHumultUltisol with a lot of organic matter at depth.
Great groupKandihumultWithin the Humult suborder, it has a kandic horizon: accumulation of low activity clay, typical of soils very washed tropical.
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

Deep and well structured, but acidic and of low natural fertility. They are the soils reds of Misiones: grass, tea, forestry, and agriculture with liming and fertilization.

Most common surface texture
Clay
Most common drainage
Well drained
Typical effective depth
150 cm

Where it is found

According to the 1:500.000 national map, it covers about 349.895 ha, spread over 8 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
Corrientes245.351 ha
Misiones104.545 ha

Districts where it is most common

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