Ustalf

Ustalf

[′üst‚älf]
(geology)
A suborder of the soil order Alfisol; red or brown soil formed in a ustic moisture regime and in a mesic or warmer temperature regime.
References in periodicals archive ?
Estas caracteristicas ubican el suelo en el orden Alfisol y el suborden Ustalf.
Due to the effect of the dry season on soil moisture (see below), this soil can be classified as Ustalf.