Ustox

Ustox

[′üst‚äks]
(geology)
A suborder of the soil order Oxisol that is low to moderate in organic matter, well drained, and dry for at least 90 cumulative days each year.
References in periodicals archive ?
The soil used was a Latossolo Vermelho Distroferrico or an Ustox (American Classification Soil Taxonomy) with the following attributes: organic matter content - 60,31 g.
The soil was an Oxisol Ustox (USDA, 1999) or according to the Brazilian System of Soil Classification 'Latossolo Amarelo distrofico' (EMBRAPA, 2006) with 172, 754 and 74 g [kg.
A water retention curve for a Brazil Ustox (Bui et al.
The dominant suborders of Oxisols are Aquox, Torrox, Udox, and Ustox (Table 3-5).