Ultisol


Also found in: Wikipedia.

Ultisol

[′əl·tə‚sȯl]
(geology)
A soil order characterized by typically moist soils, with horizons of clay accumulation and a low supply of bases.
References in periodicals archive ?
The objective of the present study was to evaluate alterations in penetration resistance and aggregate stability due to tillage system in a dystrocohesive Ultisol cultivated with sugarcane.
Mbagwu evaluo los efectos de la adicion de abonos organicos (estiercol de aves de corral) sobre las propiedades fisicas de un Ultisol degradado en Nigeria como alternativa de la alta fertilizacion inorganica en la zona [25].
The effects of different application rates of organic and inorganic fertilizers on soil physical properties and maize production in a severely degraded ultisol in Southern Nigeria.
An Oxisol (Munchong Series) and an Ultisol (Bungor Series) were used in this experiment, which was laid out using a randomized completely block design in six replication.
Fernandez y Turrion (2011) trabajando en un experimento de incubacion con un Alfisol y uno Ultisol senalaron que las fracciones de P variaban de acuerdo al suelo, fertilizante y enmienda aplicados.
II Suitable soils Rhodic Eutrophic Red Yellow Eutrophic Alfisoil, Luvisol Haplic, Cambisol, Chernosol Argiluvico and Neosoil Fluvic Eutrophic, non-salty, non-sodic and well drained, Distroferric Red Latosol and dystrophic Red Yellow Latosol and Yellow, Red Nitosol Dystroferric Ultisol dystrophic and Yellow, Cambisol, Vertisol, Chernosol Argiluvico, Fluvic Neossols Dystrophic and or poorly drained, Gleysol, Organosols and Vertisols.
The results showed that the sewage sludge could be an important source of Zn and Cu in soils for crop production shown by their high concentrations in the Oxisol and Ultisol treated with 10% sewage sludge.
The soil belongs to the order ultisol and is classified as Typichaplustult [20].