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Examples

  • Its eastern till plain is typified by dark brown soils used for crops and range and its western till plain is an important grain farming area; in between, its central till plain has brown, aridic-ustic soils primarily used for grazing.

    Ecoregions of Montana (EPA) 2009

  • Rangeland is extensive, especially in areas of aridic soils, poor drainage, or dissected terrain; farmland is found locally in Ecoregion 43 such as on the extensive Quaternary terrace deposits of the Judith River Basin.

    Ecoregions of Montana (EPA) 2009

  • Soils have an aridic moisture regime and they originally supported sagebrush/grass associations before the valley was converted to agriculture.

    Ecoregions of Oregon (EPA) 2009

  • Soil moisture regimes are mostly xeric, but aridic at the southern end of the subsection.

    Hardpan Terraces 2009

  • Soils have an aridic, bordering on ustic, moisture regime and receive more moisture during the growing season than the xeric soils of the Semiarid Bear Hills (18d).

    Ecoregions of Utah (EPA) 2009

  • The region has a hyperthermic soil temperature regime with aridic ustic and typic ustic soil moisture regimes.

    Ecoregions of Texas (EPA) 2009

  • The region consists of mostly Holocene alluvium or Holocene and Pleistocene terrace deposits, with a mix of ustic to aridic, hyperthermic soils.

    Ecoregions of Texas (EPA) 2009

  • Alfisols, Aridisols, Entisols, Histisols, Inceptisols, Mollisols and Vertisols in combination with a thermic soil temperature regime and xeric, aquic or aridic soil moisture regimes.

    Great Valley (Bailey) 2009

  • Its aridic soils require irrigation to grow commercial crops.

    Ecoregions of Idaho (EPA) 2008

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