natric horizon

  • 1Solonetz — ( ru. Солонец) is a type of soil in FAO soil classification. They have, within the upper 100 cm of the soil profile, a so called natric horizon (natrium is the chemical term for sodium). There is a subsurface horizon (subsoil), higher in clay… …

    Wikipedia

  • 2solonetz — noun A type of soil with a so called natric horizon within the upper metre of the soil profile and a subsoil with higher clay content than the upper horizon, the latter having more than 15% exchangeable sodium …

    Wiktionary