"solonetz"^^ . "Solonetz are soils with a dense, strongly structured, clayey subsurface horizon that has a high proportion of adsorbed Na and/or Mg ions. Solonetz that contain free soda (Na2CO3) are strongly alkaline (field pH > 8.5)."^^ . "ENVO:00002255"^^ . . . "ENVO"^^ . "Wikipedia:Solonetz"^^ .