Wiktionary
solonchak
n. A pale or grey soil found in arid to subhumid conditions with poor drainage.
Wikipedia
Solonchak
Solonchak ( Russian and Ukrainian: Солончак) is pale or grey soil type found in arid to subhumid, poorly drained conditions. The word is Russian for " salt marsh" in turn from Russian sol , " salt". Ukrainian folk word "солончак" in turn from Ukrainian "salty" + "чак" — suffix; designation of an object that has the property. In Ukraine there is a village Solonchaky.