火か山ざん灰ばい土ど

noun

volcanic ash soil

Technical term used in geology, agriculture, and soil science. Refers to soil formed from volcanic ash, often with specific properties like high water retention.

• この地ち域いきの火か山ざん灰土ばいどは農のう業ぎょうに適てきしている。

  The volcanic ash soil in this region is suitable for agriculture.