藁わら灰ばい

noun

straw ashes

Ashes produced by burning straw, traditionally used for various purposes such as fertilizer or in crafts.

• 昔むかしは藁わら灰ばいを田たんぼの肥ひ料りょうに使つかった。

  In the past, straw ashes were used as fertilizer for rice paddies.