差さし土つち

noun

adding soil to a flowerbed; topdressing

Gardening term for adding fresh soil to the surface of a flowerbed or potted plant, often to replenish nutrients or adjust the level.

• 春はるになったら花か壇だんに差さし土つちをしよう。

  Let's add some soil to the flowerbed when spring comes.

• 鉢はち植うえの表ひょう面めんが下さがったので、差さし土つちをして高たかさを戻もどした。

  The surface of the potted plant had sunk, so I added soil to restore the level.