Shokubutsu Mahou Chito de Nonbiri Ryoshu Seikatsu Hajimemasu Zense no Chishiki o Kushi Shite Nogyo Shitara, Gyakuten Jinsei Hajimatta Kudan - Vol. 2 …

[MangaDex]

 

[Seraphus]

Pg19 it says that "... fertilizer and the like, are similar to treats" (for the dryads)...
... And I'm just unable to unthink the ingredients of most fertilizer, and unable to unsmell the memory of being around fertilizer...