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...

 

[Kaarme]

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...

Cattle and horse dung enriched soil. At least the humans should think twice before getting buried. The dryads would love it, no doubt. Guano might be somewhat milder, but humans still shouldn't get buried in it, I reckon.