Since fertilization affects the plot, which isn't really explained anywhere in game. It'd be apparent if it highlighted the plot instead of a square when holding fertilizer in hotbar.
Also I'd suggest not using the same plot highlighting as with the stake. I get really disoriented when holding the stake because the green is very opaque and walls/floors don't look any different. Use alot more transparency, and only highlight the tops of blocks.
Since fertilization affects the plot, which isn't really explained anywhere in game. It'd be apparent if it highlighted the plot instead of a square when holding fertilizer in hotbar.
Also I'd suggest not using the same plot highlighting as with the stake. I get really disoriented when holding the stake because the green is very opaque and walls/floors don't look any different. Use alot more transparency, and only highlight the tops of blocks.