To fertilize your neighbor:
- Visit your neighbor
- Find a plot with a crop on it
- Click this plot. You don't need to drag the bags of fertilizer.
Keep the following in mind when you fertilize your neighbor's land!
- You can't fertilize empty plots
- You can't fertilize crops that are already fully grown
- You can't fertilize crops that have already been fertilized by someone else
- You can fertilize 5 crops per neighbor per day max