If you want to ensure a good harvest, you need to put genuine love into your work, of course – but you also need two or three sacks of top-quality fertilizer. Building a Fertilizer Barrel allows you to get Insta-Grow Fertilizer and 50% Fertilizer.
The building accumulates stores when you collect products from your animals. Please note that the Fertilizer Barrel has a certain amount of durability and if you use this up, you will need to renovate it.
FYI, the higher the Fertilizer Barrel's level, the more fertilizer you will get.