Fertilizer is a craftable item in the mod tropicraft
Fertilizer is crafted by putting one croton and one magic mushroom in a crafting table in any order.
Fertilizer can be used to instantly mature trees such as palm, lemon, orange, lime aor grapefruit trees.
When used on grass. Tropical fertilizer can sprout taller grass and tropical flowers.
Fertilizer currently does not work on coffee plants for mahogany trees.