Walkthrough

1. For completing this request, you can get Rototiller as a reward.
2. Speak to Drillbur about their patch of soil needing hydration via the irrigation canals that surround them. However, the canals are dry. Accept the request to bring back water to them.
3. Destroy a block of hay or any type of terrain, and store at least one block in your backpack.
4. Follow the irrigation canals until you spot a vine you can climb. Set a block at its base and start climbing up. | | Once you reach the top, spot a block of soil leaking with water. Destroy it using the Rock Smash ability to let the water flow.
5. Report back to Drillbur to complete the request and get the Rototiller ability!

Walkthrough source: Game8.