Originally Posted by
Rfs04
There are 2 ways to get that 2x boost to activate...
1. If you have a farm that you haven't planted, the boost will activate here so you can boost first, plant after.
2. If all farms are working on crops, the boost can be activated by tapping a little outside the plant symbol. I think I was able to tap just below and maybe to left of the picture.
The problem is that the picture doesn't line up exactly with the button hidden under it for the boost. Why they haven't fixed it is yet another puzzle.