These are the ideas I came up with long ago, so someone may have already published similar ideas.
Searching past forums did not find the same topic, but sorry if I missed it.
Arbor tree automatic harvest farm
Wait for the branches to mature, then break the branches at the waterfall and harvest.
Control the waterfall timing with the water timer in the upper right.
Arbor Acorn production to build the above farm
Increase the incidence of Arbor Acorn by