In the item configuration menu inside the harvester you should be able to swap between modes using numpad.
(1 = Collect, 2 = Autosell, 3 = Dispose, 4 = Ignore)
If you have a very large sugar cane farm and lets say the current mode is AutoSell, you have to click 2 times for it to be collect and 3 times for it to dispose, and in that short amount of time a lot of it can grow, and its pre..
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