I have looked at the 26x26 upgrades continually and it seemed rather extravagant to me ...
I calculated out the cost versus the return and the number of additional space gained would take using every bit of the upgrade space planted with Acorn Squash with a full 6th Degree Dan, fertilized and watered so the output would be doubled and done in half the time with the 72% bonus ... then if planted 24 hours/day, 7 days/wk it would take about 26 YEARS (IRT) to pay for one farm upgrade. just something to think about.
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