Crops can blight, animals can get diseases. I donβt know much about hydroponics but I know that bacteria are a concern. What food source is the most reliable, the least likely to produce less food than expected?
Youβre going to have people anyway, and theyβre going to die. We just need a process to make their deaths a d resulting disposal as productive as possible. We could set an optimum age limit; maybe gameify the process, and package it with respect and nobility. We could give it a pleasant name - something like βCarouselβ maybe.
Weβre looking for balance, not a Buddhist sort of minimal impact.