Artificial Biospheres In Space

king_rodent wrote: The only problem with this system is that it doesn't produce food.
For short duration missions it works well, but not for colonies.
rodent (putting the eek in geek)
If you read all of what I wrote you will notice I mentioned the potassium ash
and some of the other elements can be used for nutrients for plants.
Plants grow food, people eat food, people poop, waste is baked down into
elemental ash and water, nutrients from the waste go to the plants, plants grow food....
Round and round we go.