Quote:
Originally Posted by RedDevil
Crops...
It turns out that the amount of food crops produced closely matches the population and livestock. It makes sense to produce what you can sell but not much more.
As long as there's still enough fresh water to irrigate the land, fertilizer to make the crops grow and forests to slash or burn to create more farm land food won't be the main concern.
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Natural gas for fertilizer (and heat). 70 years. Liquid fuel for farm equipment and transportation to the megacities, and for digging up Phosphorous. 30 years. And Phosphorous. ??? Which could turn out to be the first limiting input. 10 Billion hungry people.