Water and arable land

By: AlanK (Registered ) on 17-10-2007 10:20

I am astounded that no-one has thought of the relationship between arable land, water, and food production, under present circumstances. I can remember a report in the early 70's in the National Times, stating that the then conditions ment that at 30 million population Australia could grow sufficient food for that number and still be a food exporting nation. If, however, we reached 40 million, Australia would have to become a food importing nation from then on. Conditions have changed markedly over the past 40 years, and I wonder what a similar study would show on todays conditions. No doubt the numbers would be in the order of 35 million, or, lower. 
This is the only study of this nature I have seen, and still gives me pause!

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