Tom Adams wrote:
Eric Swanson wrote:

> U.S. corn production is an example of optimization intended to maximize
> yield.  Other regions may not be so hospitable for corn production and
> thus may not substitute for any loss in U.S. production.  Consider this
> example of requirements for corn production:
>
> http://www.ces.purdue.edu/extmedia/NCH/NCH-40.html
>
> Notice that there is a sharp dividing line in precipitation roughly
> along the 100 degree meridian in Figure 4.

Figure 8, you mean?

Woops, should have said Figure 6 (it's on top of Table 4)

I does Canada (off the map) figure in to this?

You might take a look at the National Assessment document mentioned
above.
I'm still reading it...


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