“Just as the Green Revolution was based on crops responsive to high soil fertility, the Second Green Revolution will be based on crops tolerant of low soil fertility” Jonathan Lynch via Science Daily Unfortunately his full talk is not available for free (though you can buy it at the Audio Visual Education Network )
I have been unable to track down more details on this talk, but I suspect that if the crops are not getting their nutrients from the soil, they would be getting them from the atmosphere. That would be quite the shift in fertilization.
(found via the February 25, 2010 issue of AIC Notes)
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