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unclear whether high-intensity agriculture can be sustained, because of the loss of soil fertility, the
erosion of soll, the increased incidence of crop and
livestock diseases, and the high energy and
chemical inputs associated with it. The search is on for
practices that can provide sustainable
yields,
preferably comparable to those of high-intensity agriculture
but with fewer environmental costs....
Source: David Tilman, "The Greening of the Green Revolution," Nature, November 1998 from the
NYS Global History and
Geography Regents Exam, June, 2004
.
Write POSSIBLE ENDURING ISSUES present in the document in the space below.