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Plant breeders are racing to develop drought-resistant crop varieties as rainfall patterns grow increasingly —erraticerraticallyerraticismerroneous across farming regions. By selecting strains with deeper root systems, scientists can help plants draw —moisturemoistmoistenmoistened from soil moisture that lies well below the surface. Such crops will not —eliminateeliminationeliminatingeliminated irrigation altogether, but they could significantly reduce water demand in regions already facing chronic —shortagesshortageshortenshortfall's.