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Environment

Spring coming earlier

Ajo Copper News of Ajo, Arizona

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According to a 2005 study by researchers at Stanford University, spring weather conditions the world over are arriving about 10 days earlier in the calendar than they did 30 years ago. This phenomenon, called "season creep," is lengthening the growing season for many allergen-producing weeds.



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Original Publication Date: February 4, 2009



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