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Thanks to the USDA, in the late 1940s, in urban areas, mostly male trees were planted to reduce the nuisance of seeds from female trees, however, that could have led to a dramatic increase in seasonal allergies.
By spaldmannThanks to the USDA, in the late 1940s, in urban areas, mostly male trees were planted to reduce the nuisance of seeds from female trees, however, that could have led to a dramatic increase in seasonal allergies.