Buyers Guide Top 10 of 40 Grower DayAgAnnexCanadian Biomass Magazine

Cloned trees fuel urban pollen count

March 26, 2012 Written by  Randy Shore/Vancouver Sun
Mar. 26, 2012, Vancouver — Real estate developers and street tree programs that plant all-male varieties of trees may be driving pollen levels higher and exacerbating allergies, according to an American horticulturalist mapping urban trees across Canada. | READ MORE

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