Douglas Content / Douglas Content for °ÄÃÅÁùºÏ²Ê¿ª½±½á¹û×ßÊÆͼ en Drought Slows Growth of Douglas Fir Trees Across the West /news/drought-conditions-slow-growth-douglas-fir-trees-across-west <p>Douglas fir trees are consistently sensitive to drought conditions that occur throughout the species’ range in the United States, according to a study led by a researcher at the University of California, Davis.</p> August 08, 2016 - 1:00pm Katherine E Kerlin /news/drought-conditions-slow-growth-douglas-fir-trees-across-west