Effects of Water and Heat Stress on the Needle Sugar Content of Four Coniferous Tree Seedlings
YU Fang-yuan~1,XU Xi-zeng~1,Robert D.Guy~2
Journal of Nanjing Forestry University (Natural Sciences Edition) . 2004, (05): 1 -5 .  DOI: 10.3969/j.jssn.1000-2006.2004.05.001