Effect of stand and tree attributes on growth and wood quality characteristics from a spacing trial with Populus xiaohei Ze-Hui Jiang, Xiao-Qing Wang, Ben-Hua Fei, Hai-Qing Ren and Xing-E LiuAnn. For. Sci., 64 8 (2007) 807-814DOI: https://doi.org/10.1051/forest:2007063