Effects of increased soil nitrogen on the competitive performance of Flaveria bidentis and Sorghum bicolor × Sorghum sudanense at seedling stage
HUANGFU Chaohe, WANG Nannan, CHEN Dongqing, YANG Dianlin, MA Jie
Ecology and Environment . 2010, (3): 672 -678 .  DOI: 10.16258/j.cnki.1674-5906(2010)03-0672-07