Yong-Bo Liu and Qi-Bin Zhang. Growth Rings of Roots in Perennial Forbs in Duolun Grassland, Inner Mongolia, China[J]. J Integr Plant Biol, 2007, 49(2): 144-149.
Yong-Bo Liu and Qi-Bin Zhang. Growth Rings of Roots in Perennial Forbs in Duolun Grassland, Inner Mongolia, China[J]. J Integr Plant Biol, 2007, 49(2): 144-149.