Growth Rings of Roots in Perennial Forbs in Duolun Grassland, Inner Mongolia, China
Yong-Bo Liu and Qi-Bin Zhang
Growth Rings of Roots in Perennial Forbs in Duolun Grassland, Inner Mongolia, China
Yong-Bo Liu and Qi-Bin Zhang
J Integr Plant Biol . 2007, (2): 144 -149 .  DOI: 10.1111/j.1744-7909.2007.00426.x