Figure 1
From: Deep soil C and N pools in long-term fenced and overgrazed temperate grasslands in northwest China
(a) Soil water content (SWC) and (b) soil bulk density (BD) in fenced grassland (FG) and grazed grassland (GG). Note: the values are mean ± SD; difference significant was represented by asterisk (P < 0.05, denoted by *P < 0.01, denoted by **P > 0.05, denoted by NS).
