Deep Soil C, N, and P Stocks and Stoichiometry in Response to Land Use Patterns in the Loess Hilly Region of China - Fig 3

<p><b>Distribution ratios of the SOC (A), TN (B) and TP (C) stocks in soil at a depth of 0</b>–<b>200 cm.</b> The error bars are the standard errors. Different lowercase letters indicate significant differences at 0.05 (P < 0.05) levels among different soil depths within the same land use type.