Figure 3 | Scientific Reports

Figure 3

From: Effects of N and P addition on nutrient and stoichiometry of rhizosphere and non-rhizosphere soils of alfalfa in alkaline soil

Figure 3

Effects of N addition on SOC (a), TN (b) and TP (c) accumulation of three-layer soils. Note: 1. The SOC, TN and TP refer to soil organic carbon, total nitrogen and phosphorus of three-layer soils of non-rhizosphere, respectively. 2. Different lowercase letters above the lines refer to significant differences among different treatments of same soil layer at P < 0.05 level. 3. The note below are the same.

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