Figure 4: Redundancy analysis (RDA) of the bacterial communities with environmental variables in different N-level fertilized soils for summer. | Scientific Reports

Figure 4: Redundancy analysis (RDA) of the bacterial communities with environmental variables in different N-level fertilized soils for summer.

From: Effect of different levels of nitrogen on rhizosphere bacterial community structure in intensive monoculture of greenhouse lettuce

Figure 4

(A) and winter (B) soil samples. 100N: normal application rate of N, P2O5, and K2O was 185, 46, and 185 kg ha−1, respectively; 80N: 0.8 times N a as in the 100N; 50N: 0.5 times N as in the 100N; CK: no N applied. C/N: C/N ratio; pH: soil pH value; AP: available P; AN: available N; NN: NO3−-N; AMN: NH4+-N.

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