Abstract
A correlation analysis of the nutrients, enzymes, and microbial biomass in Artemisia annua L. rhizosphere soil with A. annua phenolics was performed to assess whether the properties of A. annua rhizosphere soil could affect A. annua phenolics. The concentrations of soil nutrients, enzyme activities, microbial biomass C and N, total polyphenols, scopoletin, chrysosplenolD, and chrysosplenetin significantly varied at different sampling sites. The total polyphenols were significantly positively correlated with available K, invertase, and microbial biomass C, but negatively correlated with organic matter, urease, and phosphatase. Significant positive correlation was observed between scopoletin and organic matter, available P, phosphatase, and microbial biomass C and C/N ratio. Chrysosplenol-D was significantly positively related to available K and invertase, and significantly negatively related to phosphatase. Chrysosplenetin was significantly positively related to microbial biomass C, and negatively related to available N. These findings suggested that transformation of soil N and P is promoted by A. annua through activation of rhizosphere enzymes and microorganisms. This is advantageous for the adaptation of A. annua to a wide range of soil environments and influences the metabolic accumulation of A. annua phenolics.

Shi-Qiong Luo, Cheng Zhao, Zhan-Nan Yang, Sheng-Juan Di, Zhu Zheng, Juan Hu. (2019) CORRELATION ANALYSIS OF NUTRIENTS, ENZYMES, AND MICROBIAL BIOMASS IN SOILS WITH PHENOLICS OF Artemisia annua L., , Volume 56, Issue 1.
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