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Soil conditioner improves soil properties, regulates microbial communities, and increases yield and quality of Uncaria rhynchophylla

文献类型： 外文期刊

作者： Liu, Qian 1 ; Cui, Honghao 1 ; Yang, Wansheng 1 ; Wang, Fang 3 ; Liao, Heng 2 ; Zhu, Qing 2 ; Qin, Song 2 ; Lu, Ping 1 ;

作者机构： 1.Guizhou Univ, Ctr R&D Fine Chem, Guiyang 550025, Peoples R China

2.Guizhou Acad Agr Sci, Inst Soil Fertilizer, Guiyang 550006, Peoples R China

3.Guizhou Ind Polytech Coll, Guiyang 550008, Peoples R China

关键词： Uncaria rhynchophylla; Soil conditioners; Microbial communities; Yield; Quality

期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.9； 五年影响因子：4.3 ）

ISSN： 2045-2322

年卷期： 2024 年 14 卷 1 期

页码：

收录情况： SCI

摘要： Uncaria rhynchophylla is an important traditional herbal medicine in China, and the yield and quality of Uncaria rhynchophylla can be improved by suitable soil conditioners because of changing the soil properties. In this paper, Uncaria rhynchophylla associated alkaloids and soil microbial communities were investigated. The field experiment was set up with the following control group: (M1, no soil conditioner) and different soil conditioner treatment groups (M2, biomass ash; M3, water retention agent; M4, biochar; M5, lime powder and M6, malic acid). The results showed that M2 significantly increased the fresh and dry weight and the contents of isorhynchophylline, corynoxeine, isocorynoxeine, and total alkaloids. Acidobacteria, Proteobacteria, Actinobacteria, and Chloroflexi were major bacterial phyla. Correlation analysis showed that fresh and dry weight was significantly positively correlated with Acidobacteria, while alkali-hydrolyzable nitrogen, phosphatase activity, fresh and dry weight, corynoxeine, and isocorynoxeine were significantly negatively correlated with Chloroflexi. The application of soil conditioner M2 increased the abundance of Acidobacteria and decreased the abundance of Chloroflexi, which contributed to improving the soil nutrient content, yield, and quality of Uncaria rhynchophylla. In summary, biomass ash may be a better choice of soil conditioner in Uncaria rhynchophylla growing areas.

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