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Influence of dragon bamboo with different planting patterns on microbial community and physicochemical property of soil on sunny and shady slopes

Journal of Microbiology 2020년 58권 11호 p.906 ~ 914
Liu Weiyi, Wang Fang, Sun Yanmei, Yang Lei, Chen Huihai, Liu Weijie, Zhu Bin, Hui Chaomao, Wang Shiwei,
소속 상세정보
 ( Liu Weiyi ) - Southwest Forestry University
 ( Wang Fang ) - Southwest Forestry University
 ( Sun Yanmei ) - Northwest University College of Life Science
 ( Yang Lei ) - Southwest Forestry University
 ( Chen Huihai ) - Northwest University College of Life Science
 ( Liu Weijie ) - Jiangsu Normal University School of Life Science
 ( Zhu Bin ) - Virginia Commonwealth University Philips Institute for Oral Health Research
 ( Hui Chaomao ) - Southwest Forestry University
 ( Wang Shiwei ) - Northwest University College of Life Science

Abstract


Dragon bamboo (Dendrocalamus giganteus) is a giant sympodial bamboo species widely distributed in Asia. However, it remains unclear how dragon bamboo and soil microbes interact to affect soil properties. In this study, we investigated the planting patterns (semi-natural and artificial) on different slopes (sunny and shady) to determine the effects on soil properties and microbial community. The results showed that the soil in which dragon bamboo was grown was acidic, with a pH value of ∼5. Also, the soil organic matter content, nitrogen hydrolysate concentration, total nitrogen, available potassium, and total potassium of the dragon bamboo semi-natural forest significantly improved, especially on the sunny slope. In contrast, the available phosphorus level was higher in the artificial bamboo forest, probably owing to the phosphate fertilizer application. The bacterial and fungal diversity and the bacterial abundance were all higher on the sunny slope of the semi-natural forest than those in the other samples. The microbial operational taxonomic units (OTUs) shared between the shady and sunny slopes accounted for 47.8?62.2%, but the core OTUs of all samples were only 24.4?30.4% of each sample, suggesting that the slope type had a significant effect on the microbial community. Some acidophilic microbes, such as Acidobacteria groups, Streptomyces and Mortierella, became dominant in dragon bamboo forest soil. A PICRUSt analysis of the bacterial functional groups revealed that post-translational modification, cell division, and coenzyme transport and metabolism were abundant in the semi-natural forest. However, some microorganisms with strong stress resistance might be activated in the artificial forest. Taken together, these results illustrated the influence of dragon bamboo growth on soil physicochemical property and microbial community, which might help understand the growth status of dragon bamboo under different planting patterns.

키워드

dragon bamboo; planting pattern; slope type; soil physicochemical properties; soil microbial community

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