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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
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调节植物修复:滴灌系统如何影响活跃绿墙和微生物社区变化的表现?

Luowen Lyu1, Stephen Matheson2, Robert Fleck3

  • 1Plants and Environmental Quality Research Group, School of Civil and Environmental Engineering, University of Technology Sydney, Australia.

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PubMed
概括

活跃绿色墙壁中的低流量滴灌优化了土壤水分和微生物群落,以改善空气植物修复. 这种方法通过确保均的湿度和保护有益细菌来提高系统性能.

关键词:
有活力的绿色墙壁.滴滴灌方式的灌方式气体染色学-质谱学微生物 微生物在 PLFA PLFA 中.

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科学领域:

  • 环境科学 环境科学
  • 微生物学 微生物学
  • 园艺工程 园艺工程

背景情况:

  • 活跃的绿色墙壁利用生物过和机械通风进行空气修复.
  • 灌对这些系统中的土壤水分和微生物群落的影响在很大程度上尚未研究.

研究的目的:

  • 研究滴灌技术对活跃绿墙性能的影响.
  • 评估不同的灌流量如何影响基板水分,空气流和微生物群落.

主要方法:

  • 测试了一种模块化绿墙系统,其中包括7种植物和一个只含基板的对照物.
  • 测量包括水分发,水承载能力,基板空气流和微生物脂脂肪酸 (PLFA).
  • 进行了低流量和高流量滴灌的比较.

主要成果:

  • 与快速系统相比,低速滴灌方式减少了水消耗,改善了水分的分配.
  • 高流量导致水路现象,导致不均的水分,特别是纤维根.
  • 滴滴灌并没有改变微生物群落的整体组成,但在高流量下,真菌增加了6%,细菌减少了56.67%.

结论:

  • 低流速滴灌对活跃的绿墙性能更有利,支持植物生长和微生物社区组成.
  • 滴灌显著影响基板空气流和微生物密度,这是有效空气清洁的关键因素.