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Water and Mineral Acquisition02:34

Water and Mineral Acquisition

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Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.
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The Soil Ecosystem02:23

The Soil Ecosystem

19.6K
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
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相关实验视频

Updated: Jun 5, 2025

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

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透深度,植根深度和规石冲洗-一个全球视角.

Ying Fan1, Gonzalo Miguez-Macho2

  • 1Department of Earth and Planetary Sciences, Rutgers University, New Brunswick, NJ 08544, USA.

PNAS nexus
|December 16, 2024
PubMed
概括
此摘要是机器生成的。

透分为蒸发透气 (短路) 和深排水 (长路). 长电路在潮湿的气候中占主导地位,而植物用水在干燥的地区增加了短电路,影响了全球的水循环.

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Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
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Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

Published on: September 11, 2016

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Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
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Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

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相关实验视频

Last Updated: Jun 5, 2025

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

7.7K
Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations
10:30

Soil Lysimeter Excavation for Coupled Hydrological, Geochemical, and Microbiological Investigations

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Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
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Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil

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科学领域:

  • 地球系统科学 地球系统科学
  • 水文学的水文学
  • 生物地质化学生物地质化学

背景情况:

  • 根区的透分化为蒸发透气 (短路) 和深排水 (长路).
  • 短路影响天气,气候和碳循环;长路影响营养/污染物运输和全球生物地球化学循环.

研究的目的:

  • 确定透水短路与长路的全球结构.
  • 确定塑造这些水文路径的驱动力和反机制.

主要方法:

  • 从特定地点的研究中综合发现.
  • 利用全球建模来分析水文过程.
  • 研究了气候,排水,基板和生物质的相互作用.

主要成果:

  • 长电路在潮湿的气候,排水良好的景观和有深层断裂的地区占主导地位.
  • 在干燥的气候中使用植物用水加强了浅层透,减少了深层排水和规石冲洗.
  • 土壤地平线和深层岩石裂显著影响水路.

结论:

  • 全球地下水表现出由多层次反驱动的多种结构和功能.
  • 了解这些路径对于预测入雨如何影响大气和海洋至关重要.