压实对矿区废弃土壤含水量及植物生长的影响

冯晶晶; 张成梁; 赵廷宁; 荣立明

doi:10.13961/j.cnki.stbctb.2015.06.039

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压实对矿区废弃土壤含水量及植物生长的影响

试验研究

- 压实对矿区废弃土壤含水量及植物生长的影响
- Influences of Compaction on Soil Water Content and Plant Growth
- 水土保持通报 2015年35卷第6期页码：213-217
- 作者机构：
  
  1. 北京林业大学水土保持学院,北京,100083
  2. 轻工业环境保护研究所,北京,100089
- 作者简介：
- 基金信息：
  
  北京市科学技术研究院市级财政项目"新工程II-3:石油类污染物污染场地现场检测与原位修复技术集成与应用"(PXM2014_178203_000001)
- DOI：10.13961/j.cnki.stbctb.2015.06.039
  中图分类号：
- 纸质出版：2015
- 稿件说明：
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冯晶晶, 张成梁, 赵廷宁, 等. 压实对矿区废弃土壤含水量及植物生长的影响[J]. 水土保持通报, 2015,35(6):213-217.

FENG Jingjing, ZHANG Chengliang, ZHAO Tingning, et al. Influences of Compaction on Soil Water Content and Plant Growth[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 213-217.
冯晶晶, 张成梁, 赵廷宁, 等. 压实对矿区废弃土壤含水量及植物生长的影响[J]. 水土保持通报, 2015,35(6):213-217. DOI： 10.13961/j.cnki.stbctb.2015.06.039.

FENG Jingjing, ZHANG Chengliang, ZHAO Tingning, et al. Influences of Compaction on Soil Water Content and Plant Growth[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 213-217. DOI： 10.13961/j.cnki.stbctb.2015.06.039.

摘要

[目的] 探究不同压实处理对矿区废弃土壤含水量及植物生长的影响

为有效利用采石场废弃物和城市固体废弃物、改善矿区立地条件、进行植被修复提供依据。[方法] 将砾石和城市固体废弃物按体积8:2混合后进行不同程度压实处理

进行小区试验。[结果] 压实显著提高基质含水量

减小各层含水量差异。随着压实程度增加

植物主要耗水层上移。不同植物受到压实的影响不同

刺槐和苜蓿在重度压实条件下生长明显受阻

侧柏生长量增加。植物在中等强度的压实条件下

能够通过调节自身

适应环境。[结论] 一定程度的压实能获得理想的植物保存率和生长量

压实技术可以运用在废弃采石场植被修复工作中。

Abstract

[Objective] Using municipal solid waste and coarse gravels which were produced during quarrying process and were left in the abandoned mines can produce a new growth substrate for plants. The effects of different compaction degrees on that kind of soil moisture content and the plants growing on it were researched to find ways to improve the disadvantageous site condition.[Methods] Mixtures of gravels and municipal solid waste(8:2 by volume) were compacted to different extents and its effects on soil water content and plant growth were studied.[Results] Soil water content was significantly enhanced by compaction and the differences among soil layers decreased. The layers that plants consumed water from upper under severer compaction. Plants responded differently to compaction. Aboveground growths of Robinia pseudoacacia and Medicago sativa were significantly declined in compacted soils

but the growth of Platycladus orientalis showed a sign of increase. The growths of all three species in two moderately compacted soils implied that plants can acclimate themselves to habitant.[Conclusion] A certain degree of compaction is suitable for plant growth

and compaction can be applied during revegetation in abandoned quarries.

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references

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