Soil Nutrient Characteristics and Their Influence Factors in Vegetation Restoration on Rocky Slope

MA Shuai-shuai; WANG Ying-yu; SONG Gui-long; XU Hong-yu; WANG-Feng; LIU Xiao-hong

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Soil Nutrient Characteristics and Their Influence Factors in Vegetation Restoration on Rocky Slope

- Soil Nutrient Characteristics and Their Influence Factors in Vegetation Restoration on Rocky Slope
- Bulletin of Soiland Water Conservation Vol. 32, Issue 3, Pages: 24-28(2013)
- 作者机构：
  
  1. 北京林业大学草坪研究所,北京,100083
  2. 北京市京石园林绿化有限公司,北京,100026
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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MA Shuai-shuai, WANG Ying-yu, SONG Gui-long, et al. Soil Nutrient Characteristics and Their Influence Factors in Vegetation Restoration on Rocky Slope[J]. Bulletin of Soiland Water Conservation, 2013, 32(3): 24-28.
DOI：

MA Shuai-shuai, WANG Ying-yu, SONG Gui-long, et al. Soil Nutrient Characteristics and Their Influence Factors in Vegetation Restoration on Rocky Slope[J]. Bulletin of Soiland Water Conservation, 2013, 32(3): 24-28. DOI：

摘要

以北京—承德(简称京承)高速公路(3期)边坡3a恢复期植被为研究对象

对土壤养分状况进行了调研

并分析了影响养分变化的主要因素。结果表明

pH值绝大部分在6.5左右

86.73%边坡的有机质含量和88.78%边坡的全氮含量都处于中上水平

90.82%边坡的速效磷含量处于较丰富水平

73.74%边坡的速效钾含量处于中下水平

表明在目前施工技术及养护条件下

速效钾成为植物生长的关键养分因子。影响因素中

坡质、坡向和施工工艺对基质养分含量影响较大。

Abstract

Regarding the vegetation recovered for 3years on Beijing-Chengde third-phase freeway slopes as the study object

we conducted an investigation of soil nutrient status and analyzed the main factors affecting soil nutrients.Results showed that soil pH values were mostly about 6.5;soil organic matter contents on 86.73% of the slopes and total nitrogen contents on 88.78% of the slopes

in upper level;available phosphorus contents on 90.82% of the slopes

in rich level;and available potassium contents on 73.74% of the slopes

in low-middle level.This indicated that available phosphorus was the key nutrient factor for plant growth undere the current construction techniques and curing conditions.Slope material

slope direction and construction techniques had more effects on total nutrient content on the slopes.

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