Effects of Robinia Pseudoacacia Plantations on Soil Chemical Properties in Yellow River Delta

DONG Hai-feng; DU Zhen-yu; LIU Chun-sheng; LIU Fang-chun; MA Bing-yao; MA Hai-lin

doi:10.13961/j.cnki.stbctb.2014.03.012

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Effects of Robinia Pseudoacacia Plantations on Soil Chemical Properties in Yellow River Delta

- Effects of Robinia Pseudoacacia Plantations on Soil Chemical Properties in Yellow River Delta
- Bulletin of Soiland Water Conservation Vol. 33, Issue 3, Pages: 55-60(2014)
- 作者机构：
  
  1. 山东农业大学资源与环境学院,山东,泰安,271018
  2. 山东省林业科学研究院,山东,济南,250014
  3. 土肥资源高效利用国家工程实验室,山东,泰安,271018
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.03.012
  CLC：
- Published：2014
- 稿件说明：
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DONG Hai-feng, DU Zhen-yu, LIU Chun-sheng, et al. Effects of Robinia Pseudoacacia Plantations on Soil Chemical Properties in Yellow River Delta[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 55-60.
DOI：

DONG Hai-feng, DU Zhen-yu, LIU Chun-sheng, et al. Effects of Robinia Pseudoacacia Plantations on Soil Chemical Properties in Yellow River Delta[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 55-60. DOI： 10.13961/j.cnki.stbctb.2014.03.012.

摘要

黄河三角洲土壤盐渍化严重

是中国生态系统退化地带之一。为了探讨长期人工林对盐碱土壤改良效果

合理利用大面积滨海盐渍土

研究了刺槐纯林和刺槐混交林(刺槐×白蜡

刺槐×白榆

刺槐×臭椿)的林地土壤化学性质

以及不同化学指标间的相关性

并运用灰色关联分析方法对不同造林模式林地的土壤肥力进行了评价。结果表明

滨海盐碱地营造刺槐林能有效抑制土壤返盐退化

降低碱度

改良土壤肥力。混交林压碱排盐的效果要优于纯林。不同造林模式下土壤化学性质差异显著

各指标呈现不同的垂直变化趋势

土壤交换性钙、镁未表现出"表聚"现象

有效磷、有效硫规律性变化不明显;各化学指标之间存在一定的相关性

土壤酸碱度与全氮、交换性钙、交换性镁存在显著性负相关

土壤有效硫与有效磷之间呈显著性负相关。灰色关联分析结果显示

混交林改良土壤肥力的综合效应明显高于刺槐纯林

其中刺槐×白蜡混交林改良土壤肥力的综合效应最好

其次是刺槐×白榆和刺槐×臭椿。

Abstract

Due to serious soil salinization

the Yellow River Delta has become one of degraded ecosystems in China. Effects of different plantations

including Robinia pseudoacacia pure forest & mixed forest

on soil chemical properties were studied in order to explore the relationships between plantation modes and soil chemical properties and thus rationally utilize the land resources of large scale saline region. Results showed that creating R. pseudoacacia in coastal saline effectively inhibited soil salinization and degradation

reduced alkalinity

and improved soil fertility. The effect of soil alkali salt dischange of mixed plantation was better than that of pure forest. Soil chemical properties were significantly different under different plantation modes. Soil exchangeable calcium and magnesium did not show phenomenon of accunulation in sruface

but the effective sulfur and phosphorus did not change significantly. Moreover

there was a certain correlation between the chemical indicators. Soil pH value had significantly negative correlations with total nitrogen

exchangeable calcium and exchangeable magnesium and there was a significant negative correlation between soil available sulfur and available phosphorus. The integrated effect on soil properties in mixed plantation was higher than Robinia pseudoacacia pure forest. Moreover

the combined effects on soil fertility in different mixed modes were not the same. The mixed plantation of R. pseudoacacia and Fraxiinus velutina performed the best effects on soil fertility

followed by the modes of R. pseudoacacia×Ulmuspumila ＆R. pseudoacacia×Ailanthus.

关键词

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references

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