Evaluation of Soil Improvement Resulted from Land Use Type in Post-irrigation Spoil Area of Lower Reaches of Yellow River

WANG Guixia; XIA Jiangbao; WANG Jingyuan

doi:10.13961/j.cnki.stbctb.2016.02.050

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Evaluation of Soil Improvement Resulted from Land Use Type in Post-irrigation Spoil Area of Lower Reaches of Yellow River

- Evaluation of Soil Improvement Resulted from Land Use Type in Post-irrigation Spoil Area of Lower Reaches of Yellow River
- Bulletin of Soiland Water Conservation Vol. 36, Issue 2, Pages: 264-269(2016)
- 作者机构：
  
  1. 滨州市水利局,山东,滨州,256600
  2. 滨州学院山东省黄河三角洲生态环境重点实验室,山东,滨州,256603
  3. 滨州市小开河引黄灌溉管理局,山东,滨州,256600
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.02.050
  CLC：
- Published：2016
- 稿件说明：
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WANG Guixia, XIA Jiangbao, WANG Jingyuan. Evaluation of Soil Improvement Resulted from Land Use Type in Post-irrigation Spoil Area of Lower Reaches of Yellow River[J]. Bulletin of Soiland Water Conservation, 2016, 36(2): 264-269.
DOI：

WANG Guixia, XIA Jiangbao, WANG Jingyuan. Evaluation of Soil Improvement Resulted from Land Use Type in Post-irrigation Spoil Area of Lower Reaches of Yellow River[J]. Bulletin of Soiland Water Conservation, 2016, 36(2): 264-269. DOI： 10.13961/j.cnki.stbctb.2016.02.050.

摘要

[目的] 探讨黄河下游引黄灌区弃土区不同土地利用方式对土壤改良的影响

为该区集中弃土区水土保持生态建设中植被恢复模式的构建提供科学依据和技术参考。[方法] 以山东省滨州市小开河引黄灌区的刺槐纯林、杨树+花生农林间作和大豆农田为研究对象

测定分析不同土地利用方式下的土壤抗侵蚀能力、土壤蓄水性能及土壤养分含量等指标。采用模糊数学隶属函数法对3种土地利用方式的改良土壤功能进行综合评价。[结果] 3种土地利用方式可显著增强土壤抗蚀性、改善土壤物理结构、增强土壤蓄水性能和土壤养分。土壤抗蚀能力依次表现为:杨树+花生农林间作 > 大豆农田 > 刺槐纯林 > 裸地。大豆农田改善土壤物理性状能力优于刺槐纯林和农林间作;土壤蓄水能力表现为:大豆农田 > 刺槐纯林 > 农林间作 > 裸地;在增强土壤渗透、减少地表径流方面

农林间作最好

刺槐纯林次之

大豆农田最差。土壤有机质、速效氮和速效磷含量均表现为:大豆农田 > 农林间作 > 刺槐纯林 > 裸地

而土壤速效钾含量表现为:刺槐纯林 > 大豆农田 > 农林间作 > 裸地。[结论] 引黄灌区弃土区改良土壤功能强弱综合评价为:大豆农田 > 杨树+花生农林间作 > 刺槐纯林。建议在该区域水土流失治理的土地利用方式选择上优先采用大豆农田

其次为农林间作。

Abstract

[Objective] Soil improvements resulted from different land use types were determined in a post-irrigation spoil area of the lower reaches of the Yellow River in order to provide scientific reference for soil & water conservation and vegetation restoration. [Methods] Three land use types as Robinia forest

poplar+peanut intercropped farmland and soybean farmland were selected in Xiaokaihe irrigation area of the Yellow River in Binzhou City. Anti-erosion ability

water storage capacity and nutrient content of the soils were measured. The functional soil improvements were comprehensively evaluated using membership function in fuzzy mathematics method. [Results] Obvious improvements of soil anti-erosion

physical structure

water storage capacity and nutrients were observed. The rank of soil anti-erosion ability was: tree-crop intercropping of poplar+peanut > soybean farmland > Robinia pure forest > bare land. Soybean farmland performed better in improving soil physical structure than Robinia pure forest and tree-crop intercropping did. Soil water storage ability ranked as: soybean farmland > Robinia pure forest > tree-crop intercropping > bare land. For improving soil infiltration and reducing surface runoff

tree-crop intercropping performed the best

followed by Robinia pure forest

and soybean farmland behaved the worst. In respect of the improvements of soil organic matter

available nitrogen and available phosphorus content

they performed as soybean farmland > tree-crop intercropping > Robinia pure forest > bare land; In terms of soil available K improvement

they ranked as: Robinia pure forest > soybean farmland > tree-crop intercropping > bare land. [Conclusion] Comprehensive evaluation of the three land use types on improving soil function in post-irrigation spoil area of the lower reaches of the Yellow River showed as soybean farmland > tree-crop intercropping of poplar+peanut > Robinia pure forest. Therefore

soybean farmland is suggested as first choice for the control of soil and water loss in this area

tree-crop intercropping type is also in the list.

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references

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