Soil Improvement in Land Consolidation in Salinization Area

ZHANG Qing-min; LIU Jun-ling; LI Hong-yuan; MENG Wei-qing

doi:10.13961/j.cnki.stbctb.2014.02.047

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Soil Improvement in Land Consolidation in Salinization Area

- Soil Improvement in Land Consolidation in Salinization Area
- Bulletin of Soiland Water Conservation Vol. 33, Issue 2, Pages: 224-229(2014)
- 作者机构：
  
  1. 南开大学环境科学与工程学院,天津,300071
  2. 天津市开垦征地事务中心,天津,300221
  3. 天津师范大学城市与环境科学学院,天津,300387
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.02.047
  CLC：
- Published：2014
- 稿件说明：
移动端阅览
ZHANG Qing-min, LIU Jun-ling, LI Hong-yuan, et al. Soil Improvement in Land Consolidation in Salinization Area[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 224-229.
DOI：

ZHANG Qing-min, LIU Jun-ling, LI Hong-yuan, et al. Soil Improvement in Land Consolidation in Salinization Area[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 224-229. DOI： 10.13961/j.cnki.stbctb.2014.02.047.

摘要

针对盐渍化地区土地整理实践中土壤盐分含量高

养分含量少的特点

考虑隔盐材料(A)、隔盐层深度(B)和改良剂(C)三个因素

设计3因素3水平正交方案

对土壤进行改良试验

以便筛选出较好的改良方案。研究结果表明

经过改良后土壤容重、pH值和含盐量下降明显

有效氮、有效磷、有机质的含量均呈上升趋势

有效钾含量略有下降;与对照组相比

土壤理化性质、主要养分含量明显改善

作物生物量和产量显著提高

且各指标均差异显著。经过综合平衡

确定A

为最佳改良方案

其中隔盐材料选取炉渣和玉米秸秆

隔盐层深度为60 cm

改良剂为有机肥。

Abstract

According to the consolidation practice and the special characteristics of land in the saline area with high soil salt content and less nutrient content

this article selected salt separating material(A)

the depth of the salt separating layer(B) and ameliorants(C) as factors to design a 3 factors by 3 level orthogonal variance experiment. The results showed that after soil improvement

the soil bulk density

pH value and salt content decreased significantly

and the content of available nitrogen

phosphorus and organic matter increased but a slight decline in available potassium. Compared with the control group

the soil properties

main nutrients

crop biomass and yield of the test groups were significantly improved

and the indicators were significantly different. The best improvement program is A2B2C1

in which the slag and straw are selected as the salt separating material

and the depth of the salt separation is 60 cm and organic fertilizer can be used as ameliorants.

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