干旱区研究

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2014 , Vol. 31 >Issue 6: 1010 - 1016

DOI: https://doi.org/10.13866/j.azr.2014.06.05

水土资源

基于层次分析和模糊数学法的公乌素土壤质量评价

  • 赵振亚 ,
  • 姬宝霖 ,
  • 宋小园 ,
  • 左舒扬 ,
  • 许可
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  • 内蒙古农业大学,内蒙古 呼和浩特 010018
赵振亚(1987-),男,博士研究生,主要从事农业水土环境研究. E-mail:zhaozhenya123456@126.com
姬宝霖. E-mail:13904713097@139.com

收稿日期: 2013-11-26

  修回日期: 2014-01-01

  网络出版日期: 2014-11-25

基金资助

国家自然科学基金项目(50469001)

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AHP and Fuzzy Mathematics based Soil Quality Evaluation in Gongwusu

  • ZHAO Zhen-ya ,
  • JI Bao-lin ,
  • SONG Xiao-yuan ,
  • ZUO Shu-yang ,
  • XU Ke
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  • Inner Mongolia Agricultural University, Hohhot 010018, Inner Mongolia, China

Received date: 2013-11-26

  Revised date: 2014-01-01

  Online published: 2014-11-25

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摘要

以公乌素引洪灌区为研究区域,对公乌素引洪淤地工程改良土壤肥力进行综合评价,确定引洪灌区不同淤积部位耕地地力等级。采用层次分析法确定各指标权重(运用Excle计算,简化了传统的计算模式),使得权重区分度更加明显;应用AHP-模糊综合评价方法,结合不同淤地部位的土壤剖面样品分析,得到有机质、碱解氮、速效磷、有效钾、全氮、全磷、全钾等理化性质指标,并对其进行综合评价。评价结果表明:未经过高含沙洪水淤地(风沙地)土壤肥力指数较低,为0.258 6,经过一次淤地的土壤(新淤地)上游段为0.540 3,中游段为0.383 4,下游段为0.387 8;根据耕地地力等级的划分,确定风沙地属Ⅳ级,新淤地的中游和下游属Ⅳ级,新淤地上游属Ⅲ级。

关键词： 引洪淤地; 土壤养分; 土壤质量; 等级划分; 公乌素; 鄂尔多斯高原

本文引用格式

赵振亚 , 姬宝霖 , 宋小园 , 左舒扬 , 许可 . 基于层次分析和模糊数学法的公乌素土壤质量评价[J]. 干旱区研究, 2014 , 31(6) : 1010 -1016 . DOI: 10.13866/j.azr.2014.06.05

Abstract

This research comprehensively evaluated the soil fertility of the controlled flooding irrigation silt in Gongwusu and thereafter determined the plantation productivities of different silt levels. The weight of the index was determined by analytical hierarchy process (AHP) (in MS Excel). The physical-chemical characteristics of the silt soil such as organic matter, alkali-hydro N, available P, available K, total N, total P, total K etc were obtained and tested by using AHP and Fuzzy mathematics method combined with soil sample analysis at the different silt levels. The results showed that the soil fertility index was 0.258 6 in the wind-sandy land which had no controlled flooding irrigation. The soil fertility indexes of the silt soil with once controlled flooding irrigation were 0.540 3, 0.383 4 and 0.387 8 in the upper, middle and lower reaches in area. Therefore, silt soils in the controlled flooding irrigation areas were classified into different levels according to the soil fertilities.

Key words： controlled flooding irrigation; soil nutrient; soil quality; grade division; Gongwusu; Ordos Plateau

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