| Cite this article: | 马贵仁,王丽萍,屈忠义,等.河套灌区大规模盐碱地改良效果评估指标体系的构建[J].灌溉排水学报,2020,(5):-. |
| maguiren,wangliping,quzhongyi,et al.河套灌区大规模盐碱地改良效果评估指标体系的构建[J].灌溉排水学报,2020,(5):-. |
|
| |
|
|
| This article has been：Browse 2900Times Download 0Times |
|
|
|
| DOI： |
|
| Construction of evaluation index system for the improvement effect of large-scale saline-alkali land in Hetao irrigated area |
|
maguiren, wangliping, quzhongyi, jiayonglin, wangyuhan
|
|
School of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University
|
| Abstract: |
| Abstract:【Objective】In order to establish a scientific, systematic and practical large-scale saline-alkali land improvement effect evaluation index system, for the river cover irrigation area saline-alkali area improvement assessment work to provide a basis.【Methods】Relying on the 50,000 acres test demonstration project in Longxingchang Town, Wuyuan County, through combing the different subject units involved in the improvement of salt-alkali land starting point and expected effect, to classify it, for its equipped with reasonable, effective and economically feasible evaluation indicators, The weight of the evaluation index system of salt-alkali improvement effect was determined by the improved Delphi method, and the rules of the sub-target empowerment scoring method were constructed to realize the construction of the evaluation index system for different evaluation targets and different object groups.【Results】The main units involved in the implementation of the project are divided into the following three categories:①Enterprises that apply soil improvement products or models to demonstrate improved results,②Scientific research institutes that experiment and control new improved products and methods, ③Enterprises that carry out business activities on large-scale land transfer. Combined with the three main units to develop two types of evaluation system: The first type of system service object for the application of soil improvement products or models to show the improvement effect of enterprises, which is to different degrees of salinized soil improvement effect assessment, the second type of system service object for scientific research institutes, circulation enterprises, to these units of the annual target of the assessment of the degree of achievement. Both systems set up four first-level indicators and eight second-level indicators. The weight coefficient, score base value and scoring unit of each indicator are determined by using the improved Delphi method.【Conclusion】The evaluation system constructed in this study can provide reference and basis for the evaluation of large-scale saline-alkali land improvement effect in river cover irrigation area. |
| Key words: saline-alkali improvement; improved Delphi method; evaluation system; evaluation indicators; weight |
|
|
|
|
|
|
