|Table of Contents|

Evaluation on Soil Fertility of Yellow River Saline Alkali Flat in Hejin Region of Shanxi

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年16
Page:
102-107
Research Field:
Publishing date:

Info

Title:
Evaluation on Soil Fertility of Yellow River Saline Alkali Flat in Hejin Region of Shanxi
Author(s):
QIAO Jun1; 2; REN Huiwen1; FEI Peng1; HUO Jinxian1; ZHAO Jianguo1; 2; 3; ZHAO Zemin1
(1.College of Chemistry and Chemical Engineering,Shanxi Datong University,Datong,Shanxi 037009;2.Key Laboratory of National Forest and Grass Administration for the Application of Graphene in Forestry,Datong,Shanxi 037009;3.Institute of Carbon Materials Science,Shanxi Datong University,Datong,Shanxi 037009)
Keywords:
soil fertility; saline alkali land; investigation; fuzzy comprehensive evaluation; Nemerow index method
PACS:
-
DOI:
10.11937/bfyy.20205076
Abstract:
In February 2020,four sample plots in Hejin saline alkali flats were selected and 20 sampling points were set up for soil sample collection.The four nutrient indicators of soil organic matter,total nitrogen,available phosphorus,and available potassium,as well as soil pH and total salt content were tested.In addition,the fuzzy comprehensive evaluation method and the improved Nemerow index method were used to evaluate the comprehensive soil fertility of Hejin saline alkali flat.In order to investigate the soil fertility of Yellow River saline alkali flat in Hejin region,Shanxi Province.The results showed that the soil of Hejin saline alkali flats was relatively alkaline but not high in salt content.The contents of organic matter,nitrogen,phosphorus,and potassium in the soil were low.The content of nutrient and total salt had significant surface aggregation in the vertical distribution.The values of membership functions of the indexes were small,revealed that total nitrogen,organic matter,and available potassium were the major limited soil fertility factors in this region.The integrated fertility index(IFI)of soil calculated by using the two evaluation methods was 0.240 and 0.262,respectively,which illustrated that the soil fertility in this region was at a low level.Therefore，it needs to take appropriate measures to improve the soil fertility in Hejin saline alkali flat.

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Last Update: 2021-12-03