农艺改良措施对银川北部盐碱地盐渍化特征的影响  

Effects of comprehensive agronomic improvement measures on salinity characteristics of saline-alkali land in northern Yinchuan

作　　者：高升 Gao Sheng(The General Extension Station of Agricultural Technologies of Ningxia,Yinchuan 750021,China)

机构地区：[1]宁夏农业技术推广总站,宁夏银川750001

出　　处：《农业科学研究》2022年第3期40-44,共5页Journal of Agricultural Sciences

基　　金：宁夏财政专项项目“银北地区百万亩盐碱地农艺改良”。

摘　　要：在宁夏银北灌区试验样地开展盐碱地农艺改良,调查土壤盐离子含量的变化,采用相关性分析法和主成分分析法,研究农艺改良对土壤盐渍化特征的影响。结果表明:持续的农艺改良使土壤Cl^(-)、Mg^(2+)、Na^(+)含量大幅降低,其危害作用明显减弱,脱盐效果显著。In order to explore the impact of comprehensive agronomic improvement measures on the changes of main harmful ions in soil salinization in northern Yinchuan of Ningxia for 2 consecutive years,the correlation analysis method and principal component analysis method were combined to analyze the changes of soil salinization characteristics before and after the agronomic improvement.The results showed that through the continuous comprehensive agronomic improvement measures,the desalination process of saline alkali land in northern Yinchuan was obvious,the contents of Cl-,Mg^(2+),Na^(+) which were the main hazards to the soil,were greatly reduced,the damage degree was significantly weakened,and the comprehensive improvement effect of agronomy was significant.

关 键 词：农艺改良 盐碱地 盐渍化 

分 类 号：S156.4[农业科学—土壤学]