Effect of Phragmites communis on Salt Modification in Salinealkaline Soil

2nd International Symposium on Resource Exploration and Environmental Science

生态环境科学

Ge, Lei^1,2,3,4 ; Li, Juan^1,2,3,4 ; Li, Ling^2 ; Wu, Linchuan^1,2,3,4

Shaanxi Provincial Land Engineering Construction Group Co., Ltd., Xi'an

710075, China^1

Institute of Land Engineering and Technology, Shaanxi Provincial Land Engineering Construction Group Co., Ltd., Xi'an

710075, China^2

Key Laboratory of Degraded and Unused Land Consolidation Engineering, Ministry of Land and Resources, Xi'an

710075, China^3

Shaanxi Provincial Land Consolidation Engineering Technology Research Center, Xi'an

710075, China^4

关键词: Bottom layers;    Different soils;    Distribution characteristics;    Growing season;    Growth and development;    Phragmites communis;    Saline -Alkaline soils;    Soil organic matters;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/170/3/032086/pdf
DOI  :  10.1088/1755-1315/170/3/032086

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

In order to study the influence of reed on the salinity improvement and distribution in saline soils, the distribution characteristics of pH, conductivity, organic matter and salinity of different soil layers before and after reed planting and single growing season were measured. The results showed that after six years of improvement, the reed on the 6 kinds of salts in the improvement of the effect more than 60%. The change of soil pH and conductivity was consistent. With the growth and development of reed, the pH value and conductivity of the surface soil decreased significantly, while the middle layer has no changed.The content of soil organic matter in saline soil was significantly higher than that in middle and bottom layers, and the content of soil organic matter increased significantly with the initial 8.95 g kg-1 to 11.80 g kg-1, while the soil organic matter changed in the middle and bottom soil was small. The salt the saline soil was significantly higher than that in the middle and bottom layers. The effect on the salt improvement of the surface soil was the best during the reed whole growth period.