ORIGINAL RESEARCH
Halophyte Planting Improves Saline-Alkali Soil
and Brings Changes in Physical and Chemical
Properties and Soil Microbial Communities
1
Agricultural College, Ningxia University, Ningxia Hui Autonomous Region, 750021, China
2
Northwest Land Degradation and Ecological Restoration of State Key Laboratory Cultivation Base,
College of Ecological Environment, Ningxia University, Ningxia Hui Autonomous Region, 750021, China
3
National Wolfberry Engineering Research Center, Ningxia Academy of Agriculture and Forestry Sciences,
Ningxia Hui Autonomous Region, 750021, China
Submission date: 2020-09-24
Final revision date: 2021-01-05
Acceptance date: 2021-03-08
Online publication date: 2021-09-17
Publication date: 2021-09-22
Pol. J. Environ. Stud. 2021;30(5):4767-4781
KEYWORDS
TOPICS
ABSTRACT
In this study, 5 kinds of halophytes were used to improve the saline-alkali soil, including Panicum
virgatum L. (SG), Achnatherum splendens (Trin.) Nevski (AS), Leymus chinensis (Trin.) Tzvel. (CG),
Sphaerophysa salsula (Pall.) DC. (SS), and Sophora alopecuroides L. (SA). The soil bacteria 16S RNA
amplicon sequencing was performed by an Illumina Miseq platform. Planting of halophytes increases
the content of organic matter, total nitrogen, total phosphorus, available phosphorus, and alkalihydrolyzed
nitrogen in the soil. Sphaerophysa salsula (Pall.) DC. (Sphaerophysa salsula) has the most
significant improvement effect on saline-alkali land. In soil, Proteobacteria play a crucial role in the
degradation of soil organic matter, which may be an important factor in improving saline-alkali soil.
Besides, root exudates of halophytes might promote Proteobacteria growth, especially in Sphaerophysa
salsula (Pall.) DC. and Sophora alopecuroides L. (Sophora alopecuroides). Halophyte planting has
a significant impact on the restoration of saline-alkali soil.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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