|本期目录/Table of Contents|

[1]沈昀,韩冷,曹佳倩,等.4种水生植物修复对盐碱土壤理化性质、酶活性和微生物群落组成的影响[J].江苏农业科学,2022,50(23):199-205.
 ShenYun,et al.Influence of four aquatic phytoremediation on soil physicochemical properties,enzyme activities and microbial community composition in saline soils[J].Jiangsu Agricultural Sciences,2022,50(23):199-205.
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4种水生植物修复对盐碱土壤理化性质、酶活性和微生物群落组成的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第23期
页码:
199-205
栏目:
资源与环境
出版日期:
2022-12-05

文章信息/Info

Title:
Influence of four aquatic phytoremediation on soil physicochemical properties,enzyme activities and microbial community composition in saline soils
作者:
沈昀1韩冷2曹佳倩1徐康伟1
1.江苏农牧科技职业学院,江苏泰州 225300; 2.金陵科技学院,江苏南京 211169
Author(s):
ShenYunet al
关键词:
水生植物修复土壤微生物群落结构土壤性质冗余分析
Keywords:
-
分类号:
X171.4;X173
DOI:
-
文献标志码:
A
摘要:
土壤盐渍化是制约植物生长和农业生产力的主要因子之一,植物修复是改良盐碱地的重要手段。为研究不同水生植物修复对盐渍土壤性质及土壤微生物的影响,探索了芦苇(LL)、香蒲(XP)、芦竹(LZ)、纸莎草(ZSC)4种水生植物修复对土壤理化性质、酶活性和土壤微生物群落组成的影响。结果表明,所有植物修复处理(LL、XP、LZ、ZSC)均显著降低了土壤pH值、总盐度(TS)和土壤容重(BD),同时增加了有机质(OM)、速效氮(AN)、全钾(TK)含量以及土壤孔隙率(TPOR)等6个土壤理化指标。此外,所有植物修复处理均增加了亚硝酸还原酶(Nir)活性,降低了脲酶(Ure)活性。16S rRNA高通量测序表明,除LZ处理外,其他植物修复处理改变了微生物群落组成,显著提高了群落多样性。非度量多维尺度分析(NMDS)表明,除LZ处理与CK未明显分离外,其他处理间均明显分离。冗余分析(RDA)表明,TK含量、pH值、BD、TS、AN含量、OM含量、Nir活性,木质素过氧化物酶(Lip)活性是影响细菌群落结构的关键环境因子。综上,水生植物修复可有效改善盐碱土壤的理化性质及土壤酶活性;除芦竹外,微生物群落发生显著变化,其中香蒲、芦苇是修复盐碱地的较佳选择。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2022-01-23
基金项目:江苏农牧科技职业学院科研项目(编号:NSF2021RK04);江苏农牧科技职业学院大学生创新创业训练计划(编号:202112806135Y)。
作者简介:沈昀(1986—),女,江苏泰州人,硕士,讲师,主要从事园林植物应用研究。E-mail:sy_jsmy@163.com。
更新日期/Last Update: 2022-12-05