|本期目录/Table of Contents|

[1]谭智勇,王喜英,赵辉,等.改良剂对酸性植烟土壤化学性质、细菌群落结构和丰度的影响[J].江苏农业科学,2023,51(16):240-246.
 Tan Zhiyong,et al.Impacts of amendments on chemical properties and bacterial community structure and abundance in acid tobacco-planting soils[J].Jiangsu Agricultural Sciences,2023,51(16):240-246.
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改良剂对酸性植烟土壤化学性质、细菌群落结构和丰度的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第16期
页码:
240-246
栏目:
资源与环境
出版日期:
2023-08-20

文章信息/Info

Title:
Impacts of amendments on chemical properties and bacterial community structure and abundance in acid tobacco-planting soils
作者:
谭智勇1 王喜英1 赵辉1 刘杰2 艾永峰2 刘国权2
1.铜仁学院,贵州铜仁 554300; 2.贵州省烟草公司铜仁市公司,贵州铜仁 554300
Author(s):
Tan Zhiyonget al
关键词:
改良剂植烟土壤细菌实时荧光定量PCR高通量测序
Keywords:
-
分类号:
S156.2
DOI:
-
文献标志码:
A
摘要:
研究不同改良剂对酸性植烟土壤细菌群落结构和丰度的影响,从微生物角度为改良剂的筛选及推广应用提供科学依据。采用田间试验,应用荧光定量PCR和高通量测序技术,研究改良剂(T1,硅钙钾镁肥;T2,白云石粉;T3,硅钙钾镁肥+生物炭;T4,白云石粉+生物炭)处理下土壤细菌的丰度和群落结构的变化特征,并分析驱动土壤细菌群落结构变化的主要因素。结果表明,添加改良剂均显著提高了土壤pH值和细菌数量。T3处理细菌丰度最高,分别比CK、T1、T2、T4处理提高了61.29%、3.66%、17.89%、7.73%。施用改良剂显著增加了土壤细菌群落α多样性指数,以T3处理效果最明显。在门水平上,放线菌门、变形菌门、绿弯菌门、酸杆菌门为优势类群。其中,放线菌门、变形菌门、绿弯菌门的相对丰度在T3处理下显著高于对照。层次聚类和PCoA结果表明,不同改良剂处理的土壤细菌群落结构差异明显,其中T3、T4处理的群落结构相似,CK与其他处理间群落结构差异较大。土壤pH值和有机碳、速效磷、硝态氮含量是驱动土壤细菌数量和群落结构变化的主要因素。综合分析,硅钙钾镁肥+生物炭混施处理在缓解植烟土壤酸化、提高土壤细菌数量和群落多样性、促进烟株生长发育等方面效果最好。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2022-11-21
基金项目:贵州省烟草公司铜仁市公司科技项目(编号:2022-03);贵州省教育厅自然科学项目(编号:黔教合KY字[2019]175、黔教合KY字[2020]163);铜仁市科技局项目(编号:2021-77);铜仁学院硕士点及学科建设研究子项目(编号:trxyxwdxm-029)。
作者简介:谭智勇(1986—),男,湖南临澧人,博士,副教授,主要从事烟草科学与工程技术的研究。E-mail:328601771@qq.com。
通信作者:赵辉,博士,教授,主要从事土壤微生态及作物栽培研究。E-mail:yancao504@163.com。
更新日期/Last Update: 2023-08-20