[1]李丹,李小霞,李万星,等.谷子不同轮作模式对土壤理化性质及细菌群落的影响[J].江苏农业学报,2022,38(06):1500-1509.[doi:doi:10.3969/j.issn.1000-4440.2022.06.007]
 LI Dan,LI Xiao-xia,LI Wan-xing,et al.Effects of crops-millet rotations on soil physicochemical properties and bacterial community[J].,2022,38(06):1500-1509.[doi:doi:10.3969/j.issn.1000-4440.2022.06.007]
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谷子不同轮作模式对土壤理化性质及细菌群落的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年06期
页码:
1500-1509
栏目:
耕作栽培·资源环境
出版日期:
2022-12-31

文章信息/Info

Title:
Effects of crops-millet rotations on soil physicochemical properties and bacterial community
作者:
李丹1李小霞1李万星1曹晋军1靳鲲鹏1韩文清1胡丹珠1刘鑫1田岗1黄学芳2刘永忠1
(1.山西农业大学谷子研究所,山西长治046000;2.山西农业大学山西有机旱作农业研究院,山西太原030000)
Author(s):
LI Dan1LI Xiao-xia1LI Wan-xing1CAO Jin-jun1JIN Kun-peng1HAN Wen-qing1HU Dan-zhu1LIU Xin1TIAN Gang1HUANG Xue-fang2LIU Yong-zhong1
(1.Institute of Millet, Shanxi Agricultural University, Changzhi 046000, China;2.Shanxi Institute of Organic Dryland Farming, Shanxi Agricultural University, Taiyuan 030000, China)
关键词:
谷子轮作模式土壤容重水稳性团聚体土壤肥力细菌群落结构
Keywords:
milletrotation patternsoil bulk densitywater-stable aggregatessoil fertilitybacterial community structure
分类号:
S515
DOI:
doi:10.3969/j.issn.1000-4440.2022.06.007
文献标志码:
A
摘要:
为筛选出适宜晋东南山区谷子的最佳轮作模式,本研究设置谷子-玉米-大豆-谷子(SZGm)、谷子-玉米-高粱-谷子(SZSb)、谷子-玉米-花生-谷子(SZAh)、谷子-玉米-甘薯-谷子(SZLb)、谷子-玉米-马铃薯-谷子(SZSt)、谷子-玉米-玉米(糯)-谷子(SZZm)、谷子连作(SSSi)7个处理,以谷子连作为对照,用Illumina Miseq高通量测序技术对土壤细菌进行土壤微生物群落结构、多样性分析,同时测定土壤的理化性质和肥力变化。结果表明,轮作可以降低土壤容重,改变土壤团聚体径粒组成和稳定性,影响土壤肥力。细菌群落结构分析结果显示,Proteobacteria、Actinobacteria为优势菌门,且7个处理具有相似的群落组成,但在比例上存在一定差异。细菌多样性分析结果表明,不同轮作模式会改变土壤微生物群落结构。综合土壤物理、肥力指标的主成分分析(PCA)结果,7个轮作模式处理综合得分从高到低为SZZm>SSSi>SZSb>SZGm>SZLb>SZAh>SZSt。因此,认为谷子-玉米-玉米(糯)-谷子是使土壤保持健康生态的最佳轮作模式。
Abstract:
In order to screen out the best rotation mode suitable for millet in the mountainous area of southeastern Shanxi, seven treatments were set up, namely millet-maize-soybean-millet (SZGm), millet-maize-sorghum-millet (SZSb), millet-maize-peanut-millet (SZAh), millet-maize-sweet potato-millet (SZLb), millet-maize-potato-millet (SZSt), millet-maize-maize (waxy)-millet (SZZm) and millet continuous cropping (SSSi), with millet continuous cropping as control. The soil microbial community structure and diversity were analyzed by Illumina Miseq high-throughput sequencing technology. At the same time, the changes of soil physicochemical properties and fertility were measured. The results showed that rotation could reduce soil bulk density, change the particle size and stability of soil aggregates, and influence soil fertility. The results of bacterial community structure showed that Proteobacteria and Actinobacteria were the dominant phyla. The seven treatments had similar community composition, but there were some differences in proportion. The bacterial diversity results indicated that different rotation patterns could change the microbial community structure in soil. Based on the principal component analysis (PCA) results of soil physical and fertility indicators, the comprehensive scores of the seven treatments from high to low were SZZm>SSSi>SZSb>SZGm>SZLb>SZAh>SZSt. Therefore, it is considered that millet-maize-maize (waxy)-millet is the best rotation mode to keep the soil healthy and ecological.

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备注/Memo

备注/Memo:
收稿日期:2022-09-30基金项目:国家重点研发计划项目(2021YFD1901105-5);山西省科技重大专项计划“揭榜挂帅”项目(202101140601026-5);山西农业大学学术恢复科研专项项目(2020xshf48);山西省重点研发计划重点项目子课题(201703D211002-4)作者简介:李丹(1989-),女,山西长治人,硕士,助理研究员,主要从事有机旱作技术以及大豆育种与栽培技术研究。(E-mail)381934231@qq.com通讯作者:刘永忠,(E-mail)kblyz@163.com
更新日期/Last Update: 2023-01-13