Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.still.2021.105197 |
Subsoiling and conversion to conservation tillage enriched nitrogen cycling bacterial communities in sandy soils under long-term maize monoculture | |
Zhang, Huaying; Shi, Yichao; Dong, Yuxin; Lapen, David R.; Liu, Jinghui; Chen, Wen | |
通讯作者 | Liu, JH (corresponding author), Inner Mongolia Agr Univ, Coll Agron, Hohhot 10010, Peoples R China. ; Chen, W (corresponding author), Agr & Agri Food Canada, Ottawa Res & Dev Ctr, Sci & Technol Branch, 960 Carling Ave, Ottawa, ON K1A 0C6, Canada. |
来源期刊 | SOIL & TILLAGE RESEARCH
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ISSN | 0167-1987 |
EISSN | 1879-3444 |
出版年 | 2022 |
卷号 | 215 |
英文摘要 | Desertification degrades soil health and severely reduces crop productivity. Conventional tillage practices can amplify these problems in arid and semi-arid regions. For semi-arid regions in Inner Mongolia, China, the effects of introducing different tillage practices such as subsoiling (SS), straw mulching (SM), and no-tillage (NT) on otherwise long-term conventional tilled maize monoculture systems, were examined in the context of sandy soil bacterial and archaeal community diversity. Results showed that after three to four years of introduction, subsoiling and conversion to conservation tillage practices had no immediate effect on the alpha-diversity of the soil microbial communities. The beta-diversity of the soil microbial communities was less affected by the introduced tillage practices than by the growing season conditions, soil moisture, total nitrogen, soil macro-aggregate, and organic matter. Importantly, the introduced tillage practices had a notable effect on soil microbial communities associated with nitrogen (N) cycling processes, especially N fixation, nitrate reduction, nitrification, and denitrification. In particular, several years of tillage change from long-term conventional tillage enhanced the abundance of KEGG orthologs (KOs) associated with N fixation function involving species in Rhodoplanes, Nitrospira, Skermanella, and Rhizobium according to PICURSt prediction. Rhodoplanes spp. are involved in nitrate reduction and denitrification processes, and Nitrospira spp. associated with nitrite oxidization. We conclude that, for maize monoculture systems in semi-arid sandy soils, the soil bacterial and archaeal communities associated with many beneficial N cycling processes can be significantly impacted by only three to four years of introduced conservation and subsoiling tillage practices. |
英文关键词 | Aeolian sandy soil Bacterial community Maize yield Nitrogen cycling Tillage management |
类型 | Article |
语种 | 英语 |
开放获取类型 | hybrid |
收录类别 | SCI-E |
WOS记录号 | WOS:000707334000009 |
WOS关键词 | AMMONIA-OXIDIZING PROKARYOTES ; MICROBIAL COMMUNITIES ; WHEAT CULTIVATION ; CROP-ROTATION ; AGRICULTURAL MANAGEMENT ; RHIZOSPHERE MICROBIOME ; PHYSICAL-PROPERTIES ; DIVERSITY ; CARBON ; IMPACT |
WOS类目 | Soil Science |
WOS研究方向 | Agriculture |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/364703 |
作者单位 | [Zhang, Huaying; Dong, Yuxin; Liu, Jinghui] Inner Mongolia Agr Univ, Coll Agron, Hohhot 10010, Peoples R China; [Zhang, Huaying; Shi, Yichao; Lapen, David R.; Chen, Wen] Agr & Agri Food Canada, Ottawa Res & Dev Ctr, Sci & Technol Branch, 960 Carling Ave, Ottawa, ON K1A 0C6, Canada; [Zhang, Huaying] Hulunbuir Univ, Coll Agron & Forestry, Hailaer 021008, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Huaying,Shi, Yichao,Dong, Yuxin,et al. Subsoiling and conversion to conservation tillage enriched nitrogen cycling bacterial communities in sandy soils under long-term maize monoculture[J],2022,215. |
APA | Zhang, Huaying,Shi, Yichao,Dong, Yuxin,Lapen, David R.,Liu, Jinghui,&Chen, Wen.(2022).Subsoiling and conversion to conservation tillage enriched nitrogen cycling bacterial communities in sandy soils under long-term maize monoculture.SOIL & TILLAGE RESEARCH,215. |
MLA | Zhang, Huaying,et al."Subsoiling and conversion to conservation tillage enriched nitrogen cycling bacterial communities in sandy soils under long-term maize monoculture".SOIL & TILLAGE RESEARCH 215(2022). |
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