Mixed organic and inorganic amendments enhance soil microbial interactions and environmental stress resistance of Tibetan barley on plateau farmland
文献类型： 外文期刊
作者： Guan, Xiangyu 1 ; Cheng, Zhen 1 ; Li, Yiqiang 1 ; Wang, Jinfeng 2 ; Zhao, Ruoyu 1 ; Guo, Zining 1 ; Zhao, Tingting 1 ; Huang, Liying 3 ; Qiu, Cheng 3 ; Shi, Wenyu 2 ; Jin, Song 4 ;
作者机构： 1.China Univ Geosci Beijing, Sch Ocean Sci, Beijing 100083, Peoples R China
2.China Agr Univ, Coll Food Sci & Nutr Engn, 17 Qinghuadong Rd, Beijing 100083, Peoples R China
3.Tibet Acad Agr & Anim Husb Sci, Inst Agr Qual Stand & Testing, Lhasa 850031, Peoples R China
4.Univ Wyoming, Dept Civil & Architectural Engn, Laramie, WY 82071 USA
5.17 Qinghuadong Rd, Beijing 100083, Peoples R China
关键词： Environmental adaption; Lignite -based soil amendment; Organic fertilizer; Soil microbiome; Plateau farmland
期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：8.7； 五年影响因子：8.4 ）
ISSN： 0301-4797
年卷期： 2023 年 330 卷
页码：
收录情况： SCI
摘要： Sufficient crop yield while maintaining soil health and sustainable agricultural development is a global objective, serving a special challenge to certain climate-sensitive plateau areas. Despite conducting trails on a variety of soil amendments in plateau areas, systematic research is lacking regarding the influences of organic and inorganic amendments on soil quality, particularly soil microbiome. To our knowledge, this was the first study that compared the effects of inorganic, organic, and mixed amendments on typical plateau crop hulless barley (Hordeum vulgare L. var. Nudum, also known as "Qingke" in Chinese) over the course of tillering, jointing, and ripening. Microbial communities and their responses to amendments, soil properties and Tibetan hulless barley growth, yield were investigated. Results indicated that mixed organic and inorganic amendments promoted the abundance of rhizosphere microorganisms, enhancing the rhizosphere root-microbes interactions and resistance to pathogenic bacteria and environmental stresses. The rhizosphere abundant and significantly different genera Arthrobacter, Rhodanobacter, Sphingomona, Nocardioides and so on demonstrated their unique adaptation to the plateau environment based on the results of metagenomic binning. The abundance of 23 genes about plant growth and environmental adaptations in the mixed amendment soil were significantly higher than other treatments. Findings from this study suggest that the mixed organic/inorganic amendments can help establish a healthy microbiome and increase soil quality while achieving sufficient hulless barley yields in Tibet and pre-sumably other similar geographic areas of high altitude.
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