干旱区生态环境知识资源中心(Arid): Influence of Alfalfa (Medicago sativa L.) at Various Growing Years on the Physico-chemical Properties and Microbiology of Irrigated Desert Soils

Arid

DOI	10.18805/LRF-676
	Influence of Alfalfa (Medicago sativa L.) at Various Growing Years on the Physico-chemical Properties and Microbiology of Irrigated Desert Soils
	Jiang, Lili; Shan, Huajia; Xu, Wei; Zhang, Wenxu
通讯作者	Shan, HJ
来源期刊	LEGUME RESEARCH
ISSN	0250-5371
出版年	2022
卷号	45 期号:6 页码:711-718
英文摘要	Background: The arid area of northwest China is the main producing area of alfalfa (Medicago sativa L.) characterized by low rainfall, low vegetation coverage and vulnerable ecosystem. However, there are still very few reports about the influence of alfalfa at various growing years on the physico-chemical properties and microbial community structure in typical northwestern irrigated desert soil. This study has important theoretical and practical guiding significance for providing reference and scientific evidence for local alfalfa industry development and protection of soil ecosystem to maintain efficient alfalfa production. Methods: The rhizosphere soils of Sanditi alfalfa and Longdong alfalfa were collected to assess the influence of alfalfa varieties, growing years and growth stages on the physico-chemical properties, microbial biomass and microbial community structure. There were four treatments in this experiment: 1. Sanditi alfalfa planted in 2015 (S1); 2. Sanditi alfalfa planted in 2016 (S2); 3. Sanditi alfalfa planted in 2017 (S3); 4. Longdong alfalfa planted in 2017 (LD). Result: Soil of all treatments had consistent pH at 8.11-8.45. The average soil organic matter content was 11.02 g . kg(-1), 11.43 g . kg(-1), 11.26 g. kg(-1) and 11.20 g. kg(-1) respectively for LD, S1, S2 and S3 (P>0.05). The total nitrogen content was 0.451 g. kg(-1), 0.468 g. 0.437 g. kg(-1) and 0.428 g. kg(-1), respectively for growing seasons of LD, S1, S2 and S3 (P>0.05). The results suggested that alfalfa cropping did not significantly influence the soil organic matter content in 3 years. S1 significantly changed the ratio of fungal to bacterial typical fatty acids, which was significantly higher than S3 and LD, but insignificantly higher than S2. Continuous cropping of alfalfa in arid area affected the diversity of the fungi community and reduced soil bacterial community richness and diversity.
英文关键词	Alfalfa Irrigated desert soil Microbial community structure Soil nutrients
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000814497800008
WOS关键词	SEMIARID REGION ; BACTERIAL ; LAND ; COMMUNITIES ; CARBON
WOS类目	Agronomy
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/2XILL650/393747
推荐引用方式 GB/T 7714	Jiang, Lili,Shan, Huajia,Xu, Wei,et al. Influence of Alfalfa (Medicago sativa L.) at Various Growing Years on the Physico-chemical Properties and Microbiology of Irrigated Desert Soils[J],2022,45(6):711-718.
APA	Jiang, Lili,Shan, Huajia,Xu, Wei,&Zhang, Wenxu.(2022).Influence of Alfalfa (Medicago sativa L.) at Various Growing Years on the Physico-chemical Properties and Microbiology of Irrigated Desert Soils.LEGUME RESEARCH,45(6),711-718.
MLA	Jiang, Lili,et al."Influence of Alfalfa (Medicago sativa L.) at Various Growing Years on the Physico-chemical Properties and Microbiology of Irrigated Desert Soils".LEGUME RESEARCH 45.6(2022):711-718.