Cow manure application effectively regulates the soil bacterial community in tea plantation

BMC Microbiology

article

Zhang, Shuning¹  Ding, Zhaotang¹  Sun, Litao¹  Wang, Yu¹  Fan, Kai¹  Xu, Qingshan²  Li, Yusheng³  Ma, Qingping⁴  Wang, Jiguo⁵  Ren, Wanming⁶ 

[1] Tea Research Institute, Qingdao Agricultural University;College of Horticulture, Northwest A & F University;Fruit and Tea Technology Extension Station;College of Agriculture, Liaocheng University;Rizhao Agricultural Technology Service Center;Modern Agricultural And Rural Development Research Center Of Shandong Province

关键词: Camellia sinensis (L.) O;    Kuntze;    Cow manure;    Bacterial community;    Tea plantation soil;   

DOI  :  10.1186/s12866-020-01871-y

学科分类：放射科、核医学、医学影像

来源: BioMed Central

【 摘 要 】

Cow manure is not only an agricultural waste, but also an organic fertilizer resource. The application of organic fertilizer is a feasible practice to mitigate the soil degradation caused by overuse of chemical fertilizers, which can affect the bacterial diversity and community composition in soils. However, to our knowledge, the information about the soil bacterial diversity and composition in tea plantation applied with cow manure fertilization was limited. In this study, we performed one field trial to research the response of the soil bacterial community to cow manure fertilization compared with urea fertilization using the high-throughput sequencing technique of 16S rRNA genes, and analyzed the relationship between the soil bacterial community and soil characteristics during different tea-picking seasons using the Spearman’s rank correlation analysis. The results showed that the soil bacterial communities were dominated by Proteobacteria, Bacteroidetes, Acidobacteria and Actinobacteria across all tea-picking seasons. Therein, there were significant differences of bacterial communities in soils with cow manure fertilization (CMF) and urea fertilization (UF) in three seasons: the relative abundance of Bacteroidetes in CMF was significantly higher than that in UF and CK in spring, and the relative abundance of Proteobacteria and Bacteroidetes in CMF was significantly higher than that in UF and CK in autumn. So, the distribution of the dominant phyla was mainly affected by cow manure fertilization. The diversity of bacterial communities in soils with cow manure fertilization was higher than that in soils with urea fertilization, and was the highest in summer. Moreover, soil pH, OM and AK were important environmental properties affecting the soil bacterial community structure in tea plantation. Although different fertilizers and seasons affect the diversity and structure of soil microorganisms, the application of cow manure can not only improve the diversity of soil bacteria, but also effectively regulate the structure of soil bacterial community in tea plantation. So, cow manure fertilization is more suitable for tea plantation.

【 授权许可】

CC BY|CC0