Variation of Soil Bacterial Communities during Lettuce Continuous Cropping

The variation of bacterial community in lettuce continuous cropping was determined by high throughput sequencing. During the continuous planting of lettuce, the richness and diversity of bacterial communities in the soil increased, and the ACE index and Chao index increased by 40.21 % and 36.91 %, respectively. The proportion of Actinobacteria, Chloroflexi, Firmicutes and Nitrospirae in the soil increased, while the abundance of Acidobacteria, Bacteroidetes, Gemmatimonadetes, Planctomycetes and Proteobacteria gradually declined. And the abundance in the soil accounting for 1 % of the dominant bacterial genera increased to 11, among them, Anaerolinea, Bacillus, Nitrosomonas, and Xanthomonas etc became the dominant bacterium genus in the soil after lettuce continuous cropping. After the lettuce had been planted 8 times, the yield decreased by 21.20 % compared to the first harvest. Lettuce continuous cropping had an effect on bacterial community and lettuce yield to some extent.

• Publication year

  2019

• Venue

  E3S Web of Conferences

• Publication date

  Unknown publication date

• Fields of study

  Agricultural and Food Sciences, Biology, Environmental Science

• Identifiers
  DOI 10.1051/e3sconf/201913101091
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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