期刊
AGRICULTURE-BASEL
卷 11, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/agriculture11020108
关键词
rice straw; Chinese cabbage; Plasmodiophora brassicae; clubroot; soil chemical properties; soil bacterial community
类别
资金
- China Agricultural Research System [CARS23-B-10]
- Collaborative Innovation Extension System of Modern Agricultural (Vegetables) Industrial Technology in Heilongjiang Province [HNWJZTX201701]
The study found that repeated application of rice straw can improve soil properties, suppress soil-borne diseases, and alter bacterial community composition.
Straw amendment can improve soil properties and is an effective strategy to control soil-borne diseases. However, gramineous straw application to vegetable fields has rarely been studied. In this study, rice straw was added to the field of Chinese cabbage for one or two years (repeated), and Chinese cabbage plant growth, disease occurrence and changes in soil chemical properties were measured. In addition, the bacterial community composition of Chinese cabbage was analyzed using Illumina MiSeq sequencing. Results showed that rice straw application increased the content of available nutrients, pH and electrical conductivity, but decreased the diversity and richness of the bacterial community. The relative abundances of Acidobacteria and Chloroflexi were increased after repeated rice straw application, which were associated with the available potassium and pH in the soil. Network analysis revealed that rice straw amendment differentially affected the key bacterial genera. These results suggest that repeated application of rice straw changed the soil chemical properties and altered the bacterial community composition to suppress the clubroot disease incidence in Chinese cabbage.Y
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