Abstract
Crop replanting leads to soil degradation and soil productivity reduction, which is a challenge for sustainable agricultural development. We previously found that silicon fertilizers combined with additional microbial agents are an effective means to alleviate problems that occur in a variety of Chinese lily during replanting, but little is known about the changes in microbial structure during this process. In the present study, we applied four treatments: CK (control), SF (silicon fertilizer), MF (microbial agents), and SMF (combination of silicon fertilizer and microbial agents). We treated the soil constantly for three years and investigated the bacterial community structure and some specific microbial groups in the soil of the lily root zone using 16S rRNA high-throughput sequencing analysis. The results showed that silicon fertilizer and microbial agent treatment significantly improved the growth status of the plants and changed the diversity and structure of the bacterial community in the soil. The genus Pseudomonas significantly increased in the SF treatment, and the phylum Actinobacteria and the genera Nordella, Devosia, and Rhodoplanes significantly increased in the SMF treatment. The genera Nordella, Pedomicrobium, and Chthoniobacter correlated with the seedling index or available silicon content. In addition, the two genera Gaiella and Nocardioides were the key species linking the bacterial community in the soil. The soil physicochemical properties played an important role in restoring the soil bacterial community structures. In conclusion, silicon fertilizer and microbial agents changed the diversity and structure of the bacterial community. Under the fertilizer supplement model, the enrichment of the phylum Actinobacteria and the genus Pseudomonas played an important role in improving soil health and alleviating CRPs in lilies. In addition, organic matter, available phosphorus, available potassium, and available silicon were found to be the most important factors that have a great impact on the restoration of bacterial community structures.
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Claims 10
Claim · model-written summary
Silicon fertilizer and microbial agents significantly improved lily growth status.
- Treatment
- silicon fertilizer and microbial agent treatmente0
- Outcome
- growth status of the plantse0
- Direction
- improvede0
LiliumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“silicon fertilizer and microbial agent treatment significantly improved the growth status of the plants”
t0“Lilies”
Claim · model-written summary
Silicon fertilizer and microbial agents changed root-zone bacterial community diversity and structure.
- Treatment
- silicon fertilizer and microbial agent treatmente0
- Outcome
- diversity and structure of the bacterial community in the soile0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“silicon fertilizer and microbial agent treatment significantly improved the growth status of the plants and changed the diversity and structure of the bacterial community in the soil.”
t0“Lilies”
Claim · model-written summary
Pseudomonas increased significantly under SF treatment.
- Treatment
- SF treatmente0
- Interactor
- Pseudomonas
Pseudomonase0other - Outcome
- genus Pseudomonase0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genus Pseudomonas significantly increased in the SF treatment”
t0“Lilies”
Claim · model-written summary
Actinobacteria increased significantly under SMF treatment.
- Treatment
- SMF treatmente0
- Interactor
- ActinobacteriaActinomycetotae0other
- Outcome
- phylum Actinobacteriae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the phylum Actinobacteria and the genera Nordella, Devosia, and Rhodoplanes significantly increased in the SMF treatment.”
t0“Lilies”
Claim · model-written summary
Nordella, Devosia, and Rhodoplanes increased significantly under SMF treatment.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the phylum Actinobacteria and the genera Nordella, Devosia, and Rhodoplanes significantly increased in the SMF treatment.”
t0“Lilies”
Claim · model-written summary
Nordella, Pedomicrobium, and Chthoniobacter correlated with seedling index or available silicon content.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genera Nordella, Pedomicrobium, and Chthoniobacter correlated with the seedling index or available silicon content.”
t0“Lilies”
Claim · model-written summary
Gaiella and Nocardioides were key links in the soil bacterial community.
- Outcome
- key species linking the bacterial community in the soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the two genera Gaiella and Nocardioides were the key species linking the bacterial community in the soil.”
t0“Lilies”
Claim · model-written summary
Soil physicochemical properties played an important role in restoration of soil bacterial community structures.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil physicochemical properties played an important role in restoring the soil bacterial community structures.”
t0“Lilies”
Claim · model-written summary
Enrichment of Actinobacteria and Pseudomonas was implicated in improving soil health and alleviating lily replant problems.
- Outcome
- improving soil health and alleviating CRPse0
- Qualifier
- enrichment of the phylum Actinobacteria and the genus Pseudomonase0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the enrichment of the phylum Actinobacteria and the genus Pseudomonas played an important role in improving soil health and alleviating CRPs in lilies.”
Claim · model-written summary
Organic matter, available phosphorus, available potassium, and available silicon were the most important factors for restoring bacterial community structures.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“organic matter, available phosphorus, available potassium, and available silicon were found to be the most important factors that have a great impact on the restoration of bacterial community structures.”
t0“Lilies”
The same questions in other papers
fertilization · growth · LiliumPositive and negative results
16 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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See all 18 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.