Abstract
To enhance the benefits and ecological safety of tomato residue retention, this study evaluated the regulatory effects of conventional ambient temperature retention (CR) and solar high-temperature retention (TR) on the initial soil environment and rhizosphere microecology of subsequent crops (continuous tomato and rotational cucumber). The results showed that CR promoted the accumulation of humic acid and increased the contents of phenolic acids and small-molecule organic acids in the soil. TR also increased small-molecule organic acids but primarily enriched fulvic acid, accompanied by higher concentrations of phenolic acids. Regarding microecological responses, CR enriched potential plant-growth-promoting bacteria (Pseudomonas, Sphingomonas, Lysobacter) in the rhizosphere, but it also increased the relative abundance of the potential pathogen Fusarium. In contrast, TR promoted the colonization of heat-tolerant beneficial biocontrol microbes (Bacillus, Chaetomium, Mycothermus), with no Fusarium enrichment observed. Redundancy analysis and Mantel tests revealed that the changes in soil nutrients and organic acid fractions induced by residue retention were correlated with the succession of the rhizosphere microbial community and the reconstruction of the metabolic profile. This study demonstrates that TR can effectively mitigate the risk of pathogen enrichment associated with ambient temperature retention, constructing a potentially disease-suppressive initial microecological environment for subsequent crops.
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Claims 15
Claim · model-written summary
CR promoted soil humic acid accumulation and increased phenolic and small-molecule organic acids.
Not reportedTaxonComparator
Verbatim
e0“The results showed that CR promoted the accumulation of humic acid and increased the contents of phenolic acids and small-molecule organic acids in the soil.”
Claim · model-written summary
CR increased soil phenolic and small-molecule organic acids.
- Treatment
- CRe0
- Outcome
- contents of phenolic acids and small-molecule organic acids in the soile0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“CR promoted the accumulation of humic acid and increased the contents of phenolic acids and small-molecule organic acids in the soil.”
Claim · model-written summary
TR increased small-molecule organic acids.
Not reportedTaxonComparator
Verbatim
e0“TR also increased small-molecule organic acids but primarily enriched fulvic acid, accompanied by higher concentrations of phenolic acids.”
Claim · model-written summary
TR primarily enriched fulvic acid.
Not reportedTaxonComparator
Verbatim
e0“TR also increased small-molecule organic acids but primarily enriched fulvic acid, accompanied by higher concentrations of phenolic acids.”
Claim · model-written summary
TR was accompanied by higher phenolic acid concentrations.
Not reportedTaxonComparator
Verbatim
e0“TR also increased small-molecule organic acids but primarily enriched fulvic acid, accompanied by higher concentrations of phenolic acids.”
Claim · model-written summary
CR enriched Pseudomonas in the rhizosphere.
- Taxon
- Pseudomonas
Pseudomonase0 - Organ / stage
- rhizospheree0
- Treatment
- CRe0
- Outcome
- potential plant-growth-promoting bacteriae0
- Direction
- enrichede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CR enriched potential plant-growth-promoting bacteria (Pseudomonas, Sphingomonas, Lysobacter) in the rhizosphere”
Claim · model-written summary
CR enriched Sphingomonas in the rhizosphere.
- Taxon
- Sphingomonas
Sphingomonase0 - Treatment
- CRe0
- Outcome
- potential plant-growth-promoting bacteriae0
- Direction
- enrichede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CR enriched potential plant-growth-promoting bacteria (Pseudomonas, Sphingomonas, Lysobacter) in the rhizosphere”
Claim · model-written summary
CR enriched Lysobacter in the rhizosphere.
- Taxon
- Lysobacter
Lysobactere0 - Treatment
- CRe0
- Outcome
- potential plant-growth-promoting bacteriae0
- Direction
- enrichede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CR enriched potential plant-growth-promoting bacteria (Pseudomonas, Sphingomonas, Lysobacter) in the rhizosphere”
Claim · model-written summary
CR increased relative abundance of potential pathogen Fusarium.
FusariumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CR enriched potential plant-growth-promoting bacteria (Pseudomonas, Sphingomonas, Lysobacter) in the rhizosphere, but it also increased the relative abundance of the potential pathogen Fusarium.”
Claim · model-written summary
TR promoted Bacillus colonization.
Not reportedComparator
Verbatim
e0“TR promoted the colonization of heat-tolerant beneficial biocontrol microbes (Bacillus, Chaetomium, Mycothermus), with no Fusarium enrichment observed.”
Claim · model-written summary
TR promoted Chaetomium colonization.
- Taxon
- Chaetomium
Chaetomiume0 - Treatment
- TRe0
- Outcome
- colonizatione0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TR promoted the colonization of heat-tolerant beneficial biocontrol microbes (Bacillus, Chaetomium, Mycothermus), with no Fusarium enrichment observed.”
Claim · model-written summary
TR promoted Mycothermus colonization.
- Taxon
- MycothermusMycothermuse0
- Treatment
- TRe0
- Outcome
- colonizatione0
- Direction
- promotede0
Not reportedComparator
Verbatim
e0“TR promoted the colonization of heat-tolerant beneficial biocontrol microbes (Bacillus, Chaetomium, Mycothermus), with no Fusarium enrichment observed.”
Claim · model-written summary
No Fusarium enrichment was observed under TR.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TR promoted the colonization of heat-tolerant beneficial biocontrol microbes (Bacillus, Chaetomium, Mycothermus), with no Fusarium enrichment observed.”
Claim · model-written summary
Soil nutrient and organic acid changes correlated with community succession and metabolic reconstruction.
- Treatment
- changes in soil nutrients and organic acid fractionse0
- Outcome
- succession of the rhizosphere microbial community and the reconstruction of the metabolic profilee0
Not reportedTaxonDirection
Verbatim
e0“the changes in soil nutrients and organic acid fractions induced by residue retention were correlated with the succession of the rhizosphere microbial community and the reconstruction of the metabolic profile.”
Claim · model-written summary
TR can mitigate pathogen enrichment risk and construct a potentially disease-suppressive environment.
Verbatim
e0“TR can effectively mitigate the risk of pathogen enrichment associated with ambient temperature retention, constructing a potentially disease-suppressive initial microecological environment for subsequent crops.”