Abstract
Paddy-upland rotation is an effective agricultural management practice for alleviating soil sickness. However, the effect of varying degrees of flooding on the soil microbial community and crop performance remains unclear. We conducted a pot experiment to determine the effects of two soil water content (SWC) and two flooding durations on the soil microbial community attributes and yield in cucumber. In the pot experiment, cucumber was rotated with cress single (45 days) or double (90 days) under 100 or 80% SWC. Then, the soil microbial were inoculated into sterilized soil to verified the relationship between cucumber growth and microorganisms. The results indicated single cress rotation resulted in a higher cucumber yield than double cress rotation and control. Cress rotation under 80% SWC had higher soil microbial diversity than cress rotation under 100% SWC and control. Flooding duration and SWC led to differences in the structure of soil microbial communities. Under 80% SWC, single cress rotation increased the relative abundance of potentially beneficial microorganisms, including Roseiflexus and Pseudallescheria spp., in cucumber rhizosphere. Under 100% SWC, single cress rotation increased the relative abundance of potentially beneficial bacteria, such as Haliangium spp., and decreased potential pathogenic fungi, such as Fusarium and Monographella spp., compared with double cress rotation and control. Varying degrees of flooding were causing the difference in diversity, structure and composition of soil microbial communities in the cucumber rhizosphere, which have a positive effect on cucumber growth and development.
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Claims 8
Claim · model-written summary
Single cress rotation increased cucumber yield relative to double rotation and control.
- Taxon
- cucumber
Cucumis sativuse0 - Treatment
- single cress rotatione0
- Outcome
- cucumber yielde0
- Direction
- highere0
- Comparator
- double cress rotation and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“single cress rotation resulted in a higher cucumber yield than double cress rotation and control”
Claim · model-written summary
At 80% SWC, cress rotation had higher soil microbial diversity than at 100% SWC and control.
- Taxon
- cucumberCucumis sativuse1
- Treatment
- Cress rotation under 80% SWCe0
- Outcome
- soil microbial diversitye0
- Direction
- highere0
- Comparator
- cress rotation under 100% SWC and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cress rotation under 80% SWC had higher soil microbial diversity than cress rotation under 100% SWC and control”
e1“single cress rotation resulted in a higher cucumber yield than double cress rotation and control”
Claim · model-written summary
Flooding duration and SWC changed soil microbial community structure.
- Taxon
- CucumberCucumis sativust0
- Treatment
- Flooding duration and SWCe0
- Outcome
- structure of soil microbial communitiese0
- Direction
- differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Flooding duration and SWC led to differences in the structure of soil microbial communities”
t0“Cucumber”
Claim · model-written summary
At 80% SWC, single cress rotation increased Roseiflexus abundance in the cucumber rhizosphere.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- single cress rotatione0
- Interactor
- RoseiflexusRoseiflexuse0symbiont
- Outcome
- relative abundance of potentially beneficial microorganismse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 80% SWC, single cress rotation increased the relative abundance of potentially beneficial microorganisms, including Roseiflexus and Pseudallescheria spp., in cucumber rhizosphere”
Claim · model-written summary
At 80% SWC, single cress rotation increased Pseudallescheria abundance in the cucumber rhizosphere.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- single cress rotatione0
- Interactor
- Pseudallescheria spp.Pseudallescheriae0symbiont
- Outcome
- relative abundance of potentially beneficial microorganismse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 80% SWC, single cress rotation increased the relative abundance of potentially beneficial microorganisms, including Roseiflexus and Pseudallescheria spp., in cucumber rhizosphere”
Claim · model-written summary
At 100% SWC, single cress rotation increased Haliangium abundance.
- Taxon
- CucumberCucumis sativust0
- Treatment
- single cress rotatione0
- Interactor
- Haliangium spp.Haliangiume0symbiont
- Outcome
- relative abundance of potentially beneficial bacteriae0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 100% SWC, single cress rotation increased the relative abundance of potentially beneficial bacteria, such as Haliangium spp.”
t0“Cucumber”
Claim · model-written summary
At 100% SWC, single cress rotation reduced Fusarium abundance relative to double rotation and control.
- Taxon
- CucumberCucumis sativust0
- Treatment
- single cress rotatione1
- Outcome
- potential pathogenic fungie0
- Direction
- decreasede0
- Comparator
- double cress rotation and controle0
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased potential pathogenic fungi, such as Fusarium and Monographella spp., compared with double cress rotation and control”
t0“Cucumber”
e1“single cress rotation resulted in a higher cucumber yield than double cress rotation and control”
Claim · model-written summary
At 100% SWC, single cress rotation reduced Monographella abundance relative to double rotation and control.
- Taxon
- CucumberCucumis sativust0
- Treatment
- single cress rotatione1
- Interactor
- Monographella spp.
Monographellae0pathogen - Outcome
- potential pathogenic fungie0
- Direction
- decreasede0
- Comparator
- double cress rotation and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased potential pathogenic fungi, such as Fusarium and Monographella spp., compared with double cress rotation and control”
t0“Cucumber”
e1“single cress rotation resulted in a higher cucumber yield than double cress rotation and control”
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