Abstract
A decreased soil biological environment in terms of an unstable microbial population and diversity index is primarily caused by intensive continuous cropping systems. In this study, a crop rotation system was established to evaluate the soil fungal diversity using a pyrosequencing-based analysis during three successive growing seasons (2013, 2014, and 2015) under a field pot investigation. We found that overall green garlic/cucumber rotational effects increased cucumber productivity under these growing practices. Analysis of fungal communities in rhizosphere soils by high-throughput pyrosequencing showed that the estimated treatment effects were more obvious during the three-year trials, and OTU richness was much higher than the control in cucumber-planted soils. The relative frequencies of fungal diversity showed variable responses before and after rotation practices, and mainly α-diversity of fungi increased in garlic planted soil and again decreased after cucumber planted soil in each year. The phylogenetic classification illustrated that the fungal communities were dominated by the taxa Ascomycota, Basidiomycota, Chytridiomycota, Glomeromycota, and Zygomycota across all samples. Particularly, the relative abundance of the taxon Ascomycota was largely and predominantly enriched with the increasing number of garlic bulbs during the three years. Moreover, the majority of abundant taxa positively correlated with available P and K contents, while being highly negatively correlated with soil pH, EC, and SOC. These results indicate that garlic-cucumber-based crop rotations induce fungal richness and diversity and promote the sustainability of agricultural ecosystems, thus enhancing crop growth and production.
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Claims 8
Claim · model-written summary
overall green garlic/cucumber rotational effects increased cucumber productivity
- Taxon
- Cucumber
Cucumis sativuse0 - Treatment
- green garlic/cucumber rotational effectse0
- Outcome
- cucumber productivitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“overall green garlic/cucumber rotational effects increased cucumber productivity”
Claim · model-written summary
OTU richness was much higher than the control in cucumber-planted soils
- Taxon
- CucumberCucumis sativuse0
- Outcome
- OTU richnesse0
- Direction
- highere0
- Comparator
- controle0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“OTU richness was much higher than the control in cucumber-planted soils”
Claim · model-written summary
α-diversity of fungi increased in garlic planted soil
- Taxon
- Garlic
Allium sativume0 - Outcome
- α-diversity of fungie0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“α-diversity of fungi increased in garlic planted soil”
Claim · model-written summary
α-diversity of fungi increased in garlic planted soil and again decreased after cucumber planted soil in each year
- Taxon
- CucumberCucumis sativuse0
- Treatment
- cucumber planted soile0
- Outcome
- α-diversity of fungie0
- Direction
- decreasede0
- Comparator
- garlic planted soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“α-diversity of fungi increased in garlic planted soil and again decreased after cucumber planted soil in each year”
Claim · model-written summary
the fungal communities were dominated by the taxa Ascomycota, Basidiomycota, Chytridiomycota, Glomeromycota, and Zygomycota across all samples
- Taxon
- CucumberCucumis sativust0
- Interactor
- AscomycotaAscomycotae0other
- Outcome
- fungal communitiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“the fungal communities were dominated by the taxa Ascomycota, Basidiomycota, Chytridiomycota, Glomeromycota, and Zygomycota across all samples”
Claim · model-written summary
the relative abundance of the taxon Ascomycota was largely and predominantly enriched with the increasing number of garlic bulbs during the three years
- Taxon
- GarlicAllium sativume0
- Organ / stage
- garlic bulbse0
- Interactor
- AscomycotaAscomycotae0other
- Outcome
- relative abundance of the taxon Ascomycotae0
- Direction
- enrichede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“the relative abundance of the taxon Ascomycota was largely and predominantly enriched with the increasing number of garlic bulbs during the three years”
Claim · model-written summary
the majority of abundant taxa positively correlated with available P and K contents
- Taxon
- CucumberCucumis sativust0
- Interactor
- abundant taxae0other
- Compound
- P and Ke0
- Outcome
- majority of abundant taxae0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“the majority of abundant taxa positively correlated with available P and K contents”
Claim · model-written summary
the majority of abundant taxa positively correlated with available P and K contents, while being highly negatively correlated with soil pH, EC, and SOC
- Taxon
- CucumberCucumis sativust0
- Interactor
- abundant taxae0other
- Outcome
- majority of abundant taxae0
- Direction
- negatively correlatede0
- Qualifier
- soil pH, EC, and SOCe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Green Garlic/Cucumber”
e0“the majority of abundant taxa positively correlated with available P and K contents, while being highly negatively correlated with soil pH, EC, and SOC”
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See all 10 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.