Abstract
Plantation forests productivity is severely limited by the seasonal drought and fertilization practices in South China. Soil nutrient and water availability influence soil fungal community, functional group diversity and the variation of plant productivity; however, the effects of irrigation and fertilization on fungal responses have rarely been studied. Here, we investigate the responses of fungal community structure and functional groups in Eucalyptus plantation soils to short-term fertilization (F), dry-season irrigation (W), short-term fertilization combined with dry-season irrigation (FW), and control (CK) treatments for ten months. A higher proportion of Basidiomycota was observed in the irrigation and/or fertilization treatments; conversely, lower proportions of Ascomycota and Mucoromycotina were observed in the only irrigation and fertilization treatments. Higher soil carbon contents and symbiotroph fungi (mainly Ectomycorrhizas) proportion were detected in the FW treatment, while low proportions of saprophytic and pathogenic fungi were observed in the FW treatment when compared with those in other treatments. These results may indicate that Eucalyptus tree growth under irrigation and fertilization condition was better than under fertilization only, irrigation only, or neither management. The results highlight that short-term fertilization and dry-season irrigation can shift fungal community structure and functional groups by regulating available soil moisture and nutrients. They also provide a theoretical basis for the development of more appropriate management approaches in the early stages of forest plantation.
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Claims 7
Claim · model-written summary
Irrigation and/or fertilization treatments increased the proportion of Basidiomycota in Eucalyptus plantation soils.
- Taxon
- Eucalyptus
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Eucalyptuse0 - Treatment
- irrigation and/or fertilization treatmentse1
- Outcome
- proportion of Basidiomycotae1
- Direction
- highere1
- Setting
- Eucalyptus plantation soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e1“A higher proportion of Basidiomycota was observed in the irrigation and/or fertilization treatments”
Claim · model-written summary
Only irrigation and fertilization treatments lowered the proportions of Ascomycota and Mucoromycotina in Eucalyptus plantation soils.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- only irrigation and fertilization treatmentse2
- Outcome
- proportions of Ascomycota and Mucoromycotinae2
- Direction
- lowere2
- Setting
- Eucalyptus plantation soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e2“lower proportions of Ascomycota and Mucoromycotina were observed in the only irrigation and fertilization treatments”
Claim · model-written summary
The FW treatment was associated with higher soil carbon contents in Eucalyptus plantation soils.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- FW treatmente3
- Outcome
- soil carbon contentse3
- Direction
- Highere3
- Setting
- Eucalyptus plantation soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e3“Higher soil carbon contents and symbiotroph fungi (mainly Ectomycorrhizas) proportion were detected in the FW treatment”
Claim · model-written summary
The FW treatment was associated with a higher proportion of symbiotrophic fungi (mainly ectomycorrhizas) in Eucalyptus plantation soils.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- FW treatmente3
- Outcome
- symbiotroph fungi (mainly Ectomycorrhizas) proportione3
- Direction
- Highere3
- Setting
- Eucalyptus plantation soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e3“Higher soil carbon contents and symbiotroph fungi (mainly Ectomycorrhizas) proportion were detected in the FW treatment”
Claim · model-written summary
The FW treatment lowered the proportions of saprophytic and pathogenic fungi compared with other treatments.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- FW treatmente4
- Interactor
- pathogenic fungie4pathogen
- Outcome
- saprophytic and pathogenic fungie4
- Direction
- lowe4
- Comparator
- other treatmentse4
- Setting
- Eucalyptus plantation soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e4“low proportions of saprophytic and pathogenic fungi were observed in the FW treatment when compared with those in other treatments”
Claim · model-written summary
Irrigation combined with fertilization may improve Eucalyptus tree growth compared with fertilization only, irrigation only, or neither.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- irrigation and fertilization conditione5
- Outcome
- tree growthe5
- Direction
- bettere5
- Comparator
- fertilization only, irrigation only, or neither managemente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e5“may indicate that Eucalyptus tree growth under irrigation and fertilization condition was better than under fertilization only, irrigation only, or neither management”
Claim · model-written summary
Short-term fertilization and dry-season irrigation shift fungal community structure and functional groups by regulating soil moisture and nutrients.
- Taxon
- EucalyptusEucalyptuse0
- Treatment
- short-term fertilization and dry-season irrigatione6
- Outcome
- fungal community structure and functional groupse6
- Qualifier
- regulating available soil moisture and nutrientse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Eucalyptus plantation soils to short-term fertilization (F)”
e6“short-term fertilization and dry-season irrigation can shift fungal community structure and functional groups by regulating available soil moisture and nutrients”
The same questions in other papers
irrigation · growth · EucalyptusPositive and negative results
6 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
4 papers more in this group
See all 8 papers →fertilization · growth · EucalyptusPositive and negative results
15 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
13 papers more in this group
See all 17 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.