Abstract
The effects of two arbuscular mycorrhizal fungi(Glomus versiforme and Paraglomus occultum)on size distribution of soil water-stable aggregate and aggregate stability,glomalin-related soil protein(GRSP),and carbohydrates of white clover(Trifolium repens)were analyzed.Root mycorrhizal infection ranged from35%to 75%after 85 days of mycorrhizal inoculation.The inoculated treatments significantly increased shoot,root,and total dry biomass and chlorophyll content.White clover was more dependent on P.occultumthan on G.mosseae.The treatments inoculated with arbuscular mycorrhizal fungi also notably increased the content of water-stable aggregate in the size ranges 0.25-0.5mm and 0.5-1mm but significantly reduced them in the1-2mm size range.There was no effect on water-stable aggregate content in the 2-4mm size and mean weight diameter(an indicator of soil aggregate stability).Inoculated treatments markedly increased rhizospheric soil easily-extractable GRSP,total GRSP,hot-water extractable and hydrolyzed carbohydrate contents.Correlation analysis showed that root mycorrhizal colonization was highly positively correlated with GRSP production,and GRSP had a positive effect on1mm size water-stable aggregates.In addition,the contribution of GRSPs to aggregate stability mainly depends on total GRSP but not on easily-extractable GRSP.GRSP fractions had different contributions to soil carbohydrates.
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Claims 12
Claim · model-written summary
Mycorrhizal inoculation yielded 35% to 75% root infection after 85 days.
- Taxon
- white clover
Trifolium repenst0 - Treatment
- mycorrhizal inoculatione0
- Interactor
- mycorrhizale0symbiont
- Outcome
- Root mycorrhizal infectione0
- Value
- from35%to 75%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root mycorrhizal infection ranged from35%to 75%after 85 days of mycorrhizal inoculation.”
t0“white clover”
Claim · model-written summary
Inoculation increased shoot, root, and total dry biomass.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- inoculated treatmentse0
- Outcome
- shoot,root,and total dry biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculated treatments significantly increased shoot,root,and total dry biomass and chlorophyll content.”
t0“white clover”
Claim · model-written summary
Inoculation increased chlorophyll content.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- inoculated treatmentse0
- Outcome
- chlorophyll contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculated treatments significantly increased shoot,root,and total dry biomass and chlorophyll content.”
t0“white clover”
Claim · model-written summary
White clover depended more on P. occultum than on G. mosseae.
- Taxon
- White cloverTrifolium repense0
- Interactor
- P.occultumParaglomus occultume0symbiont
- Second interactor
- G.mosseae
Funneliformis mosseaee0symbiont - Outcome
- dependente0
- Direction
- moree0
- Comparator
- G.mosseaee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“White clover was more dependent on P.occultumthan on G.mosseae.”
Claim · model-written summary
Mycorrhizal inoculation increased water stable aggregates of 0.25 to 0.5 mm and 0.5 to 1 mm.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- inoculated with arbuscular mycorrhizal fungie0
- Interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- content of water-stable aggregatee0
- Direction
- increasede0
- Qualifier
- 0.25-0.5mm and 0.5-1mme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatments inoculated with arbuscular mycorrhizal fungi also notably increased the content of water-stable aggregate in the size ranges 0.25-0.5mm and 0.5-1mm”
t0“white clover”
Claim · model-written summary
Mycorrhizal inoculation reduced 1 to 2 mm water stable aggregates.
- Taxon
- white cloverTrifolium repenst0
- Outcome
- theme0
- Direction
- reducede0
- Qualifier
- the1-2mm size rangee0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but significantly reduced them in the1-2mm size range.”
t0“white clover”
Claim · model-written summary
Inoculation did not affect 2 to 4 mm water stable aggregates or mean weight diameter.
- Taxon
- white cloverTrifolium repenst0
- Outcome
- water-stable aggregate content in the 2-4mm size and mean weight diametere0
- Direction
- no effecte0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect on water-stable aggregate content in the 2-4mm size and mean weight diameter(an indicator of soil aggregate stability).”
t0“white clover”
Claim · model-written summary
Inoculation increased rhizosphere GRSP and carbohydrate contents.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- Inoculated treatmentse0
- Outcome
- rhizospheric soil easily-extractable GRSP,total GRSP,hot-water extractable and hydrolyzed carbohydrate contentse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculated treatments markedly increased rhizospheric soil easily-extractable GRSP,total GRSP,hot-water extractable and hydrolyzed carbohydrate contents.”
t0“white clover”
Claim · model-written summary
Root colonization correlated positively with GRSP production.
- Taxon
- white cloverTrifolium repenst0
- Interactor
- mycorrhizale0symbiont
- Outcome
- GRSP productione0
- Direction
- positivelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root mycorrhizal colonization was highly positively correlated with GRSP production”
t0“white clover”
Claim · model-written summary
GRSP positively affected 1 mm water stable aggregates.
- Taxon
- white cloverTrifolium repenst0
- Compound
- GRSPe0
- Outcome
- on1mm size water-stable aggregatese0
- Direction
- positivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GRSP had a positive effect on1mm size water-stable aggregates.”
t0“white clover”
Claim · model-written summary
Total GRSP chiefly contributed to aggregate stability, unlike easily extractable GRSP.
- Taxon
- white cloverTrifolium repenst0
- Compound
- total GRSPe0
- Outcome
- aggregate stabilitye0
- Qualifier
- but not on easily-extractable GRSPe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the contribution of GRSPs to aggregate stability mainly depends on total GRSP but not on easily-extractable GRSP.”
t0“white clover”
Claim · model-written summary
GRSP fractions contributed differently to soil carbohydrates.
- Taxon
- white cloverTrifolium repenst0
- Compound
- GRSP fractionse0
- Outcome
- soil carbohydratese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“GRSP fractions had different contributions to soil carbohydrates.”
t0“white clover”
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See all 5 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.