Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Root stoichiometry accounted for a large part of microbial stoichiometry variance.

Taxon: Robinia pseudoacaciaRobinia pseudoacaciat0
Organ / stage: roote0
Outcome: variance in microbial stoichiometrye0

Not reportedDirection

Verbatim

e0
“root stoichiometry accounted for a large part of the variance in microbial stoichiometry.”
✓ located verbatim in the source · abstract, characters 869–958

t0
“Robinia pseudoacacia”
✓ located verbatim in the source · title, characters 82–102

Title

Stoichiometric homeostasis in response to variable water and nutrient supply in a Robinia pseudoacacia plant–soil system

Bingqian Su; Zhouping Shangguan Journal of Plant Ecology 2022. doi:10.1093/jpe/rtac011

Other claims from this paper (4)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Grazing decreased leaf, root, and litter C:N:P stoichiometry.

Taxon: grasslandt0
Treatment: grazinge0
Outcome: C:N:P stoichiometry of leaf, root, littere0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“grazing decreased the C:N:P stoichiometry of leaf, root, litter and soil”
✓ located verbatim in the source · abstract, characters 1728–1800

t0
“grassland”
✓ located verbatim in the source · title, characters 28–37

Title

The influence of grazing on grassland ecosystem C:N:P stoichiometry

Yixin Zhang; Chaomai He; Bai Yue; et al. Chinese Science Bulletin (Chinese Version) 2024. doi:10.1360/tb-2024-0304

Other claims from this paper (9)

Intervention effect Grazing decreased soil C:N:P stoichiometry.
Observation Grazing effects on component C:N:P differed among grassland types.
Association Leaf and root C:N and leaf C:P decreased with grazing intensity.
Association Microbial biomass C:P and N:P increased with grazing intensity except alpine meadow C:P.
Association Grazing intensity effects on ecosystem C:N:P related to grassland type and climate.
Association Grazing intensity independently explained 0.4% to 3.7% of ecosystem C:N:P variation.
Intervention effect Grazing changed leaf versus root and root versus soil stoichiometric relationships.
Association Leaf and root C:N response ratios correlated positively in desert steppe.
Association Root and soil N:P response ratios correlated negatively in desert steppe.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Biomass relative growth rate correlated negatively with root stoichiometry.

Taxon: Populus deltoidesPopulus deltoidest0
Outcome: root stoichiometrye0
Direction: negatively correlatede0

Verbatim

e0
“BRGR were negatively correlated with root stoichiometry”
✓ located verbatim in the source · abstract, characters 1211–1266

t0
“Populus deltoides”
✓ located verbatim in the source · title, characters 0–17

Title

Populus deltoides is suitable for moist and short-term flooded soil conditions on the basis of its relative growth rate and stoichiometry

Cheng Xu; Xiaopeng Liu; Zhuangzhuang Qian; et al. Canadian Journal of Forest Research 2025. doi:10.1139/cjfr-2024-0243

Other claims from this paper (9)

Associationobservedoriginal resultsimulated

Claim · model-written summary

Root and leaf stoichiometry directly affected microbial biomass C:N and C:P in structural equation modeling.

Taxon: Robinia pseudoacaciaRobinia pseudoacaciat0
Organ / stage: root stoichiometry and leaf stoichiometrye0
Outcome: microbial biomass C:N and C:Pe0
Qualifier: root stoichiometry had the greatest direct effecte0

Not reportedDirection

Verbatim

e0
“root stoichiometry and leaf stoichiometry were two direct factors affecting microbial biomass C:N and C:P, and that root stoichiometry had the greatest direct effect.”
✓ located verbatim in the source · abstract, characters 1010–1176

t0
“Robinia pseudoacacia”
✓ located verbatim in the source · title, characters 82–102

Title

Stoichiometric homeostasis in response to variable water and nutrient supply in a Robinia pseudoacacia plant–soil system

Bingqian Su; Zhouping Shangguan Journal of Plant Ecology 2022. doi:10.1093/jpe/rtac011

Other claims from this paper (4)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Under well-watered conditions, N-P addition markedly changed root stoichiometry.

Taxon: Robinia pseudoacaciaRobinia pseudoacaciat0
Treatment: N-P additione0
Outcome: root stoichiometrye0
Qualifier: well-watered conditionse0

Not reportedComparatorDirection

Verbatim

e0
“N-P addition under well-watered conditions markedly altered root stoichiometry”
✓ located verbatim in the source · abstract, characters 1206–1284

t0
“Robinia pseudoacacia”
✓ located verbatim in the source · title, characters 111–131

Title

Water and nitrogen-phosphorus coupling modulate fine-root functional traits and rhizosphere soil properties of Robinia pseudoacacia seedlings

Jiaqing Li; Shuting Chen; Wenlong Xu; et al. Frontiers in Ecology and Evolution 2026. doi:10.3389/fevo.2026.1837841

Other claims from this paper (9)

Observation Fine root C, N and C:N traits had small variation and weak plasticity.
Intervention effect Water and nutrient coupling significantly affected fine root surface area.
Intervention effect Water and nutrient coupling significantly affected fine root C, N, P and stoichiometric ratios.
Intervention effect Water and nutrient coupling significantly affected rhizosphere nitrate and ammonium.
Intervention effect Under drought, N-P addition reduced root biomass.
Intervention effect Under drought, N-P addition reduced root morphological traits.
Association Water, nitrogen and phosphorus had significant three-factor interactions.
Association Soil total nitrogen, organic carbon and pH explained some variation in fine root traits.
Association Soil total nitrogen and available phosphorus were significantly associated with root stoichiometry.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Root C:N:P stoichiometry showed no clear changes in G. uralensis.

Taxon: G. uralensisGlycyrrhiza uralensise0
Organ / stage: roote0
Outcome: C:N:P stoichiometrye0
Direction: no clear changese0

Verbatim

e0
“no clear changes were observed in either green leaf or root C:N:P stoichiometry of G. uralensis.”
✓ located verbatim in the source · abstract, characters 923–1019

Title

Changes in C:N:P stoichiometry modify N and P conservation strategies of a desert steppe species Glycyrrhiza uralensis

Juying Huang; Pan Wang; Yubin Niu; et al. Scientific Reports 2018. doi:10.1038/s41598-018-30324-w

Other claims from this paper (10)

Intervention effect High water availability lowered soil total N content and soil N:P ratio.
Intervention effect High water availability promoted N resorption from senescing leaves of G. uralensis.
Intervention effect High water availability promoted P resorption from senescing leaves of G. uralensis.
Intervention effect High N addition enhanced soil N availability and N:P ratio.
Intervention effect High N addition reduced N resorption in G. uralensis.
Intervention effect High N addition increased P resorption in G. uralensis.
Observation Senescing leaf C:N:P stoichiometry changed greatly in G. uralensis.
Observation Green leaf C:N:P stoichiometry showed no clear changes in G. uralensis.
Mechanism Altered C:N:P stoichiometry may modify N and P conservation strategies through links with uptake in green leaves.
Mechanism The changed nutrient conservation strategies may affect desert steppe N and P cycling.

Associationobservedoriginal resultmeasured

Claim · model-written summary

AM plant fine-root stoichiometry was mainly affected by the soil environment (8.76–90.12%).

Taxon: Chinese plantse0
Material: AM plantse2
Outcome: fine-root stoichiometrye2
Value: 8.76–90.12%e2
Qualifier: mainly affected by the soil environmente2

Not reportedDirection

Verbatim

e0
“the influence of mycorrhizae on Chinese plants’ fine-root stoichiometry”
✓ located verbatim in the source · abstract, characters 221–292

e2
“The AM plants’ fine-root stoichiometry was mainly affected by the soil environment (8.76–90.12%)”
✓ located verbatim in the source · abstract, characters 657–753

Title

Fine-Root C:N:P Stoichiometry and Its Driving Factors Are Different between Arbuscular and Ectomycorrhizal Plants in China

Manman Jing; Zhaoyong Shi; Xushuo Gao; et al. Agronomy 2023. doi:10.3390/agronomy13102512

Other claims from this paper (6)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Soil total nitrogen and available phosphorus were significantly associated with root stoichiometry.

Taxon: Robinia pseudoacaciaRobinia pseudoacaciat0
Outcome: root stoichiometrye0
Setting: soil TN and available phosphorus (AP)e0

Not reportedDirection

Verbatim

e0
“significant associations of soil TN and available phosphorus (AP) with root stoichiometry”
✓ located verbatim in the source · abstract, characters 1596–1685

t0
“Robinia pseudoacacia”
✓ located verbatim in the source · title, characters 111–131

Title

Water and nitrogen-phosphorus coupling modulate fine-root functional traits and rhizosphere soil properties of Robinia pseudoacacia seedlings

Jiaqing Li; Shuting Chen; Wenlong Xu; et al. Frontiers in Ecology and Evolution 2026. doi:10.3389/fevo.2026.1837841

Other claims from this paper (9)

Observation Fine root C, N and C:N traits had small variation and weak plasticity.
Intervention effect Water and nutrient coupling significantly affected fine root surface area.
Intervention effect Water and nutrient coupling significantly affected fine root C, N, P and stoichiometric ratios.
Intervention effect Water and nutrient coupling significantly affected rhizosphere nitrate and ammonium.
Intervention effect Under drought, N-P addition reduced root biomass.
Intervention effect Under drought, N-P addition reduced root morphological traits.
Intervention effect Under well-watered conditions, N-P addition markedly changed root stoichiometry.
Association Water, nitrogen and phosphorus had significant three-factor interactions.
Association Soil total nitrogen, organic carbon and pH explained some variation in fine root traits.

Associationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Soil salinity was the dominant determinant of leaf and root C:N:P stoichiometry.

Taxon: P. australisPhragmites australise0
Outcome: leaf’s and root’s C:N:P stoichiometrye0
Setting: Soil salinitye0

Not reportedDirection

Verbatim

e0
“Soil salinity played a dominant role in determining leaf’s and root’s C:N:P stoichiometry of P. australis.”
✓ located verbatim in the source · abstract, characters 1806–1912

Title

Response of different organs’ stoichiometry of Phragmites australis to soil salinity in arid marshes, China

Jian Zhang; Huanjie Xie; Asim Biswas; et al. Global Ecology and Conservation 2021. doi:10.1016/j.gecco.2021.e01843

Other claims from this paper (10)

Observation Leaf nitrogen concentration exceeded root and stem concentrations.
Observation Leaf phosphorus concentration exceeded root and stem concentrations.
Observation Leaf carbon concentration did not significantly differ from stems or roots.
Observation Leaf N:P exceeded stem and root N:P.
Observation Leaf C:N was lower than stem and root C:N.
Observation Leaf C:P was lower than stem and root C:P.
Association High salinity lowered leaf nitrogen and phosphorus concentrations relative to low and medium salinity.
Association High salinity lowered stem carbon concentration.
Association High salinity raised leaf C:P and N:P ratios.
Association High salinity raised stem C:P ratio.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Grazing decreased soil C:N:P stoichiometry.

Taxon: grasslandt0
Treatment: grazinge0
Outcome: C:N:P stoichiometry of leaf, root, litter and soile0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“grazing decreased the C:N:P stoichiometry of leaf, root, litter and soil”
✓ located verbatim in the source · abstract, characters 1728–1800

t0
“grassland”
✓ located verbatim in the source · title, characters 28–37

Title

The influence of grazing on grassland ecosystem C:N:P stoichiometry

Yixin Zhang; Chaomai He; Bai Yue; et al. Chinese Science Bulletin (Chinese Version) 2024. doi:10.1360/tb-2024-0304

Other claims from this paper (9)

Intervention effect Grazing decreased leaf, root, and litter C:N:P stoichiometry.
Observation Grazing effects on component C:N:P differed among grassland types.
Association Leaf and root C:N and leaf C:P decreased with grazing intensity.
Association Microbial biomass C:P and N:P increased with grazing intensity except alpine meadow C:P.
Association Grazing intensity effects on ecosystem C:N:P related to grassland type and climate.
Association Grazing intensity independently explained 0.4% to 3.7% of ecosystem C:N:P variation.
Intervention effect Grazing changed leaf versus root and root versus soil stoichiometric relationships.
Association Leaf and root C:N response ratios correlated positively in desert steppe.
Association Root and soil N:P response ratios correlated negatively in desert steppe.

“root stoichiometry”

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