Claim · model-written summary
Under higher N fertilization, elevated CO2 increased the belowground to aboveground biomass ratio at ripening.
- Taxon
- rice
Oryza sativae1 - Organ / stage
- ripening stagee0
- Treatment
- elevated CO2e0
- Outcome
- ratio of below-ground biomass over above-ground biomasse0
- Direction
- increasede0
- Qualifier
- higher N fertilizatione0
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At higher N fertilization, elevated CO2 increased the ratio of below-ground biomass over above-ground biomass at ripening stage.”
e1“rice (Oryza sativa)”
Title
Zubin Xie; Jianguo Zhu; Yali Zhang; et al. PubMed 2002
Other claims from this paper (17)
- Intervention effect Elevated CO2 increased stem, ear and root dry matter.
- Intervention effect Elevated CO2 increased leaf dry matter at tillering.
- Intervention effect Elevated CO2 had no significant effect on leaf dry matter at later stages.
- Intervention effect Stem and leaf N concentration decreased.
- Intervention effect Ear N concentration increased at heading.
- Intervention effect Ear N concentration decreased at ripening.
- Intervention effect Root N concentration did not significantly change at tillering.
- Intervention effect Root N concentration decreased at jointing, heading and ripening.
- Intervention effect Leaf P concentration increased at jointing, heading and ripening.
- Intervention effect Stem, ear and root P concentrations had no significant effect.
- Intervention effect Tissue C content changed unremarkably.
- Intervention effect Tissue C/N ratio increased.
- Intervention effect Elevated CO2 significantly increased aboveground P uptake.
- Intervention effect Elevated CO2 increased N uptake without statistical significance.
- Intervention effect N and P fertilization had no significant effect on tissue dry biomass.
- Intervention effect Higher N fertilization increased tissue N content.
- Intervention effect P fertilization did not similarly affect tissue P content.