Intervention effectmodel-written summary

FACE had little effect on root activity per hole at tillering and jointing.

A claim from Effect of Free Air CO2 Enrichment on Root Activity of Indica Rice(Oryza sativa L.)Cultivar Shanyou 63 · 2009

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

FACE had little effect on root activity per hole at tillering and jointing.

Material
Shanyou 63t0
Organ / stage
tillering and jointing stagese0
Treatment
FACEe0
Outcome
root activity per holee0
Direction
little effectse0

Not reportedGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Indica Group
Oryza sativa Indica Group · TaxonNo machine-readable author provided. Ranveig assumed (based on copyright claims). · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Indica Rice(Oryza sativa L.)Cultivar Shanyou 63”

✓ located verbatim in the source · title, characters 54–101
e0

“little effects of FACE on root activity per hole at tillering and jointing stages”

✓ located verbatim in the source · abstract, characters 700–781

Title

Effect of Free Air CO2 Enrichment on Root Activity of Indica Rice(Oryza sativa L.)Cultivar Shanyou 63

Yulong Wang Nongye huanjing kexue xuebao 2009

Other claims from this paper (9)

Record rev-ec2d3e29a61d4eb480d16856aadb9330e8f647c1d03c30df373dd5a59d9dcd48 · schema claims-v0.9 · position 5 in the model’s answer

co2 · growth · Oryza sativa (rice)Positive and negative results

124 papers: 100 positive, 24 negative or no effect

23 papers in the same direction as this claim · 100 in the opposite direction

  1. positive
    FACE significantly increased adventitious root number.

    Effects of free-air CO2 enrichment on adventitious root development of rice under low and normal soil nitrogen levels · 2014

    Opposite directionCites this paper

  2. positive
    FACE significantly increased adventitious root volume and dry weight.

    Numerical Simulation of Root Growth Dynamics of CO2-Enriched Hybrid Rice Cultivar Shanyou 63 Under Fully Open-Air Field Conditions · 2013

    Opposite directionCites this paper

  3. positive
    Elevated CO2 alone significantly increased total plant biomass compared with the ambient control.

    Growth and Yield Response of Field‐Grown Tropical Rice to Increasing Carbon Dioxide and Air Temperature · 1997 · compared with ambient control

    Opposite direction

  4. positive
    Elevated CO2 increased green leaf area index during vegetative stages.

    Seasonal changes in the effects of elevated CO 2 on rice at three levels of nitrogen supply: a free air CO 2 enrichment (FACE) experiment · 2003

    Opposite direction

  5. positive
    Total shoot biomass, root biomass and tillering of rice increased with increasing CO2 concentration, most between the 160 and 500 μmol CO2/mol air treatments.

    Growth and yield responses of rice to carbon dioxide concentration · 1990

    Opposite direction

  6. positive
    Carbon dioxide enrichment increased leaf sheath dry matter.

    Grain sink strength may be related to the poor grain filling of indica‐japonica rice (Oryza sativa) hybrids · 2001

    Opposite direction

  7. positive
    Elevated CO2 increased rice biomass by 70% at 29/21 °C.

    Intraspecific variation in the response of rice (Oryza sativaL.) to increased CO2and temperature: growth and yield response of 17 cultivars · 1996 · compared with ambient CO2 treatment

    Opposite direction

  8. positive
    Carbon dioxide enrichment increased rice biomass accumulation and tillering at 28/21/25°C.

    Temperature Effects on Rice at Elevated CO2Concentration · 1992

    Opposite direction

115 papers more in this group

See all 124 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.