Intervention effectmodel-written summary

At 25/75 nitrogen ratio net photosynthetic rate was maximal.

A claim from Influence of Various Ratios of Nitrogen Nutrition on Photosynthetic and Sugar Metabolism of Cotton · 2003

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

At 25/75 nitrogen ratio net photosynthetic rate was maximal.

Treatment
NH4+/NO3 ratio in solution was 25/75e0
Outcome
net photosynthetic ratee0
Direction
maximume0
Comparator
single nitrogen nutritione1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“cotton had the maximum of net photosynthetic rate and chlorophyll content in leaves when NH4+/NO3 ratio in solution was 25/75.”

✓ located verbatim in the source · abstract, characters 249–380
e1

“compared with single nitrogen nutrition”

✓ located verbatim in the source · abstract, characters 208–247

Title

Influence of Various Ratios of Nitrogen Nutrition on Photosynthetic and Sugar Metabolism of Cotton

Cun Li Acta Gossypii Sinica 2003

Other claims from this paper (8)

Record rev-a2f10f7bcbb4279eda30e22abd9d6d44f9c8f93ba0fe2d24fa545c4160af6cda · schema claims-v0.9 · position 1 in the model’s answer

nitric oxide · physiology: photosynthesis · Gossypium hirsutum (cotton)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this claim

  1. positive
    Under chilling stress, exogenous NO increased chlorophyll content and Pn.

    Effects of Exogenous Nitric Oxide on Growth, Antioxidant System and Photosynthetic Characteristics in Seedling of Cotton Cultivar Under Chilling Injury Stress · 2012

    Same direction

  2. positive
    Under unequal salt distribution NO-3-N increased leaf photosynthesis by 13.5% relative to NH+4-N.

    Effects of different nitrogen forms on seedling growth and main nutrient elements uptake under unequal salt distribution in cotton seedlings · 2012 · compared with NH+4-N treatment

    Same direction

  3. positive
    Exogenous NO improved leaf water retention capacity and photosynthetic efficiency of cotton seedlings under drought.

    Nitric Oxide Enhances Drought Tolerance in Gossypium hirsutum L. via S-Nitrosylation of the Plasma Membrane H+-ATPase Isoform GhHA2 and Antioxidant Defense Activation · 2026

    Same direction

See all 4 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.