Intervention effectmodel-written summary

Organic acid plus ammonium or nitrate did not affect rice top growth.

A claim from Effect of organic acids on the growth of rice and wheat seedlings supplied with ammonium and nitrate. · 1985

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Organic acid plus ammonium or nitrate did not affect rice top growth.

Treatment
mixture of each one of organic acids and either ammonium or nitratee0
Outcome
growth of tope0
Direction
not affectede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“In the mixture of each one of organic acids and either ammonium or nitrate, the growth of top was not affected”

✓ located verbatim in the source · abstract, characters 482–592
t0

“rice and wheat”

✓ located verbatim in the source · title, characters 41–55

Title

Effect of organic acids on the growth of rice and wheat seedlings supplied with ammonium and nitrate.

Shigekazu HAYASHI; Kikuo KUMAZAWA Japanese Journal of Crop Science 1985. doi:10.1626/jcs.54.134

Other claims from this paper (17)

Record rev-cd67ca8652c51aabf20f085c778fb060a143411590c01890c528afa3f5dd4f82 · schema claims-v0.9 · position 7 in the model’s answer

organic acid · growth · Oryza sativa (rice)Positive and negative results

6 papers: 5 positive, 1 negative or no effect

1 paper in the same direction as this claim · 4 in the opposite direction

  1. positive
    Organic acids fertilizer with nanomaterials gave the highest rice plant height of 120 cm.

    Effect of NPK, NPK Organic Fertilizers and Spraying Nano-Vanadium and Nano-Selenium on the Growth and Yield of Rice · 2022

    Opposite direction

  2. positive
    In high Cd-contaminated treatments, organic acid alone significantly enhanced root activity of rice.

    Effects of Organic Acid and EDTA on the Physiological and Biochemical Characteristics of Rice in Cadmium-contaminated Soil · 2010

    Opposite direction

  3. positive
    Pretreatment of rice seeds with organic acids such as citrate and lactate improved seedling growth under submergence.

    Citrate pretreatment promotes rice (Oryza sativa L.) coleoptile elongation under submergence · 2025

    Opposite direction

  4. positive
    Seven organic acids including fumaric acid inhibited water foxtail growth and germination.

    Search for Allelopathic Compound in Rice Straw · 1997

    Opposite direction

  5. negative
    At 1 mN concentration, all tested organic acids reduced root length by 40 to 50%.

    Effect of Acetic, Propionic, and Butyric Acids on Young Rice Seedlings' Growth1 · 1977

    Same direction

See all 6 papers →

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

511 papers: 402 positive, 109 negative or no effect

109 papers in the same direction as this claim · 401 in the opposite direction

  1. positive
    Rice cell growth was better with ammonium and nitrate together than with nitrate as the sole nitrogen source.

    Studies on the nutrition of rice cell culture I. A simple, defined medium for rapid growth in suspension culture · 1973 · compared with nitrate as the sole nitrogen source

    Opposite direction

  2. positive
    Placing CRU with rice seeds improved rice growth.

    Controlled Release Urea Improved Nitrogen Use Efficiency, Activities of Leaf Enzymes, and Rice Yield · 2012

    Opposite direction

  3. positive
    High N supplement increased the chloroplast surface area exposed to intercellular airspace per leaf area in rice.

    Rapid responses of mesophyll conductance to changes of CO2 concentration, temperature and irradiance are affected by N supplements in rice · 2015 · compared with low N supplement

    Opposite direction

  4. positive
    Under mild water stress, medium N application increased total root length of upland rice compared with no N.

    Characteristics of root growth and water uptake from soil in upland rice and maize under water stress · 2000 · compared with no-N treatment

    Opposite direction

  5. positive
    Biochar with N application promoted rice root growth at tillering.

    Long‐term biochar application promotes rice productivity by regulating root dynamic development and reducing nitrogen leaching · 2020

    Opposite direction

  6. positive
    Growth dynamics of rice increased with nitrogen doses during active tillering and flowering.

    Physiological response of rice (Oryza sativaL.) genotypes to elevated nitrogen applied under field conditions · 2014

    Opposite direction

  7. positive
    Applications of POCU significantly increased N accumulation in aboveground rice biomass.

    Polyolefin‐Coated Urea Decreases Ammonia Volatilization in a Double Rice System of Southern China · 2012

    Opposite direction

  8. positive
    Optimized nitrogen management increased lower internode culm diameter and wall thickness.

    Optimized nitrogen management enhances lodging resistance of rice and its morpho-anatomical, mechanical, and molecular mechanisms · 2019 · compared with farmers' fertilizer practices

    Opposite direction

502 papers more in this group

See all 511 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.