Intervention effectmodel-written summary

Basal nitrogen and top dressing at tillering stage increased adventitious root number, total root length and root dry weight per plant of Yangdao 6.

A claim from EFFECTS OF NITROGEN FERTILIZER APPLIED AT DIFFERENT GROWTH STAGES ON ROOT GROWTH AND GRAIN YIELD OF YANGDAO 6 ( ORYZA SATIVA L.) · 2001

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Basal nitrogen and top dressing at tillering stage increased adventitious root number, total root length and root dry weight per plant of Yangdao 6.

Taxon
Oryza sativa L.Oryza sativae0
Material
Yangdao 6e0
Organ / stage
internode elongation stagee1
Treatment
Basal nitrogen and top dressing at tillering stagee1
Outcome
the number of adventitious roots, the total length of the roots and root dry weight per plante1
Direction
increasede1
Setting
Pot experimente0

Not reportedGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier

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

“Pot experiment with 7 treatments was conducted during 1997~1998 to investigate effects of nitrogen fertilizer applied at different growth stages on root growth and grain yield of Yangdao 6 ( Oryza sativa L.)”

✓ located verbatim in the source · abstract, characters 0–207
e1

“Basal nitrogen and top dressing at tillering stage significantly increased the number of adventitious roots, the total length of the roots and root dry weight per plant in internode elongation stage and in leaf age remainde”

✓ located verbatim in the source · abstract, characters 344–567

Title

EFFECTS OF NITROGEN FERTILIZER APPLIED AT DIFFERENT GROWTH STAGES ON ROOT GROWTH AND GRAIN YIELD OF YANGDAO 6 ( ORYZA SATIVA L.)

Dongwei GUI Jiangsu Agricutural Research 2001

Other claims from this paper (8)

Record rev-a4670de2fe257ffc0b7a9668a91c481aa8f66d8c7d063f849a69447c5626edba · schema claims-v0.9 · position 1 in the model’s answer

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

149 papers: 116 positive, 33 negative or no effect

115 papers in the same direction as this claim · 31 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Conventional tillage with residue incorporation had higher weed biomass than no till with residue retention.

    Conservation tillage and mulching effects on the adaptive capacity of direct-seeded upland rice (Oryza sativaL.) to alleviate weed and moisture stresses in the North Eastern Himalayan Region of India · 2018 · compared with NT-RR

    Opposite direction

  2. negative
    Puddled nonflooded soil greatly reduced root development, apparently from high bulk density.

    Effects of Water Management and Soil Aggregation on the Growth and Nutrient Uptake of Rice1 · 1974

    Opposite direction

  3. negative
    Soil compaction reduced grain yield and total dry weight similarly across rice cultivars.

    Effect of Soil Compaction on the Grain Yield of Rice (Oryza sativaL.) under Water-Deficit Stress during the Reproductive Stage · 2000

    Opposite direction

  4. negative
    Nitrogen deficiency lowered rice net photosynthetic rate, Fv/Fm and SPAD value versus CK.

    iTRAQ-based quantitative proteomic and physiological analysis of the response to N deficiency and the compensation effect in rice · 2019 · compared with CK

    Opposite direction

  5. negative
    Chilling at tillering delayed rice growth period.

    Impacts of chilling at the tillering phases on rice growth and grain yield in Northeast China · 2022

    Opposite direction

  6. no effect
    Tillage options did not affect rice seedling emergence.

    Evaluation of Direct Seeded Rice Planter under Minimum Tillage Practices · 2014

    Opposite direction

  7. negative
    Plant density and growth were lower under no-till.

    Identification of the main constraints for upland rice crop in direct-seeding mulch-based cropping systems under the high altitude conditions of the Madagascar highlands · 2010

    Opposite direction

  8. negative
    Puddled transplanted rice (PTR) decreased mean weight diameter of soil aggregates compared with direct seeded rice (DSR).

    Effect of Puddling and Direct Sowing of Rice on Soil Physical Health and Water Productivity of Rice-Wheat Cropping System under Different Irrigation Regimes · 2019 · compared with DSR

    Opposite direction

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

511 papers: 402 positive, 109 negative or no effect

401 papers in the same direction as this claim · 101 in the opposite direction · 8 reporting no difference from an alternative

  1. negative
    N-deprivation caused the maximum reduction in shoot growth of rice seedlings.

    Seed Priming Alters the Production and Detoxification of Reactive Oxygen Intermediates in Rice Seedlings Grown under Sub-optimal Temperature and Nutrient Supply · 2016

    Opposite direction

  2. negative
    Tungstate, an NR inhibitor, considerably inhibited lateral root initiation when applied in addition to PNN.

    Nitric oxide generated by nitrate reductase increases nitrogen uptake capacity by inducing lateral root formation and inorganic nitrogen uptake under partial nitrate nutrition in rice · 2015 · compared with PNN

    Opposite direction

  3. negative
    Higher nitrogen increased Wuyunjing23 plant height and inner culm diameters.

    Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates · 2016

    Opposite direction

  4. negative
    Under high nitrogen, growth of the fungus inside rice is increased.

    Diversity and genetics of nitrogen-induced susceptibility to the blast fungus in rice and wheat · 2013

    Opposite direction

  5. no effect
    Ammonium as sole nitrogen source did not reduce rice growth.

    Response of ammonium assimilation enzymes to nitrogen form treatments in different plant species1 · 1991

    Opposite direction

  6. negative
    High N treatment was associated with higher lodging index, especially in W3668.

    Top-dressing nitrogen fertilizer rate contributes to decrease culm physical strength by reducing structural carbohydrate content in japonica rice · 2016

    Opposite direction

  7. negative
    Reducing the nitrogen rate lowered SPAD value and leaf area index.

    Effect of side deep placement of nitrogen on yield and nitrogen use efficiency of single season late japonica rice · 2021

    Opposite direction

  8. negative
    Ammonium supply restricts rice root elongation.

    Rice plants respond to ammonium stress by adopting a helical root growth pattern · 2020

    Opposite direction

502 papers more in this group

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

759 papers: 670 positive, 89 negative or no effect

669 papers in the same direction as this claim · 81 in the opposite direction · 8 reporting no difference from an alternative

  1. negative
    Salt stress inhibited overall seedling growth.

    A hydroponic rice seedling culture model system for investigating proteome of salt stress in rice leaf · 2005

    Opposite direction

  2. negative
    Higher nitrogen increased Wuyunjing23 plant height and inner culm diameters.

    Lodging Resistance of Japonica Rice (Oryza Sativa L.): Morphological and Anatomical Traits due to top-Dressing Nitrogen Application Rates · 2016

    Opposite direction

  3. negative
    Increasing top-dressing N raised or reduced lodging rate as reported for two japonica rice varieties.

    Top-dressing nitrogen fertilizer rate contributes to decrease culm physical strength by reducing structural carbohydrate content in japonica rice · 2016

    Opposite direction

  4. no effect
    Combining biochar with manure did not produce a positive synergistic effect on rice growth.

    The interactive effects of biochar and cow manure on rice growth and selected properties of salt-affected soil · 2018

    Opposite direction

  5. no effect
    Rice root biomass was not greatly affected by fertilization.

    Use of 15 N‐Labeled Soil in Measuring Nitrogen Fertilizer Recovery Efficiency in Transplanted Rice · 2000

    Opposite direction

  6. no effect
    No significant differences in macronutrients were found in rice leaves with compost application.

    Effect of mineral and organic amendments on rice growth and yield in saline soils · 2021

    Opposite direction

  7. negative
    In 1:1 mixtures, E. crus‐galli growth was greater, especially with fertilizer.

    Root growth and the relative importance of root and shoot competition in interactions between rice (Oryza sativa) and Echinochloa crus‐galli · 1992

    Opposite direction

  8. no effect
    Plant growth did not significantly differ among fertilizer treatments.

    Sulfur Fertilization Changes the Community Structure of Rice Root-, and Soil- Associated Bacteria · 2016

    Opposite direction

750 papers more in this group

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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.