Intervention effectmodel-written summary

Vermicompost as the sole nitrogen source yielded the highest winter crop rice equivalent yield.

A claim from Direct and Residual Effect of Organic and Inorganic Sources of Nutrients on Rice-Based Cropping Systems in the Sub-humid Tropics of India · 2009

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Vermicompost as the sole nitrogen source yielded the highest winter crop rice equivalent yield.

Treatment
100% N supplied through vermicompost alonee0
Outcome
rice-equivalent yield of winter cropse0
Direction
higheste0

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

“Irrespective of winter crops, 100% N supplied through vermicompost alone treatment recorded the highest value of rice-equivalent yield of winter crops”

✓ located verbatim in the source · abstract, characters 761–911
t0

“Rice-Based Cropping Systems”

✓ located verbatim in the source · title, characters 76–103

Title

Direct and Residual Effect of Organic and Inorganic Sources of Nutrients on Rice-Based Cropping Systems in the Sub-humid Tropics of India

R. Bejbaruha; R. C. Sharma; P. Banik Journal of Sustainable Agriculture 2009. doi:10.1080/10440040903073826

Other claims from this paper (6)

Record rev-9743b76aa2ca02fea2a18a3071c0387ef61b33ff6f3ffcd405083f34a50f0e8d · schema claims-v0.9 · position 4 in the model’s answer

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

3,455 papers: 3,183 positive, 272 negative or no effect

3,182 papers in the same direction as this claim · 207 in the opposite direction · 65 reporting no difference from an alternative

  1. positive
    Vermicompost plus recommended NPK significantly increased rice grain yield relative to NPK alone.

    Efficacy of Vermicompost to Improve Soil Fertility and Rice Yield · 1999 · compared with N, P, K alone

    Same directionCited by this paper

  2. positive
    The full recommended inorganic fertilizer dose with vermicompost, PSB and Azotobacter gave the highest yield attributes.

    Evaluation of integrated nutrient management onbororice in alluvial soil and its impacts upon growth, yield attributes, yield and soil nutrient status · 2013

    Same directionCites this paper

  3. positive
    Farmyard-manure nitrogen substitution significantly increased yield at Palampur.

    Integrated nutrient management effect on rice (Oryza sativa) - wheat (Triticum aestivum) system productivity in subhumid ecosystem · 1998

    Same directionCited by this paper

  4. positive
    Compost or urea N fertilization increased rice grain yield and yield components compared with the no-N control.

    Influence of composted organic waste and urea fertilization on rice yield, N-use efficiency and soil chemical characteristics · 2017 · compared with control

    Same directionCites this paper

  5. positive
    DSR-wet with T1 had the highest benefit-cost ratio of 0.73.

    Influence of nutrient management and establishment methods on yield and economics of rice in calcareous soils of Bihar · 2020

    Same directionCites this paper

  6. no effect
    Current high nitrogen practices do not significantly raise crop yields relative to optimum fertilization.

    Reducing environmental risk by improving N management in intensive Chinese agricultural systems · 2009 · compared with knowledge-based optimum N fertilization

    Opposite direction

  7. no effect
    CRFs had no effect on crop yield.

    Effect of Enhanced Efficiency Fertilizers on Nitrous Oxide Emissions and Crop Yields: A Meta‐analysis · 2016

    Opposite direction

  8. negative
    The authors found fertilizer and irrigation investment had limited effects on rice production.

    Moving toward rice self-sufficiency in sub-Saharan Africa by 2030: Lessons learned from 10 years of the Coalition for African Rice Development · 2021

    Opposite direction

3,446 papers more in this group

See all 3,455 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.