Intervention effectmodel-written summary

The maximum 100-seed weight of soybean was 16.96 gm with the combined effect of 11.5 kg N/ha, 46 kg P2O5/ha and B. japonicum.

A claim from Effects of Rhizobium, Nitrogen and Phosphorus Fertilizers on Growth, Nodulation, Yield and Yield Attributes of Soybean at Pawe Northwestern Ethiopia · 2017

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The maximum 100-seed weight of soybean was 16.96 gm with the combined effect of 11.5 kg N/ha, 46 kg P2O5/ha and B. japonicum.

Taxon
soybeanGlycine maxt0
Treatment
combined effect of 11.5 kg N/ha, 46 kg P2O5/ha and B. japonicume3
Interactor
B. japonicumBradyrhizobium japonicume3symbiont
Outcome
100-seed weighte3
Direction
maximume3
Value
16.96 gme3

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Bradyrhizobium japonicum
Bradyrhizobium japonicum · InteractorLouisa Howard - Dartmouth Electron Microscope Facility · Public domain · Wikimedia Commons ↗

Verbatim

t0

“Yield Attributes of Soybean at Pawe Northwestern Ethiopia”

✓ located verbatim in the source · title, characters 91–148
e3

“The maximum numbers of nodules of 80.26, fresh and dry weights of 3.77 and 0.99 gm/plant respectively; 100-seed weight of 16.96 gm, number of pods of 80.66 and grain yield of 3151.88 kg/ha were measured by combined effect of 11.5 kg N/ha, 46 kg P2O5/ha and B. japonicum”

✓ located verbatim in the source · abstract, characters 978–1247

Title

Effects of Rhizobium, Nitrogen and Phosphorus Fertilizers on Growth, Nodulation, Yield and Yield Attributes of Soybean at Pawe Northwestern Ethiopia

Masresha Abitew Tarekegn; Kibebew Kibret World Scientific News 2017

Other claims from this paper (14)

Record rev-fd92d70aec0ac5ece04d05fc35295777038eb517fb43e75277f3655db653acca · schema claims-v0.9 · position 8 in the model’s answer

Bradyrhizobium japonicum · yield · Glycine max (soybean)Positive and negative results

61 papers: 54 positive, 7 negative or no effect

53 papers in the same direction as this claim · 6 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    B. japonicum inoculation did not improve soybean performance under either nitrogen source.

    Effect of bacterial root symbiosis and urea as source of nitrogen on performance of soybean plants grown hydroponically for Bioregenerative Life Support Systems (BLSSs) · 2015

    Opposite direction

  2. no effect
    Inoculation with A. brasilense associated with B. japonicum did not affect agronomic traits or grain yield of RR soybean cultivars.

    Morphoagronomic and productive traits of RR soybean due to inoculation via Azospirillum brasilense groove · 2016 · compared with without inoculation

    Opposite direction

  3. no effect
    Inoculation with B. japonicum had no significant effect on soybean productivity.

    Soybean yield in response to foliar fertilization, seed treatment with molybdenium and Bradyrhizobium japonicum inoculation · 2008

    Opposite direction

  4. no effect
    The inoculation did not influence soybean 100-grain weight in the two crop years.

    Inoculation of Bradyrhizobium with cellular additives and micronutrients in soybean seeds cultivated in Oxisol under no-tillage system · 2015

    Opposite direction

  5. no effect
    The introduced B. japonicum had no essential effect on plant productivity.

    [Survival of Bradyrhizobium japonicum strain 646a introduced into soil of the soybean, common bean and maize rhizosphere]. · 2004

    Opposite direction

  6. no effect
    Bradyrhizobium inoculants did not increase soybean seed yield.

    Bradyrhizobium japonicum Inoculants Have Little Effect in Kentucky's Soybean‐Corn Rotation · 2018

    Opposite direction

  7. no effect
    Equal seed yields were obtained by dressing with 142 kg N/ha or by inoculating seeds with Bradyrhizobium japonicum.

    Quality and yield of soybean seeds as affected by inoculation, NPK fertilization, and soil salinity · 1990 · compared with dressing with 142 kg N ha‐1

    No difference from an alternative

  8. positive
    AMF and B. japonicum treatments improved soybean growth and yield under both drought and well-watered conditions compared with untreated plants.

    Physiological and biochemical responses of soybean plants inoculated with Arbuscular mycorrhizal fungi and Bradyrhizobium under drought stress · 2021 · compared with untreated plants

    Same direction

52 papers more in this group

See all 61 papers →

phosphorus · yield · Glycine max (soybean)Positive and negative results

355 papers: 303 positive, 52 negative or no effect

302 papers in the same direction as this claim · 42 in the opposite direction · 10 reporting no difference from an alternative

  1. negative
    High phosphorus application reduced inoculant efficiency for soybean seed yield.

    Application ofBradyrhizobium japonicumand Phosphorus Fertilization Improved Growth, Yield and Nodulation of Soybean in the Sub-humid Hilly Region of Azad Jammu and Kashmir, Pakistan · 2008

    Opposite directionCited by this paper

  2. positive
    P significantly raised seed yield to 907 kg ha-1, 18% above control.

    Effect of Rhizobium inoculation and NP fertilization on growth, yield and nodulation of soybean (Glycine max L.) in the sub-humid hilly region of Rawalakot Azad Jammu and Kashmir, Pakistan · 2009 · compared with control

    Same directionCited by this paper

  3. positive
    P application increased pod number and grain yield in both years, significantly only in 2003.

    Comparative growth and grain yield responses of soybean genotypes to phosphorous fertilizer application · 2009

    Same directionCited by this paper

  4. negative
    K-polyphosphate mix foliar spraying reduced soybean yield by 10.9% on average over two sites.

    Foliage Injury, Nutrient Intake, and Yield of Soybeans as Influenced by Foliar Fertilization1 · 1980

    Opposite direction

  5. negative
    Soybean yield was reduced by no more than 10% under no-tillage with increasing P rates compared to other treatments.

    Contrasting Responses of Weed Communities and Crops to 12 Years of tillage and Fertilization Treatments · 2008 · compared with other treatments

    Opposite direction

  6. no effect
    Microbial inoculants with or without N and P fertilizers produced a statistically similar soybean yield to 100% N and P.

    Rhizobium and Phosphate Solubilizing Bacteria Influence the Soil Nutrient Availability, Growth, Yield, and Quality of Soybean · 2022 · compared with 100% N and P

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  7. no effect
    Phosphorus did not increase soybean grain yield.

    Soybean Response to Sulfur Fertilizer Applied as a Broadcast or Starter Using Replicated Strip Trials · 2013

    Opposite direction

  8. no effect
    Applied P did not affect seed yield or P absorption of either cultivar

    Yield and composition of soybeans as influenced by soil pH, phosphorus, zinc, and copper · 1986

    Opposite direction

346 papers more in this group

See all 355 papers →

nitrogen · yield · Glycine max (soybean)Positive and negative results

416 papers: 318 positive, 98 negative or no effect

317 papers in the same direction as this claim · 91 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    N significantly raised seed yield to 940 kg ha-1, 23% above control.

    Effect of Rhizobium inoculation and NP fertilization on growth, yield and nodulation of soybean (Glycine max L.) in the sub-humid hilly region of Rawalakot Azad Jammu and Kashmir, Pakistan · 2009 · compared with control

    Same directionCited by this paper

  2. negative
    Soybeans relying only on atmospheric nitrogen yielded less than half as much seed as those using nitrate and atmospheric nitrogen in hydroponics.

    Soil and Symbiotic Nitrogen Requirements for Optimum Soybean Production1 · 1974 · compared with plants utilizing both nitrate and atmospheric nitrogen

    Opposite direction

  3. no effect
    Applied nitrogen did not significantly affect grain yield; the observed increase was 39 kg ha−1.

    Nitrogen Application to Soybean at Early Reproductive Development · 2005 · compared with no‐N control

    Opposite direction

  4. negative
    Nitrogen stress during seed development reduced soybean final seed size.

    The Effect of Source-Sink Alterations on Soybean Seed Growth* · 1985

    Opposite direction

  5. no effect
    Soil-applied N or foliar-applied B did not increase soybean seed yield at any rate or application stage.

    Soybean Yield Response to Reproductive Stage Soil‐Applied Nitrogen and Foliar‐Applied Boron · 2001

    Opposite direction

  6. no effect
    With adequate N, nodulated and non-nodulated soybean had similar seed yields.

    Dry Matter Accumulation in Soybean (Glycine max (L) Merrill) Plants As Influenced by N, P, and K Fertilization1 · 1971 · compared with nodulated and non‐nodulated soybeans

    Opposite direction

  7. no effect
    Nitrogen at rates up to 360 kg/ha added for the preceding year's corn had no effect on soybean yields.

    Soybean Yields with Direct and Residual Nitrogen Fertilization1 · 1973

    Opposite direction

  8. negative
    K-polyphosphate mix foliar spraying reduced soybean yield by 10.9% on average over two sites.

    Foliage Injury, Nutrient Intake, and Yield of Soybeans as Influenced by Foliar Fertilization1 · 1980

    Opposite direction

407 papers more in this group

See all 416 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.