Intervention effectmodel-written summary

T6 recorded significantly higher number of branches plant-1 at 7.1.

A claim from Effects of seed biopriming under different levels of nitrogen and phosphorus on crop growth and nodulation of cowpea (Vigna unguiculata) · 2017

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T6 recorded significantly higher number of branches plant-1 at 7.1.

Treatment
Rhizobium + PSB 10% + 75% N and 75% P + 100% K (T6)e0
Interactor
RhizobiumRhizobiume0symbiont
Outcome
number of branches plant-1e0
Direction
highere0
Value
7.1e0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingQualifier

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

Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗
Rhizobium
Rhizobium · Interactor · picture of the genus (one of its species)Ninjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Application of Rhizobium + PSB 10% + 75% N and 75% P + 100% K (T6) recorded significantly higher plant height at 15DAS (23.4 cm), 30DAS (37.1 cm), 45DAS (47.7 cm), 60DAS (59.5 cm), 75DAS (63.4 cm), At harvest (68.1 cm), number of trifoliate leaves per plant at 15DAS (3.8), 30DAS (15.0), 45DAS (29.1), 60DAS (36.0), 75DAS (37.2), At harvest (39.5), number of branches plant-1 at 30DAS (7.1)”

✓ located verbatim in the source · abstract, characters 0–390
t0

“cowpea (Vigna unguiculata)”

✓ located verbatim in the source · title, characters 110–136

Title

Effects of seed biopriming under different levels of nitrogen and phosphorus on crop growth and nodulation of cowpea (Vigna unguiculata)

K Brunda; Dakshayani Vp; Asha Nn; et al. Journal of Pharmacognosy and Phytochemistry 2017

Other claims from this paper (6)

Record rev-4e8ea9978dd2a67f166b16b25b1ebd284894cfe31d471ed0a05d46a30a135bb1 · schema claims-v0.9 · position 3 in the model’s answer

Rhizobium · yield · Vigna unguiculata (cowpea)Results agree

47 papers: 47 positive, 0 negative or no effect

46 papers in the same direction as this claim

  1. positive
    Rhizobium + PSB significantly increased cowpea yield attributes over control.

    Effect of Vermicompost and Biofertilizers on Yield Attributes and Nutrient Content and it’s their Uptake of Cowpea [Vigna unguiculata (L.)Walp.] · 2017 · compared with control

    Same direction

  2. positive
    Rhizobium inoculation produced the highest grain yield of 1441 kg/ha.

    Effect of Bio Fertilizer and Fertility Levels on Yield, Protein Content and Nutrient Uptake of Cowpea [ Vigna unguiculata (L.) Walp.] · 2011 · compared with rest of the treatments

    Same direction

  3. positive
    Combined Rhizobium and PSB inoculation increased cowpea growth and yield versus single inoculants.

    Influence of phosphorus and bio-fertilizers on growth and yield of cowpea [Vigna unguiculata (L.) Walp.] in acidic soil of NEH region of India · 2017 · compared with single inoculation of Rhizobium and PSB

    Same direction

  4. positive
    Combined fertilizer and Rhizobium plus PSB increased pods per plant to 8.23.

    Effect of inorganic and bio-fertilizers on productivity and nutrients uptake in cowpea [Vigna Unguiculata (L.) Walp] · 2012 · compared with the control

    Same direction

  5. positive
    The three higher nutrient and inoculation treatments significantly increased cowpea growth traits compared with their lower counterparts.

    Integrated Nutrient Management in Summer Cowpea (Vigna unguiculata L.) Under South Gujarat Condition · 2018 · compared with 50 % RDF (F1), FYM @ 0 t ha-1 (O1) and No inoculation (B1)

    Same direction

  6. positive
    Dual inoculation with P2O5 fertilizer gave 34 % better pod yield than dual inoculation without phosphatic fertilizer.

    Effects of Rhizobium, PSB Inoculation and Phosphorus Management on Soil Nutrient Status and Performance of Cowpea in Acid Soil of Arunachal Pradesh, India · 2017 · compared with duel inoculation without phosphatic fertilizer

    Same direction

  7. positive
    Rhizobium plus PSB inoculation increased seed, straw and biological yield relative to control and other treatments.

    Effect of vermicompost and biofertilizer on symbiotic efficiency and yield of cowpea in arid zone of Rajasthan · 2015 · compared with control and other treatments

    Same direction

  8. positive
    Rhizobium plus PSB inoculation increased cowpea seed, straw and biological yields over control and other treatments.

    Effect of vermicompost and biofertilizer on yield, quality and economics of cowpea · 2015 · compared with control and other treatments

    Same direction

38 papers more in this group

See all 47 papers →

nitrogen · yield · Vigna unguiculata (cowpea)Results differ

68 papers: 62 positive, 6 negative or no effect

61 papers in the same direction as this claim · 6 in the opposite direction

  1. no effect
    Inorganic nitrogen did not significantly improve cowpea seed yield over effectively nodulated plants.

    Effects of short-term waterlogging on growth and yield of cowpea (Vigna unguiculata) · 1978 · compared with effectively nodulated plants

    Opposite direction

  2. negative
    Average cowpea yield decreased 27% across the N rates from 0 to 120 kg/ha in intercropping.

    Maize‐Cowpea Intercropping as Affected by Nitrogen Fertilization1 · 1987

    Opposite direction

  3. no effect
    Nitrogen application had no significant effect on cowpea growth and yield.

    Effect of nitrogen and phosphorus fertilizer application on growth and yield performance of cowpea in Ghana · 2017

    Opposite direction

  4. no effect
    Irrigation and nitrogen levels did not influence pod number or yield.

    Effect of irrigation, nitrogen levels and methods of fertilizer application on growth, yield and profitability of yard long bean [Vigna unguiculata subsp. sesquipedalis (L.) Verdcourt] · 2019

    Opposite direction

  5. no effect
    Growth and production variables of cowpea were not significantly influenced by brassinosteroid application or the forms of N supply.

    Nitrogen fertilization and application of brassinosteroid in cowpea in the Amazon · 2024

    Opposite direction

  6. negative
    Lower nitrogen reduced pods per plant across years.

    Enhancing vegetable cowpea growth and yield in semi-arid regions: Effect of liquid microbial consortia and variable nitrogen doses under saline and canal water irrigation · 2024

    Opposite direction

  7. positive
    Supplying non-nodulated cowpea plants with 120 or 240 ppm N improved seed yields, not significantly, compared with plants dependent on symbiotic fixation.

    Nitrogen Nutrition of Cowpea (Vigna unguiculata). I. Effects of Applied Nitrogen and Symbiotic Nitrogen Fixation on Growth and Seed Yield · 1977 · compared with plants completely dependent on symbiotic fixation

    Same direction

  8. positive
    Increasing the nitrogen rate increased the number and weight of pods per plant of cowpea in sole stands.

    Competition in a rice - cowpea intercrop as affected by nitrogen fertilizer and plant population · 2007

    Same direction

59 papers more in this group

See all 68 papers →

phosphorus · yield · Vigna unguiculata (cowpea)Results differ

113 papers: 107 positive, 6 negative or no effect

106 papers in the same direction as this claim · 5 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Potassium and phosphorus rates showed no interaction effect on grain yield.

    Liming, fertilization, and rhizobia inoculation on cowpea yield in a Brazilian Amazon upland forest environment · 2021

    Opposite direction

  2. no effect
    Phosphorus level had no significant effect on stem girth, plant height or 100 seed weight.

    Effect of different phosphorus levels on four cowpea (Vigna unguiculata Walp L.) varieties for grain and fodder yield in Upper East Region of Ghana · 2019

    Opposite direction

  3. negative
    Cowpea yield with P was 0.01 Mg/ha, against 0.13 Mg/ha without P, as written.

    Crop Response to Lime and Phosphorus on New Bench Terraces in the Tropics · 1990 · compared with no‐P

    Opposite direction

  4. no effect
    Phosphorus fertilizer and row spacing did not significantly influence grain number per pod.

    Responses of Cowpea to Phosphorous Application Rates and Row Spacing in the Sudan Savanna Zone of Nigeria · 2020

    Opposite direction

  5. no effect
    Phosphorus application had no significant effect on crop yield.

    Effect of density of acacia and phosphorus fertilization on yield and water expense efficiency of rainfed cowpea in arid environment · 2005

    Opposite direction

  6. no effect
    Calcined Burkina phosphate rock (CPR) showed no superiority over non-calcined Burkina phosphate rock (BPR) for grain production.

    Effect of calcined/non-calcined phosphate rock application on crop yield and phosphorus availability to replace commercial fertilizer on a lixisol in Burkina Faso · 2025 · compared with BPR

    No difference from an alternative

  7. positive
    Phosphorus alone consistently increased cowpea grain yield across locations.

    Growth and Yield Responses of Cowpea to Inoculation and Phosphorus Fertilization in Different Environments · 2017

    Same direction

  8. positive
    Applied phosphorus significantly improved pods per plant in cowpea, with the highest response at 60 kg.P.ha–1.

    Influence of phosphorus on the performance of cowpea (Vigna unguiculata (L) Walp.) varieties in the Sudan savanna of Nigeria · 2011

    Same direction

104 papers more in this group

See all 113 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.