Intervention effectmodel-written summary

Co-application of N and P increased grain yields of common bean on non-degraded sites in the second season.

A claim from Response of common bean (Phaseolus vulgaris L.) to nitrogen, phosphorus and rhizobia inoculation across variable soils in Zimbabwe · 2018

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Co-application of N and P increased grain yields of common bean on non-degraded sites in the second season.

Taxon
common beanPhaseolus vulgarist0
Treatment
Co-application of N and Pe5
Outcome
grain yieldse5
Direction
increasede5
Value
0.37 to 2.09 Mg ha−1e5
Qualifier
during the second seasone5
Setting
non-degraded sitese5

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparator

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

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Response of common bean (Phaseolus vulgaris L.)”

✓ located verbatim in the source · title, characters 0–47
e5

“Co-application of N and P in non-degraded sites increased grain yields from 0.27 to 1.48 Mg ha−1during the first season and from 0.37 to 2.09 Mg ha−1during the second season”

✓ located verbatim in the source · abstract, characters 1618–1791

Title

Response of common bean (Phaseolus vulgaris L.) to nitrogen, phosphorus and rhizobia inoculation across variable soils in Zimbabwe

Vongai Chekanai; Regis Chikowo; Bernard Vanlauwe Agriculture Ecosystems & Environment 2018. doi:10.1016/j.agee.2018.08.010

Other claims from this paper (11)

Record rev-b22150fac99f87d8085a52f53cf19bb8b80d099400638110af6d9363ede2399e · schema claims-v0.9 · position 7 in the model’s answer

cobalt atom · yield · Phaseolus vulgaris (common bean)Results differ

13 papers: 7 positive, 6 negative or no effect

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

  1. negative
    Excess cobalt reduced French bean seed yield.

    Physiological and Biochemical Responses of French Bean to Excess Cobalt · 2005

    Opposite direction

  2. negative
    Cu and Co together produced relative yield of 10%, compared with calculated relative yield of 9%.

    Multiple trace element toxicities in plants · 1981

    Opposite direction

  3. negative
    Cadmium and cobalt impair macronutrient content and yield components in bean.

    Morpho-physiological and Biochemical Effects of Palm Pollen Extract in Alleviation of Cadmium and Cobalt Toxicity in Beans (Phaseolus vulgaris L.) · 2023

    Opposite direction

  4. negative
    High-concentration cobalt decreased bean productivity relative to control.

    Growth and Productivity of Two Varieties of Phaseolus Vulgaris in the Presence of Heavy Metals and Fertilizers · 2024 · compared with control

    Opposite direction

  5. no effect
    High micronutrient application had no detrimental effect on bush bean yield.

    Effect of excess fertilization with boron, cobalt, copper manganese, and zinc on the content of these elements in soil and plant · 1976

    Opposite direction

  6. no effect
    Grain yield with 400 g inoculant and the higher Co+Mo levels was very similar to mineral nitrogen fertilizer (70 kg ha-1 N) in common bean.

    Effect of inoculation associated to leaf sprayed Co+Mo on the yield and grain nutrients in common bean (Phaseolus vulgaris L) · 2008 · compared with mineral nitrogen condition fertilizer recommended for the bean (70 kg ha-1 of N)

    No difference from an alternative

  7. positive
    Low cobalt increased bush bean vegetative yield relative to the control.

    COBALT-ZINC INTERACTIONS IN BUSH BEANS GROWN IN SOLUTION CULTURE · 1989 · compared with control treatment

    Same direction

  8. positive
    Foliar cobalt at 5 and 10 mlg L -1 gave the best pod weight, pod yield and pod diameter.

    Effect of Soil Mulching and Cobalt on Growth and Yield of (Phaseolus Vulgaris L.) Under Protected Conditions · 2021

    Same direction

4 papers more in this group

See all 13 papers →

phosphorus · yield · Phaseolus vulgaris (common bean)Positive and negative results

118 papers: 96 positive, 22 negative or no effect

95 papers in the same direction as this claim · 20 in the opposite direction · 2 reporting no difference from an alternative

  1. positive
    Phosphorus rates significantly increased dry matter yield of common bean.

    Effect of Different Phosphorus Fertilizer Rates on Growth, Dry Matter Yield and Yield Components of Common Bean (Phaseolus vulgaris L.) · 2014

    Same directionCited by this paper

  2. positive
    In 1998, P fertilizer significantly increased stand count after emergence, pod number per plant and bean grain yields.

    Response of Common Bean to Rhizobium Inoculation and Fertilizers · 2001

    Same directionCited by this paper

  3. positive
    Spacing of 30 cm x 20 cm with 333,333 plants ha-1 and 60 kg ha-1 P fertilizer raised bean productivity to 2580 kg ha-1 compared with commonly used combinations yielding under 600 kg ha-1.

    Yield responses of bush bean varieties to different planting densities and rates of phosphorous fertilizer · 2020 · compared with commonly used combinations

    Same directionCites this paper

  4. positive
    The higher P rate (60 kg/ha) enhanced grain yield and its components in common bean.

    Response of common bean ( Phaseolus vulgaris L.) to triple superphosphate fertilization in iron-rich Luvisols · 2026

    Same directionCites this paper

  5. positive
    Bean yields increased with phosphorus rate at both sites.

    Evaluation of crop arrangement and phosphorus rate on performance of maize-common bean intercropping in western Kenya · 2020

    Same directionCites this paper

  6. negative
    Low phosphorus regimes reduced final seed yield.

    An automated greenhouse sand culture system suitable for studies of P nutrition · 1990

    Opposite direction

  7. negative
    Low phosphorus stress reduced yield by 39% in Quilichao relative to non-stress treatments.

    QTL analyses for tolerance to abiotic stresses in a common bean (Phaseolus vulgaris L.) population · 2018 · compared with non-stress treatments

    Opposite direction

  8. negative
    Low soil phosphorus reduced yield by 60%.

    QTL Analysis of Root Architecture Traits and Low Phosphorus Tolerance in an Andean Bean Population · 2009 · compared with high P

    Opposite direction

109 papers more in this group

See all 118 papers →

nitrogen · yield · Phaseolus vulgaris (common bean)Positive and negative results

156 papers: 131 positive, 25 negative or no effect

130 papers in the same direction as this claim · 22 in the opposite direction · 3 reporting no difference from an alternative

  1. positive
    Grain yield was maximal at 200 mg N kg−1.

    Dry Matter, Grain Yield, and Yield Components of Dry Bean as Influenced by Nitrogen Fertilization and Rhizobia · 2013

    Same directionCited by this paper

  2. positive
    The 45 kg N frass treatment increased pod number by 4–9%.

    Insect frass fertilizer as a regenerative input for improved biological nitrogen fixation and sustainable bush bean production · 2024 · compared with Phymyx and NPK treatments

    Same directionCites this paper

  3. positive
    The combination produced the highest yield components and total yield.

    Influence of Some Nitrogen Fertilization and Dry Yeast Extract Levels on Growth andPod Yield of Snap Bean (Phaseolus vulgaris L.) · 2019

    Same directionCites this paper

  4. negative
    Bean yield was lowest with zero nitrate.

    GROWTH AND YIELD OF WHITE BEAN (Phaseolus vulgaris L.) IN RESPONSE TO NITROGEN, PHOSPHORUS AND POTASSIUM FERTILIZER AND TO INOCULATION WITH Rhizobium · 1987

    Opposite direction

  5. no effect
    N levels did not affect yield of either bean cultivar.

    BIOLOGICAL N2 FIXATION AND MINERAL N IN COMMON BEAN–MAIZE INTERCROPPING OR SOLE CROPPING IN SOUTHEASTERN BRAZIL · 2007

    Opposite direction

  6. negative
    Applied mineral nitrogen resulted in smaller nitrogen harvest indices in Negro Argel.

    Partitioning of nitrogen from biological fixation and fertilizer in Phaseolus vulgaris · 1987

    Opposite direction

  7. no effect
    Application of 120 kg N ha −1 did not increase bean yield.

    RhizobiumInoculation Increases of Bean and Maize Yields in Intercrops on Farms in the Peruvian Sierra · 1994

    Opposite direction

  8. negative
    The small nitrogen dose at planting thus negatively affected bean yield.

    Nitrogen and molybdenum fertilization and inoculation of common bean with Rhizobium spp. in two oxisols · 2016

    Opposite direction

147 papers more in this group

See all 156 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.