Intervention effectmodel-written summary

Intercropping increased forage dry matter yield relative to cowpea sole cropping.

A claim from Intercropping of Maize (Zea mays) and Cowpea (Vigna sinensis) as Whole-Crop Forage: Effect of Different Planting Pattern on Total Dry Matter Production and Maize Forage Quality · 2009

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Intercropping increased forage dry matter yield relative to cowpea sole cropping.

Taxon
cowpea (Vigna sinensis)Vigna unguiculata subsp. unguiculatat0
Treatment
intercroppinge0
Outcome
dry matter yielde0
Direction
increasede0
Comparator
cowpea sole cropse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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

Vigna unguiculata subsp. unguiculata
Vigna unguiculata subsp. unguiculata · TaxonWibowo Djatmiko ( Wie146 ) · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“dry matter yield was increased by intercropping as compared with maize and cowpea sole crops”

✓ located verbatim in the source · abstract, characters 559–651
t0

“cowpea (Vigna sinensis)”

✓ located after whitespace/quote normalisation · title, characters 38–61

Title

Intercropping of Maize (Zea mays) and Cowpea (Vigna sinensis) as Whole-Crop Forage: Effect of Different Planting Pattern on Total Dry Matter Production and Maize Forage Quality

Hamdollah ESKANDARI; Ahmad GHANBARI Notulae Botanicae Horti Agrobotanici Cluj-Napoca 2009. doi:10.15835/nbha3723230

Other claims from this paper (4)

Record rev-ba9cd809cb9ebb0c811ca1f164c5b38f0d4488b1e8fa77de634b8ef403f4ac30 · schema claims-v0.9 · position 2 in the model’s answer

intercropping · yield · Vigna unguiculata (cowpea)Results differ

103 papers: 63 positive, 40 negative or no effect

62 papers in the same direction as this claim · 33 in the opposite direction · 7 reporting no difference from an alternative

  1. no effect
    Intercropping had no significant effect on cowpea seeds per pod or seed weight.

    Effects of Intercropping on the Performance of Maize and Cowpeas in Botswana · 2012 · compared with sole cowpea crop

    No difference from an alternativeCites this paper

  2. positive
    The 2:2 pattern gave the highest fresh and dry forage yields.

    Effect of Intercropping Cowpea ( Vigna unguiculata L.) with Teosinte ( Zea mexicana Schrad ) on Forage Yield Productivity and Its Quality · 2019 · compared with cowpea intercropped on the other side

    Same directionCites this paper

  3. positive
    The authors report greater income from intercropping.

    Assessment of the effects of NPK fertilizer on edible yield and agro-biological parameters in a cowpea–amaranth intercrop · 2023

    Same directionCites this paper

  4. negative
    Intercrop cowpea yields were less than sole cowpea yields at all sowings.

    Relative Sowing Time and Density of Component Crops in a Maize/Cowpea Intercrop System · 1987 · compared with sole cowpea yields

    Opposite direction

  5. negative
    Intercropping reduced cowpea seed yield from 3195 to 2170 kg ha −1 in 1981.

    Cassava‐Cowpea and Cassava‐Peanut Intercropping. I. Yield and Land Use Efficiency]1 · 1986

    Opposite direction

  6. no effect
    Cowpea grain yield was not significantly affected by intercropping.

    Effect Of Cowpea Planting Density On Growth, Yield And Productivity Of Component Crops In Cowpea/Cassava Intercropping System · 2008

    Opposite direction

  7. negative
    Fresh and dry forage yields of cowpea were lower when intercropped with maize than in sole cowpea.

    Effect Of Cowpea (Vigna Sinensis L.) With Maize (Zea Mays L.) Intercropping On Yield And Its Components · 2015 · compared with sole cowpea

    Opposite direction

  8. negative
    Intercropping reduced cowpea grain yield by up to 55%.

    Response of tomato and okra to nitrogen fertilizer in sole cropping and intercropping with cowpea · 1991

    Opposite direction

94 papers more in this group

See all 103 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.