Intervention effectmodel-written summary

Intercropping gave yield advantages across a wide range of environmental conditions.

A claim from Evaluation of Yield Stability in Intercropping: Studies on Sorghum/Pigeonpea · 1980

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping gave yield advantages across a wide range of environmental conditions.

Taxon
sorghum/pigeonpeaCajanus cajanSorghume1
Treatment
Intercroppinge0
Outcome
yield advantagese0
Direction
advantagese0
Qualifier
under a wide range of environmental conditionse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

Cajanus cajan
Cajanus cajan · TaxonFilo gèn' · CC BY-SA 4.0 · Wikimedia Commons ↗
Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Intercropping gave yield advantages under a wide range of environmental conditions”

✓ located verbatim in the source · abstract, characters 784–866
e1

“sorghum/pigeonpea intercropping”

✓ located verbatim in the source · abstract, characters 36–67

Title

Evaluation of Yield Stability in Intercropping: Studies on Sorghum/Pigeonpea

M. R. Rao; R. W. Willey Experimental Agriculture 1980. doi:10.1017/s0014479700010796

Other claims from this paper (4)

Record rev-844bf3a8a1b937d26c210f4f807ea86f4c78b423715c5fcda39c123585d42f0e · schema claims-v0.9 · position 4 in the model’s answer

intercropping · yield · Cajanus cajan (pigeon pea)Results differ

117 papers: 94 positive, 23 negative or no effect

93 papers in the same direction as this claim · 22 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Intercropped pigeonpea had fewer branches per plant than sole pigeonpea.

    EVALUATION OF PIGEONPEA (Cajanus cajan (L.) Millsp.) GENOTYPES FOR INTERCROPPING WITH TALL SORGHUM (Sorghum bicolor (L.) Moench) IN SOUTHERN GUINEA SAVANNA OF NIGERIA · 2009 · compared with sole cropped pigeonpea

    Opposite directionCites this paper

  2. positive
    Row intercropping at a 6:1 ratio increased rice equivalent yield over sole crops.

    Increasing Productivity of Upland Ecosystem Through Row and Mixed Intercropping of Pigeonpea with Rice-Blackgram Crop Sequence · 2001 · compared with sole pigeonpea and rice-blackgram crop sequence

    Same directionCites this paper

  3. negative
    Intercropped pigeonpea yield was about 50% lower than sole pigeonpea yield.

    Residual Effect of Pigeonpea (Cajanus cajan) on Yield and Nitrogen Response of Maize · 1983 · compared with sole crop

    Opposite direction

  4. no effect
    Intercropping pigeonpea with urdbean had no effect on pigeonpea yield compared with sole pigeonpea.

    Effect of land configuration, post-monsoon irrigation and phosphorus on perfor- mance of sole and intercropped pigeonpea (Cajanus cajan) · 2001 · compared with sole

    Opposite direction

  5. negative
    Intercropping affected pigeonpea grain yield the least (relative land equivalent ratio 0.9).

    Effects of management practices on legume productivity in smallholder farming systems in sub‐Saharan Africa · 2022

    Opposite direction

  6. no effect
    Intercropping did not influence pigeonpea yield, yield attributes or nutrient uptake.

    Effect of organic manure and sulphur fertilization in pigeonpea (Cajanus cajan) + groundnut (Arachis hypogaea) intercropping system · 2001

    Opposite direction

  7. negative
    pigeonpea yield declined under intercropping relative to monocropping in the LD-MD trial.

    Maize and Pigeonpea Intercropping Systems in Mpumalanga, South Africa · 2001 · compared with monocropping systems

    Opposite direction

  8. negative
    Intercropped pigeonpea numerically reduced seed yield and yield attributes compared with sole cropping.

    Studies on nutrient management in pigeonpea [Cajanus cajan (L) Millsp] based intercropping system of urd bean, sesame and mung bean · 2018 · compared with sole cropping

    Opposite direction

108 papers more in this group

See all 117 papers →

intercropping · yield · SorghumResults differ

165 papers: 118 positive, 47 negative or no effect

117 papers in the same direction as this claim · 42 in the opposite direction · 5 reporting no difference from an alternative

  1. negative
    Intercropping maize or sorghum with legumes reduced leaf area indices, fresh weight yield at anthesis and straw yield.

    Effects of Intercropping Maize or Sorghum with Cowpeas, Pigeon Peas or Beans · 1973

    Opposite direction

  2. negative
    Intercropping reduced FS-16 sorghum yield by 14%.

    Relative Yield Totals and Yield Components of Intercropped Sorghum and Soybeans1 · 1978

    Opposite direction

  3. no effect
    Ruziziensis grass intercropping did not reduce sorghum grain yield.

    Performance of Grain Sorghum and Forage of the Genus Brachiaria in Integrated Agricultural Production Systems · 2020

    Opposite direction

  4. negative
    Intercropping with mung bean significantly reduced sweet sorghum grain yield in both seasons except ASR staggered seeding in the dry season.

    Effects of legume type, planting pattern and time of establishment on growth and yield of sweet sorghum-legume intercropping · 2012

    Opposite direction

  5. negative
    Cowpea intercropping reduced sorghum grain yield by 77–93%.

    Integrating Legumes as Cover Crops and Intercrops into Grain Sorghum Production Systems · 2018 · compared with monocropped sorghum

    Opposite direction

  6. negative
    Relay forage sorghum yielded 37% of monoculture forage sorghum.

    Multiple Cropping Systems in Small Grains in Northeast Nebraska · 1990 · compared with monoculture forage sorghum

    Opposite direction

  7. negative
    At Babile, intercropped sorghum yielded 45% to 89% of sole sorghum.

    Evaluation of Sorghum, Maize and Common Bean Cropping Systems in East Hararghe, eastern Ethiopia. · 2000 · compared with respective sole crops

    Opposite direction

  8. negative
    Sorghum yields were significantly different among treatments and lowest with a tuber intercrop.

    Effect of cropping systems on cereal stemborers in the cool‐wet and semi‐arid ecozones of the Amhara region of Ethiopia · 2007 · compared with treatments

    Opposite direction

156 papers more in this group

See all 165 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.