Intervention effectmodel-written summary

Maize intercropping reduced soybean yield by 81% at Kamujine in the 2012 long rains.

A claim from Effects of different maize (Zea mays L.) - soybean (Glycine max (L.) Merrill) intercropping patterns on yields and land equivalent ratio · 2013

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Maize intercropping reduced soybean yield by 81% at Kamujine in the 2012 long rains.

Taxon
soybeanGlycine maxt0
Treatment
intercropping with maizee0
Outcome
yieldse0
Direction
reducede0
Value
81%e0
Setting
Kamujinee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“During the 2012 LR, the yields were reduced by 60 and 81% due to the intercropping with maize, at Embu and Kamujine, respectively”

✓ located verbatim in the source · abstract, characters 1886–2015
t0

“soybean”

✓ located verbatim in the source · title, characters 43–50

Title

Effects of different maize (Zea mays L.) - soybean (Glycine max (L.) Merrill) intercropping patterns on yields and land equivalent ratio

Jossias Mateus Materusse Matusso; J. N. Mugwe; Monicah Mucheru‐Muna Journal of Clinical Oncology 2013. doi:10.5897/jco2013.0106

Other claims from this paper (11)

Record rev-804c8a13b2d13e19129610b111593563a6f784341fcaa3cc99830d45c3429b02 · schema claims-v0.9 · position 9 in the model’s answer

Zea mays · yield · Glycine max (soybean)Positive and negative results

79 papers: 58 positive, 21 negative or no effect

20 papers in the same direction as this claim · 58 in the opposite direction

  1. positive
    Except in Zaria in 2014, the land equivalent ratio was higher at 50 cm maize spacing than at 65 cm.

    MAIZE–SOYBEAN INTERCROPPING FOR SUSTAINABLE INTENSIFICATION OF CEREAL–LEGUME CROPPING SYSTEMS IN NORTHERN NIGERIA · 2017 · compared with maize spaced at 65 cm

    Opposite directionCites this paper

  2. positive
    Intercropping soybean and maize on flat gave optimum yields.

    Intercropping soybean and maize in a derived savanna ecology · 2007

    Opposite directionCited by this paper

  3. negative
    Increasing maize planting density reduced soybean seed yield by 21% and 23% at 44,440 and 53,330 plants/ha compared with 38,000 maize plants/ha.

    Effect of maize planting density on the performance of maize/soybean intercropping system in a guinea savannah agroecosystem · 2007 · compared with intercropping at 38,000 maize plants/ha

    Same directionCited by this paper

  4. negative
    Maize intercropping reduced soybean yield 33.6%.

    Soybean–Cereal Intercropping Systems as Influenced by Nitrogen Nutrition · 2014

    Same directionCites this paper

  5. positive
    Single rows of maize alternating with double rows of soybean gave the best soybean yields.

    YIELD AND PRODUCTIVITY OF COMPONENT CROPS IN A MAIZE- SOYBEAN INTERCROPPING SYSTEM AS AFFECTED BY TIME OF PLANTING AND SPATIAL ARRANGEMENT · 2011

    Opposite direction

  6. positive
    Soybean and maize crop rotation promoted soybean and maize yield compared with a single cropping system, especially in the soybean-maize-maize and maize-soybean-soybean systems.

    The shift of soil microbial community induced by cropping sequence affect soil properties and crop yield · 2023 · compared with single cropping system

    Opposite direction

  7. positive
    The intercropping system increases the yield of soybean to silage in succession.

    An Innovative Corn to Silage-Grass-Legume Intercropping System With Oversown Black Oat and Soybean to Silage in Succession for the Improvement of Nutrient Cycling · 2020

    Opposite direction

  8. positive
    One soybean row between maize rows raised maize equivalent yield 67.8% versus paired maize rows.

    Weed Management in Maize and Soybean Intercropping System · 2002 · compared with paired rows of maize

    Opposite direction

70 papers more in this group

See all 79 papers →

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

218 papers: 131 positive, 87 negative or no effect

86 papers in the same direction as this claim · 131 in the opposite direction

  1. positive
    Total monetary return was higher for the intercrops than for the sole crops.

    Effect of maize planting density on the performance of maize/soybean intercropping system in a guinea savannah agroecosystem · 2007 · compared with sole crops

    Opposite directionCited by this paper

  2. positive
    Except in Zaria in 2014, the land equivalent ratio was higher at 50 cm maize spacing than at 65 cm.

    MAIZE–SOYBEAN INTERCROPPING FOR SUSTAINABLE INTENSIFICATION OF CEREAL–LEGUME CROPPING SYSTEMS IN NORTHERN NIGERIA · 2017 · compared with maize spaced at 65 cm

    Opposite directionCites this paper

  3. positive
    Intercropping soybean and maize on flat gave optimum yields.

    Intercropping soybean and maize in a derived savanna ecology · 2007

    Opposite directionCited by this paper

  4. positive
    All strip patterns gave higher whole-plant yield than sole cropping.

    Silage Quality and Output of Different Maize–Soybean Strip Intercropping Patterns · 2022 · compared with sole cropping

    Opposite directionCites this paper

  5. negative
    Maize intercropping reduced soybean yield 33.6%.

    Soybean–Cereal Intercropping Systems as Influenced by Nitrogen Nutrition · 2014

    Same directionCites this paper

  6. positive
    Yield and land equivalent ratio of both intercrops increased over sole crops

    Interspecific Interaction and Nutrient Use in Soybean/Sorghum Intercropping System · 2006 · compared with sole crops

    Opposite direction

  7. positive
    Soybean had higher grain yield after intercropping than after monocropped corn.

    Improving Soil Fertility and Crop Yield in a Tropical Region with Palisadegrass Cover Crops · 2015 · compared with monocropped areas

    Opposite direction

  8. positive
    soybean/potato intercropping showed significant yield advantage.

    Temporal Differentiation of Crop Growth as One of the Drivers of Intercropping Yield Advantage · 2018 · compared with corresponding monocultures

    Opposite direction

209 papers more in this group

See all 218 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.