Intervention effectmodel-written summary

Yield components and grain yield of maize and cowpea were lower under intercropping than under monoculture.

A claim from Influence of height of maize variety on the productivity of intercropped maize (Zea mays L.) and cowpea (Vigna unguiculata (L.) Walp) · 2000

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield components and grain yield of maize and cowpea were lower under intercropping than under monoculture.

Taxon
maize and cowpeaVigna unguiculataZea mayse0
Treatment
intercroppinge0
Outcome
Yield components and grain yielde0
Direction
lowere0
Comparator
monoculture systemse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

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 ↗
Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Yield components and grain yield of maize and cowpea were lower under intercropping than in monoculture systems”

✓ located verbatim in the source · abstract, characters 494–605

Title

Influence of height of maize variety on the productivity of intercropped maize (Zea mays L.) and cowpea (Vigna unguiculata (L.) Walp)

YA Abayomi Ghana Journal of Agricultural Science 2000. doi:10.4314/gjas.v33i2.1871

Other claims from this paper (8)

Record rev-913afcdbbc5d4efec93dca4c3f081220075bdad6402f9386721c70e814bad0f7 · schema claims-v0.9 · position 8 in the model’s answer

intercropping · yield · Vigna unguiculata (cowpea)Results differ

103 papers: 63 positive, 40 negative or no effect

40 papers in the same direction as this claim · 62 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

94 papers more in this group

See all 103 papers →

intercropping · yield · Zea mays (maize)Positive and negative results

834 papers: 613 positive, 221 negative or no effect

221 papers in the same direction as this claim · 612 in the opposite direction

  1. positive
  2. negative
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

825 papers more in this group

See all 834 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.