Intercropping reduces grain yield of cowpea regardless of the arrangement.

intercropping · yield · Vigna unguiculata (cowpea)Results differ

39 papers in the same direction as this claim · 63 in the opposite direction

1. positive
   Intercropping significantly enhanced cowpea grain yield over monoculture, with NPKEC strongest.

   Role of fertilization regime on soil carbon sequestration and crop yield in a maize-cowpea intercropping system on low fertility soils · 2022 · compared with monoculture

   Opposite direction

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

   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 · compared with cowpea sole crops

   Opposite direction

3. positive
   Under well-distributed rainfall, intercropping millet SOSAT-C88 with cowpea KVX 396-4-5-2D displayed higher cowpea production.

   Combining soil fertilization, cropping systems and improved varieties to minimize climate risks on farming productivity in northern region of Burkina Faso · 2016

   Opposite direction

4. positive
   Flower and pod production were higher in fungus treated intercrops than fungus treated monocrops.

   Effect of Intercropping Cowpea with Maize on the Performance ofMetarhizium anisopliaeAgainstMegalurothrips sjostedti(Thysanoptera: Thripidae) and Predators · 1999 · compared with monocrop also treated with fungus

   Opposite direction

5. positive
   Intercropping cowpea with other legumes and cereals reduced weeds and raised grain and dry fodder yield relative to sole cropping.

   Weed Management in Cowpea-A Review · 2017 · compared with sole crop

   Opposite direction

6. positive
   Intercropping improved land equivalent ratio over sole crops, particularly with maize three weeks later.

   How Does Maize-Cowpea Intercropping Maximize Land Use and Economic Return? A Field Trial in Bangladesh · 2022 · compared with sole cropping of maize and cowpea

   Opposite direction

7. positive
   Sole cowpea had lower seed yield than cowpea intercropped with tomato.

   Observations on Insect Infestation and Damage in Cowpea (Vigna Unguiculata) Intercropped With Tomato (Lycopersicon Esculentum) in a Rain Forest Area of Nigeria · 1991 · compared with Sole cowpea

   Opposite direction

8. positive
   Intercropping out-performed monocropping in cowpea yield.

   Intercropping Sorghum with Cowpea in Dryland Farming Systems in Botswana. I. Field Experiments and Relative Advantages of Intercropping · 1987 · compared with monocropping

   Opposite direction

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