The 1:4 ratio gave bean above-ground biomass of 3.87 ton ha-1.

Zea mays · growth · Phaseolus vulgaris (common bean)Positive and negative results

1 paper in the same direction as this claim · 2 in the opposite direction

1. no effect
   P590 plant and pod weight development was similar in monoculture and with landrace maize.

   Plant and nodule development and nitrogen fixation in climbing cultivars of Phaseolus vulgaris L. grown in monoculture, or associated with Zea mays L. · 1978 · compared with monoculture

   Opposite direction

2. no effect
   Intercropping did not significantly change bean growth dynamics under either fertilizer.

   Influence of Simultaneous Intercropping of Maize-Bean with Input of Inorganic or Organic Fertilizer on Growth, Development, and Dry Matter Partitioning to Yield Components of Two Lines of Common Bean · 2022

   Opposite direction

3. positive
   Maize intercropped with crotalaria gave common bean grains of higher size.

   Maize cropping systems and response of common bean in succession subjected to nitrogen fertilization1 · 2019

   Same direction

intercropping · growth · Phaseolus vulgaris (common bean)Positive and negative results

11 papers in the same direction as this claim · 4 in the opposite direction

1. no effect
   Intercropping did not affect emergence or plant vigor.

   The Effect of Plant Population Density on Yield and Yield Parameters of Potato, Maize and Beans in an Intercropping System in Bambili, the Western Highlands of Cameroon · 2021

   Opposite direction

2. negative
   Intercropped bean had lower growth indices than monocropped bean.

   Assessment of the Growth Indices of Intercropped Fennel (Foeniculum vulgare), Sesame (Sesamum indicum) and Bean (Phaseolus vulgaris) · 2021 · compared with monoculture

   Opposite direction

3. negative
   Intercropping reduced bean height by 48%.

   Performance of Direct-Seeded Upland Rice-Based Intercropping Systems Under Paired Rows in East-West Orientation · 2024

   Opposite direction

4. negative
   Bean growth was significantly reduced in polyculture versus monoculture.

   A functional–structural plant model for climbing bean: simulating light capture in maize/bean polycultures · 2025 · compared with monocultures

   Opposite direction

5. positive
   Intercropping had a growth advantage, with land equivalent ratios of 1.38 to 1.86.

   Productivity of maize-bean intercropping in a semi-arid region of South Africa · 2004

   Same direction

6. positive
   Wheat and bean intercrops were higher in total forage dry matter yield than either wheat or bean grown as sole crops.

   Intercropped wheat (Triticum aestivum L.) and bean (Vicia faba L.) as a whole‐crop forage: effect of harvest time on forage yield and quality · 2003 · compared with wheat or bean grown as sole crops

   Same direction

7. positive
   Intercropped bean radiation use efficiency was 77% higher than sole cropping.

   Shade Effects on Phaseolus vulgaris L. Intercropped with Zea mays L. under Well‐Watered Conditions · 2004 · compared with sole‐cropped

   Same direction

8. positive
   Simultaneous intercropping produced taller and more vigorous bean growth than delayed intercropping.

   Effect of Variety and Time of Intercropping of Common Bean (Phaseolus vulgaris L.) With Maize (Zea mays L.) on Yield Components and Yields of Associated Crops and Productivity of the System at Mid-Land of Guji, Southern Ethiopia · 2018 · compared with delayed intercropping

   Same direction

7 papers more in this group