Triple co-inoculation gave the highest sandy-soil profit, $956 ha −1, 25.6% above nitrogen fertilization.

inoculation · yield · Phaseolus vulgaris (common bean)Positive and negative results

152 papers in the same direction as this claim · 36 in the opposite direction · 6 reporting no difference from an alternative

1. no effect
   BRSMG Uai common bean inoculated with rhizobial strain CIAT 899 gave yields similar to those with 80 kg ha-1 of N-urea fertilisation.

   Inoculation with Rhizobium tropici can totally replace N-fertilization in the recently released BRSMG Uai bean cultivar · 2021 · compared with fertilization with 80 kg ha-1 of N-urea

   Opposite directionCited by this paper

2. positive
   At Halaba, HAMBI3562 inoculated bean yielded 1500 ± 81 kg ha−1 versus 653 ± 22 kg ha−1 for the control.

   Rhizobial inoculation improves drought tolerance, biomass and grain yields of common bean (Phaseolus vulgaris  L.) and soybean (Glycine max L.) at Halaba and Boricha in Southern Ethiopia · 2019 · compared with control

   Same directionCited by this paper

3. positive
   Triple co-inoculation promoted grains per pod, hundred seed weight and grain production.

   Co-inoculation of rhizobia, azospirilla and cyanobacteria for increasing common bean production · 2020

   Same directionCited by this paper

4. positive
   The combined treatment raised bean yield 27% relative to control.

   Sustainable production of common beans: inoculation, co-inoculation and mineral fertilization in early-cycle cultivars · 2020 · compared with the control

   Same directionCited by this paper

5. positive
   Co-inoculation at the V4 stage resulted in an 8.5% increase in yield compared with nitrogen fertilization.

   Optimizing Common Bean Symbiosis via Stage-Specific Reinoculation and Co-Inoculation · 2025 · compared with nitrogen fertilization

   Same directionCites this paper

6. positive
   Coinoculated common bean cultivars maintained yields comparable to nitrogen fertilization.

   Reducing the Severity of Fusarium Wilt in Common Beans ( Phaseolus vulgaris L.) by Coinoculation of Rhizobium tropici and Azospirillum brasilense · 2026 · compared with nitrogen fertilization

   Same directionCites this paper

7. negative
   Inoculated treatments yielded significantly less than the control.

   Effects of Angular Leaf Spot and Rust on Yield Loss of Phaseolus vulgaris · 2001 · compared with control treatment

   Opposite direction

8. no effect
   LCS0306 inoculation gave grain yield similar to nitrogen-fertilised controls.

   Formulation of a Highly Effective Inoculant for Common Bean Based on an Autochthonous Elite Strain of Rhizobium leguminosarum bv. phaseoli, and Genomic-Based Insights Into Its Agronomic Performance · 2019 · compared with nitrogen-fertilised controls

   Opposite direction

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