Co-inoculation of soybean with Bradyrhizobium and Pseudomonas significantly increased soybean growth, yield attributes and grain yield over single or no inoculation.

Bradyrhizobium · yield · Glycine max (soybean)Results differ

31 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

1. no effect
   Bradyrhizobium inoculation had no significant effect on soybean grain yield.

   Influence of Bradyrhizobium Inoculation and Fungicide Seed Treatment on Development and Yield of Cowpea, Lablab, and Soybean · 2017 · compared with a control

   Opposite direction

2. negative
   Sole Bradyrhizobium inoculation had 37.5% lower grain yield.

   INFLUENCE OF BRADYRHIZOBIUM AND TWO GLOMUS SPECIES ON THE GROWTH AND YIELD OF SOYBEAN · 2009 · compared with AMF treatments and SSP

   Opposite direction

3. no effect
   Bradyrhizobium inoculum in any formulation did not significantly increase soybean yield relative to the untreated control at any site.

   Soybean yield response to Bradyrhizobium inoculation on southeastern coastal plain soils · 2022 · compared with untreated control

   Opposite direction

4. no effect
   Bradyrhizobium seed inoculation gave grain yield similar to mineral nitrogen fertilization at 200 kg ha-1 of N, independently of the inoculant carrier.

   The effectiveness of different formulations of inoculants containing Bradyrhizobium on the soybean crop in Roraima. · 2010 · compared with mineral nitrogen fertilization with 200 kg ha-1 of N

   No difference from an alternative

5. positive
   The inoculant increased soybean grain yield by an average 169-kg/ha in Mississippi delta field tests.

   Improvement of Rhizobium Inoculants · 1989

   Same direction

6. positive
   Combined P and Bradyrhizobium inoculant produced higher grain yield responses.

   On-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghana · 2018

   Same direction

7. positive
   Co-inoculation raised soybean grain yield by up to 80%.

   Benefits of soybean co-inoculation with Bradyrhizobium spp. and Azospirillum brasilense: Large-scale validation with farmers in Brazil · 2024 · compared with non-inoculated

   Same direction

8. positive
   Integrated nutrient management significantly increased pods per plant.

   Nodulation, yield and quality of soybean as influenced by integrated nutrient management · 1970

   Same direction

27 papers more in this group

Pseudomonas · yield · Glycine max (soybean)Results agree

7 papers in the same direction as this claim

1. positive
   Bacterial application enhanced soybean yield components and grain yield.

   EFFECT OF BRADYRHIZOBIA AND PHOSPHATE SOLUBILIZING BACTERIA APPLICATION ON SOYBEAN IN ROTATIONAL SYSTEM IN THE MEKONG DELTA · 2006

   Same direction

2. positive
   Pseudomonas at 3 g kg-1 gave the highest soybean straw yield of 3241.6 kg ha-1.

   Effect of fungicides and bioagents on number of microorganisms in soil and yield of soybean (Glycine max) · 1970

   Same direction

3. positive
   Bacterial inoculation increased soybean seed yield by 65 to 134% versus control.

   Effect of inoculation with Bradyrhizobium and phosphate solubilizing bacteria on soybean seed yield and composition · 2021 · compared with control plants

   Same direction

4. positive
   Soybean yield was 43% higher with the microbial consortia treatment than with the control FUI.

   Effect of Microbial Consortia on Soil Health, Nutrient Uptake and Yield of Soybean Grown in a Vertisol of Central India · 2024 · compared with control FUI

   Same direction

5. positive
   Bradyrhizobium japonicum with Pseudomonas fluorencens enhanced soybean productivity.

   Growth-promoting bacteria in coinoculation in soybean · 2025

   Same direction

6. positive
   Trichoderma and Pseudomonas treatment improved soybean growth and production.

   Response to the growth of Soybean (Glycine max L.) Stadium Generative 1 on the application of Trichoderma sp and Pseudomonas flourescent as Biofertilizer · 2020

   Same direction

7. positive
   Co-inoculation increased soybean growth, yield attributes and grain yield compared with individual or no inoculation.

   Effect of application of biofertilizers to soybean (Glycine max) and nitrogen to tobacco (Nicotiuna tabacum) in soybean - tobacco cropping system · 2001 · compared with their individual inoculation and no inoculation

   Same direction

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

490 papers in the same direction as this claim · 63 in the opposite direction · 12 reporting no difference from an alternative

1. no effect
   Inoculation did not significantly change soybean seed yield in either year.

   Persistence and Recovery of Rhizobium japonicum Inoculum in a Field Soil¹ · 1984

   Opposite direction

2. no effect
   Across 63 environments, inoculants did not produce a soybean yield response significantly different from zero relative to untreated control.

   Probability of Yield Response to Inoculants in Fields with a History of Soybean · 2010 · compared with an untreated control

   Opposite direction

3. no effect
   Soybean soybean seed yield was unaffected by additional soil inoculation at V4 inoculation.

   Soybean yield, biological N2 fixation and seed composition responses to additional inoculation in the United States · 2019

   Opposite direction

4. no effect
   Inoculants did not significantly affect soybean seed yield on relatively high nitrogen soils.

   Yield and N Content of Soybean Seed as Influenced by Rhizobium japonicum Inoculants Possessing the Hydrogenase Characteristic¹ · 1981

   Opposite direction

5. no effect
   Inoculation did not significantly affect seed yield.

   Effects of Soil Water on Rhizobium japonicum Infection, Nitrogen Accumulation, and Yield in Bragg Soybeans¹ · 1981

   Opposite direction

6. no effect
   Inoculum did not increase soybean yield at 10 of 12 field locations.

   Impact of Inoculation and Use of Fertilizer Nitrogen on Soybean Production Where Growing Seasons Are Short · 1990

   Opposite direction

7. no effect
   GEM96 nodulation enhancement in Merlin did not increase field grain yield.

   Enhanced Soybean Productivity by Inoculation With Indigenous Bradyrhizobium Strains in Agroecological Conditions of Northeast Germany · 2022

   Opposite direction

8. no effect
   Production of foliage and seed nitrogen was satisfactory irrespective of inoculation rate in rhizobia-high plots.

   Low survival of Rhizobium japonicum inoculant leads to reduced nodulation, nitrogen fixation and yield of soybean in the current crop but not in the subsequent crop · 1987

   Opposite direction

557 papers more in this group