Dual inoculation increased JS 335 seed weight by 21.20% over control.

Bradyrhizobium japonicum · yield · Glycine max (soybean)Positive and negative results

53 papers in the same direction as this claim · 6 in the opposite direction · 1 reporting no difference from an alternative

1. no effect
   B. japonicum inoculation did not improve soybean performance under either nitrogen source.

   Effect of bacterial root symbiosis and urea as source of nitrogen on performance of soybean plants grown hydroponically for Bioregenerative Life Support Systems (BLSSs) · 2015

   Opposite direction

2. no effect
   Inoculation with A. brasilense associated with B. japonicum did not affect agronomic traits or grain yield of RR soybean cultivars.

   Morphoagronomic and productive traits of RR soybean due to inoculation via Azospirillum brasilense groove · 2016 · compared with without inoculation

   Opposite direction

3. no effect
   Inoculation with B. japonicum had no significant effect on soybean productivity.

   Soybean yield in response to foliar fertilization, seed treatment with molybdenium and Bradyrhizobium japonicum inoculation · 2008

   Opposite direction

4. no effect
   The inoculation did not influence soybean 100-grain weight in the two crop years.

   Inoculation of Bradyrhizobium with cellular additives and micronutrients in soybean seeds cultivated in Oxisol under no-tillage system · 2015

   Opposite direction

5. no effect
   The introduced B. japonicum had no essential effect on plant productivity.

   [Survival of Bradyrhizobium japonicum strain 646a introduced into soil of the soybean, common bean and maize rhizosphere]. · 2004

   Opposite direction

6. no effect
   Bradyrhizobium inoculants did not increase soybean seed yield.

   Bradyrhizobium japonicum Inoculants Have Little Effect in Kentucky's Soybean‐Corn Rotation · 2018

   Opposite direction

7. no effect
   Equal seed yields were obtained by dressing with 142 kg N/ha or by inoculating seeds with Bradyrhizobium japonicum.

   Quality and yield of soybean seeds as affected by inoculation, NPK fertilization, and soil salinity · 1990 · compared with dressing with 142 kg N ha‐1

   No difference from an alternative

8. positive
   AMF and B. japonicum treatments improved soybean growth and yield under both drought and well-watered conditions compared with untreated plants.

   Physiological and biochemical responses of soybean plants inoculated with Arbuscular mycorrhizal fungi and Bradyrhizobium under drought stress · 2021 · compared with untreated plants

   Same direction

52 papers more in this group

Rhizophagus intraradices · yield · Glycine max (soybean)Results agree

7 papers in the same direction as this claim

1. positive
   R. intraradices inoculation increased number of pods, 100-seed weight and seed yield in both soybean cultivars.

   Influence of different arbuscular mycorrhizal fungi isolates in enhancing growth, phosphorus uptake and grain yield of soybean in a phosphorus deficient soil under field conditions · 2021 · compared with C. etunicatum and the control

   Same direction

2. positive
   R. intraradices inoculation gave higher soybean seed yield than the other two AMF species.

   Arbuscular mycorrhizal fungi species differentially regulate plant growth, phosphorus uptake and stress tolerance of soybean in lead contaminated soil · 2021 · compared with other two AMF species

   Same direction

3. positive
   VAMT plus PSB plus 75% P2O5 matched 100% P2O5 for productivity, nutrient measures and soil fertility.

   Glycine–Glomus–Phosphate Solubilizing Bacteria Interactions Lead to Fertilizer Phosphorus Economy in Soybean in a Himalayan Acid Alfisol · 2013 · compared with sole application of 100% P2O5 dose

   Same direction

4. positive
   R. intraradices inoculation enhanced soybean growth, phosphorus uptake and grain yield in polluted soils.

   A Growth and Phosphorus Uptake of Soybean (Glycine Max L.) in Response to Arbuscular Mycorrhizal Fungus Rhizophagus Intraradices Inoculation in Heavy Metal-contaminated Soils · 2021 · compared with non-inoculated treatment

   Same direction

5. positive
   Inoculation with R. intraradices or F. mosseae increased P uptake, shoot biomass and grain yield of soybean in both cropping years.

   Mycorrhizal growth and phosphorus responses of tropical soybean ( Glycine max L.) cultivars differ with arbuscular mycorrhizal fungi isolates and phosphorus application rates in a derived-savanna zone of Nigeria · 2021

   Same direction

6. positive
   Dual inoculation increased soybean hundred-grain weight by 35.46%.

   Dual microbial inoculation for tripartite benefits: soybean biomass enhancement, root rot control and chlorothalonil residue reduction · 2025 · compared with control group

   Same direction

7. positive
   R. intraradices inoculation gave the highest harvest index for seed and oil production.

   Evaluation of Symbiotic Relationship between Mycorrhizal Species and Soybean under Partial Root-Zone Drying Irrigation System · 2018

   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. positive
   Coinoculation gave better per-plant yield in all three varieties with and without fertilizer.

   Effect of Arbuscular Mycorrhizal Fungi (AMF) and Rhizobium Inoculation on Growth and Yield of Glycine max L. Varieties · 2022

   Same directionCites this paper

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

557 papers more in this group