Paper · 2025 · Annals of Bangladesh Agriculture

Enhancing soybean yields with plant growth-promoting rhizobacteria

Yusuf Folorunsho Abdulkareem1; Olawale Mashood Aliyu

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claims
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verbatim quotes
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citations
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Open access · cc-by-nc

Abstract

Soybean is a vital legume crop renowned for its high protein (42%) and oil (19.5%) contents. Despite its nutritional and economic significance, soybean production in Africa remains low. This study evaluated the effects of rhizobium inoculation rates (0, 0.5, 0.75, and 1.0 g per 10 g seeds) on yields of five soybean varieties (Sam soy-2, TGX-1448-2E, TGX-1479, Local, and TGX-1740) under field condition at National Center for Agricultural Mechanization (NCAM), Idofian and screenhouse conditions at Kwara State University, Malete in southern Guinea savannah environment of Nigeria. The two experiment (field and screen house) were laid out in a 5 x 4 split-plot arrangement fitted into randomized complete block design for the field and the screenhouse experiment was arranged in a complete randomized design with three replications. Results showed that Rhizobium inoculation significantly improved yield components, including nodulation, pod weight, seed weight, and hundred-seed weight, with the highest performance observed at 1.0 g inoculant rate. TGX-1479 exhibited superior yield traits in the field, while TGX-1740-1E performed the best in the screenhouse. Environmental factors influenced field performance more than genetic variation, whereas genetic composition dominated in the screenhouse. The study concludes that utilization of rhizobium inoculation at 1.0 g per 10 g seeds is a strategy to enhance soybean productivity, recommending TGX-1479 and TGX-1740-1E for optimal yields in the tropical agroecology. These findings might support sustainable soybean production to improve food security in the resource-limited regions. Ann. Bangladesh Agric. 29(1): 1-12

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Claims 9

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Rhizobium inoculation significantly improved nodulation, pod weight and seed weight.

Taxon
soybeanGlycine maxt0
Treatment
Rhizobium inoculatione1
Interactor
RhizobiumRhizobiume1symbiont
Outcome
nodulation, pod weight, seed weighte1
Direction
improvede1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Rhizobium
Rhizobium · Interactor · picture of the genus (one of its species)Ninjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e1

“Rhizobium inoculation significantly improved yield components, including nodulation, pod weight, seed weight, and hundred-seed weight, with the highest performance observed at 1.0 g inoculant rate”

✓ located verbatim in the source · abstract, characters 856–1052 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Rhizobium inoculation significantly improved hundred-seed weight.

Taxon
soybeanGlycine maxt0
Treatment
Rhizobium inoculatione1
Interactor
RhizobiumRhizobiume1symbiont
Outcome
hundred-seed weighte1
Direction
improvede1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Rhizobium
Rhizobium · Interactor · picture of the genus (one of its species)Ninjatacoshell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e1

“Rhizobium inoculation significantly improved yield components, including nodulation, pod weight, seed weight, and hundred-seed weight, with the highest performance observed at 1.0 g inoculant rate”

✓ located verbatim in the source · abstract, characters 856–1052 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The highest performance of soybean was observed at the 1.0 g inoculant rate.

Taxon
soybeanGlycine maxt0
Treatment
1.0 g inoculant ratee1
Outcome
performancee1
Direction
higheste1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e1

“Rhizobium inoculation significantly improved yield components, including nodulation, pod weight, seed weight, and hundred-seed weight, with the highest performance observed at 1.0 g inoculant rate”

✓ located verbatim in the source · abstract, characters 856–1052 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

TGX-1479 had superior yield traits in the field.

Taxon
soybeanGlycine maxt0
Material
TGX-1479e2
Outcome
yield traitse2
Direction
superiore2
Setting
in the fielde2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e2

“TGX-1479 exhibited superior yield traits in the field”

✓ located verbatim in the source · abstract, characters 1054–1107 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

TGX-1740-1E performed best in the screenhouse.

Taxon
soybeanGlycine maxt0
Material
TGX-1740-1Ee3
Outcome
performed the beste3
Direction
beste3
Setting
screenhousee3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e3

“TGX-1740-1E performed the best in the screenhouse”

✓ located verbatim in the source · abstract, characters 1115–1164 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Environmental factors influenced field performance more than genetic variation.

Taxon
soybeanGlycine maxt0
Treatment
Environmental factorse4
Outcome
field performancee4
Direction
influencede4
Comparator
genetic variatione4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e4

“Environmental factors influenced field performance more than genetic variation”

✓ located verbatim in the source · abstract, characters 1166–1244 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Genetic composition dominated performance in the screenhouse.

Taxon
soybeanGlycine maxt0
Outcome
genetic compositione5
Direction
dominatede5
Setting
screenhousee5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e5

“genetic composition dominated in the screenhouse”

✓ located verbatim in the source · abstract, characters 1254–1302 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Rhizobium inoculation at 1.0 g per 10 g seeds is a strategy to enhance soybean productivity.

Taxon
soybeanGlycine maxt0
Treatment
rhizobium inoculation at 1.0 g per 10 g seedse6
Outcome
soybean productivitye6

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e6

“utilization of rhizobium inoculation at 1.0 g per 10 g seeds is a strategy to enhance soybean productivity”

✓ located verbatim in the source · abstract, characters 1329–1435 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

TGX-1479 and TGX-1740-1E are recommended for optimal soybean yields in tropical agroecology.

Taxon
soybeanGlycine maxt0
Material
TGX-1479 and TGX-1740-1Ee7
Outcome
optimal yieldse7
Setting
tropical agroecologye7

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Enhancing soybean yields”

✓ located verbatim in the source · title, characters 0–24 · show in text ↑
e7

“recommending TGX-1479 and TGX-1740-1E for optimal yields in the tropical agroecology”

✓ located verbatim in the source · abstract, characters 1437–1521 · show in text ↑

Rhizobium · yield · Glycine max (soybean)Results differ

92 papers: 83 positive, 9 negative or no effect

82 papers in the same direction as this paper · 9 in the opposite direction

  1. no effect
  2. no effect
  3. no effect

88 papers more in this group

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Rhizobium · symbiosis · Glycine max (soybean)Positive and negative results

47 papers: 45 positive, 2 negative or no effect

44 papers in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. no effect
  3. positive

43 papers more in this group

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

310 papers: 265 positive, 45 negative or no effect

264 papers in the same direction as this paper · 43 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
  2. no effect
  3. negative

306 papers more in this group

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

566 papers: 491 positive, 75 negative or no effect

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

  1. no effect
  2. no effect
  3. no effect

562 papers more in this group

See all 566 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.