Abstract
The effects of plant growth promoting (PGP) bacteria on soybean growth and yield were tested in field conditions using four treatments: (A) Bradyrhizobium japonicum strain 526, combined with cell-free supernatants (CFS) of Bacillus sp. strain Q10 and Pseudomonas chlororaphis strain Q16; (B) B. japonicum 526 + Bacillus sp. Q10; (C) B. japonicum 526 + P. chlororaphis Q16 and (D) commercial fertilizer containing B. japonicum, which served as a control. The average values of dry weight per nodule and shoot dry weight had the maximum values in the B treatment. In dry shoots collected at the flowering stage, nitrogen and carbon content was similar across all treatments, while that of sulphur decreased in treatment A. Relative to the control (D), all treatments showed positive effects on pods number and grain mass per plant, with the best results yielded by treatment A. Nitrogen and sulphur content in grain were significantly higher in treatment C, whereas maximum carbon content was measured in treatment B. In the control, it was obtained the yield of 4,000 kgha-1, which was in accordance with data reported by the seed producer for the same growing conditions (the maximum value). The yields of 4,229, as well as 4,286 and 4,400 kg ha-1 were measured for variants C, B and A, respectively, which were statistically significant higher (5.73 to 10%) than the commercial fertilizer (D). The improvement in soybean growth and yield in the field trial achieved by addition of PGP strains Bacillus sp. Q10 and P. chlororaphis Q16 to B. japonicum 526 can result in more productive agricultural practices.
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Claims 11
Claim · model-written summary
Treatment B maximized dry weight per nodule and shoot dry weight.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- B treatmente0
- Outcome
- dry weight per nodule and shoot dry weighte0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weight per nodule and shoot dry weight had the maximum values in the B treatment”
t0“Soybean”
Claim · model-written summary
Shoot nitrogen and carbon content were similar across treatments at flowering.
- Taxon
- SoybeanGlycine maxt0
- Organ / stage
- flowering stagee0
- Treatment
- all treatmentse0
- Outcome
- nitrogen and carbon contente0
- Direction
- similare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In dry shoots collected at the flowering stage, nitrogen and carbon content was similar across all treatments”
t0“Soybean”
Claim · model-written summary
Shoot sulphur content decreased in treatment A.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- treatment Ae0
- Outcome
- sulphure0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of sulphur decreased in treatment A”
t0“Soybean”
Claim · model-written summary
Treatments increased pod number and grain mass per plant relative to control D.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- all treatmentse0
- Outcome
- pods number and grain mass per plante0
- Direction
- positive effectse0
- Comparator
- control (D)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Relative to the control (D), all treatments showed positive effects on pods number and grain mass per plant”
t0“Soybean”
Claim · model-written summary
Treatment A gave the best pod number and grain mass results.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- treatment Ae0
- Outcome
- best resultse0
- Direction
- beste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“best results yielded by treatment A”
t0“Soybean”
Claim · model-written summary
Treatment C raised grain nitrogen and sulphur content significantly.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- treatment Ce0
- Outcome
- Nitrogen and sulphur content in graine0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen and sulphur content in grain were significantly higher in treatment C”
t0“Soybean”
Claim · model-written summary
Treatment B had maximum grain carbon content.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- treatment Be0
- Outcome
- carbon contente0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum carbon content was measured in treatment B”
t0“Soybean”
Claim · model-written summary
Control D yielded 4,000 kgha-1.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- controle0
- Outcome
- yielde0
- Value
- 4,000 kgha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the control, it was obtained the yield of 4,000 kgha-1”
t0“Soybean”
Claim · model-written summary
Variant C yielded 4,229 kg ha-1, significantly above D.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- variants Ce0
- Outcome
- yieldse0
- Direction
- highere0
- Value
- 4,229e0
- Comparator
- commercial fertilizer (D)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of 4,229, as well as 4,286 and 4,400 kg ha-1 were measured for variants C, B and A, respectively, which were statistically significant higher (5.73 to 10%) than the commercial fertilizer (D)”
t0“Soybean”
Claim · model-written summary
Variant B yielded 4,286 kg ha-1, significantly above D.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Be0
- Outcome
- yieldse0
- Direction
- highere0
- Value
- 4,286e0
- Comparator
- commercial fertilizer (D)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of 4,229, as well as 4,286 and 4,400 kg ha-1 were measured for variants C, B and A, respectively, which were statistically significant higher (5.73 to 10%) than the commercial fertilizer (D)”
t0“Soybean”
Claim · model-written summary
Variant A yielded 4,400 kg ha-1, significantly above D.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Ae0
- Outcome
- yieldse0
- Direction
- highere0
- Value
- 4,400 kg ha-1e0
- Comparator
- commercial fertilizer (D)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yields of 4,229, as well as 4,286 and 4,400 kg ha-1 were measured for variants C, B and A, respectively, which were statistically significant higher (5.73 to 10%) than the commercial fertilizer (D)”
t0“Soybean”
The same questions in other papers
boron atom · yield · Glycine max (soybean)Results differ
39 papers in the same direction as this paper · 8 in the opposite direction
- no effect
- negative
- no effect
44 papers more in this group
See all 48 papers →boron atom · symbiosis · Glycine max (soybean)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.