Abstract
The common bean relies on biological nitrogen fixation to meet part of its nitrogen requirements. This study aimed to evaluate the effect of reinoculation with Rhizobium tropici, alone or combined with Azospirillum brasilense, at different phenological stages. The experiments were conducted in the winter of 2023 and the rainy season of 2023/24, and significant differences were observed between seasons, mainly due to temperature and water stress, which impacted nodulation, plant growth and grain yield. However, appropriate water management mitigated these limitations, allowing reinoculation combined with co-inoculation at the V4 stage to improve nodular and morphophysiological traits, ensuring adequate nutrition through biological nitrogen fixation. This strategy promoted nodulation and plant development, resulting in an 8.5% increase in yield compared to nitrogen fertilization (80 kg ha−1), reaching 2197.87 kg ha−1. These results suggest that reinoculation with co-inoculation at the V4 stage can enhance biological nitrogen fixation, reduce dependence on synthetic fertilizers and serve as a sustainable and economically viable alternative.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 2
Claim · model-written summary
Reinoculation combined with co-inoculation at the V4 stage improved nodular and morphophysiological traits of common bean.
- Taxon
- common bean
Phaseolus vulgarise1 - Treatment
- reinoculation combined with co-inoculation at the V4 stagee2
- Interactor
- Rhizobium tropici
Martinezella tropicie0symbiont
- Second interactor
- Azospirillum brasilense
Azospirillum brasilensee0symbiont - Outcome
- nodular and morphophysiological traitse2
- Direction
- improvee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
e0“This study aimed to evaluate the effect of reinoculation with Rhizobium tropici, alone or combined with Azospirillum brasilense, at different phenological stages”
e1“The common bean relies on biological nitrogen fixation to meet part of its nitrogen requirements”
e2“allowing reinoculation combined with co-inoculation at the V4 stage to improve nodular and morphophysiological traits”
Claim · model-written summary
Co-inoculation at the V4 stage resulted in an 8.5% increase in yield compared with nitrogen fertilization.
- Taxon
- common bean
Phaseolus vulgarise1 - Treatment
- reinoculation combined with co-inoculation at the V4 stagee2
- Outcome
- yielde3
- Direction
- increasee3
- Value
- 8.5%e3
- Comparator
- nitrogen fertilizatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“The common bean relies on biological nitrogen fixation to meet part of its nitrogen requirements”
e2“allowing reinoculation combined with co-inoculation at the V4 stage to improve nodular and morphophysiological traits”
e3“resulting in an 8.5% increase in yield compared to nitrogen fertilization”
The same questions in other papers
inoculation · Martinezella tropici · Phaseolus vulgaris (common bean)Positive and negative results
11 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- positive
9 papers more in this group
See all 13 papers →inoculation · yield · Phaseolus vulgaris (common bean)Positive and negative results
152 papers in the same direction as this paper · 36 in the opposite direction · 6 reporting no difference from an alternative
- positive
- positive
- positive
191 papers more in this group
See all 195 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.