Abstract
Using sustainable management to maximize crop yield without increasing production costs is one of the great challenges of modern agriculture. This study aimed to evaluate the effect of nitrogen (N) supply management, associating inoculation with Rhizobium tropici, co-inoculation schemes with Azospirillum brasilense and mineral top-dressing fertilization, on the agronomic and qualitative performance of early-cycle common bean cultivars. The experiment was installed in a randomized block design, in a 2 x 12 factorial scheme (2 cultivars and 12 N supply management), with four repetitions. The N supply management consisted of the association of mineral fertilization with N (45 and 90 kg ha−1 of N in top-dressing), inoculation of seeds with Rhizobium tropici and co-inoculation of seeds and leaves with Azospirillum brasilense. The agronomic and qualitative performance of common bean was affected by the nitrogen supply management and by the cultivars, and the response was independent of the interaction between cultivars and N supply management. Except for plant dry mass, all variables analyzed showed maximum response in the treatment of seed inoculation with Rhizobium tropici, leaf-spray of Azospirillum brasilense and mineral top-dressing fertilization with 90 kg ha−1 of N, which led to a 27% increase in yield compared to the control. The cultivar IAC Imperador has a superior agronomic performance (grain yield = 2,840 kg ha−1) compared to IPR Curió (2,484 kg ha−1). The results demonstrated the feasibility of using co-inoculation with Azospirillum brasilense as a tool to increase yield, grain quality and sustainability in common bean production systems.
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Claims 7
Claim · model-written summary
Nitrogen supply management affected common bean agronomic and qualitative performance.
- Taxon
- common bean
Phaseolus vulgarise0 - Treatment
- nitrogen supply managemente0
- Outcome
- agronomic and qualitative performancee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The agronomic and qualitative performance of common bean was affected by the nitrogen supply management and by the cultivars”
Claim · model-written summary
Cultivar affected common bean agronomic and qualitative performance.
- Taxon
- common beanPhaseolus vulgarise0
- Material
- cultivarse0
- Outcome
- agronomic and qualitative performancee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The agronomic and qualitative performance of common bean was affected by the nitrogen supply management and by the cultivars”
Claim · model-written summary
The cultivar response was independent of the interaction with nitrogen supply management.
- Taxon
- common beansPhaseolus vulgarist0
- Outcome
- response was independent of the interaction between cultivars and N supply managemente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the response was independent of the interaction between cultivars and N supply management”
t0“common beans”
Claim · model-written summary
The combined seed Rhizobium inoculation, leaf Azospirillum spray and 90 kg nitrogen top dressing produced the maximum response for all analyzed variables except plant dry mass.
- Taxon
- common beansPhaseolus vulgarist0
- Treatment
- seed inoculation with Rhizobium tropici, leaf-spray of Azospirillum brasilense and mineral top-dressing fertilization with 90 kg ha−1 of Ne0
- Interactor
- Rhizobium tropici
Martinezella tropicie0symbiont - Second interactor
- Azospirillum brasilense
Azospirillum brasilensee0symbiont - Outcome
- all variables analyzede0
- Direction
- maximume0
- Qualifier
- Except for plant dry masse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Except for plant dry mass, all variables analyzed showed maximum response in the treatment of seed inoculation with Rhizobium tropici, leaf-spray of Azospirillum brasilense and mineral top-dressing fertilization with 90 kg ha−1 of N”
t0“common beans”
Claim · model-written summary
The combined treatment raised bean yield 27% relative to control.
- Taxon
- common beansPhaseolus vulgarist0
- Treatment
- seed inoculation with Rhizobium tropici, leaf-spray of Azospirillum brasilense and mineral top-dressing fertilization with 90 kg ha−1 of Ne0
- Interactor
- Rhizobium tropiciMartinezella tropicie0symbiont
- Second interactor
- Azospirillum brasilenseAzospirillum brasilensee0symbiont
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 27%e0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed inoculation with Rhizobium tropici, leaf-spray of Azospirillum brasilense and mineral top-dressing fertilization with 90 kg ha−1 of N, which led to a 27% increase in yield compared to the control”
t0“common beans”
Claim · model-written summary
IAC Imperador had higher grain yield than IPR Curió.
- Taxon
- common beansPhaseolus vulgarist0
- Material
- IAC Imperadore0
- Outcome
- grain yielde0
- Direction
- superiore0
- Value
- 2,840 kg ha−1e0
- Qualifier
- 2,484 kg ha−1e0
- Comparator
- IPR Curióe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivar IAC Imperador has a superior agronomic performance (grain yield = 2,840 kg ha−1) compared to IPR Curió (2,484 kg ha−1)”
t0“common beans”
Claim · model-written summary
Co-inoculation with Azospirillum brasilense was judged feasible for increasing yield, grain quality and production sustainability.
- Taxon
- common beanPhaseolus vulgarise0
- Treatment
- co-inoculation with Azospirillum brasilensee0
- Interactor
- Azospirillum brasilenseAzospirillum brasilensee0symbiont
- Outcome
- increase yield, grain quality and sustainabilitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“feasibility of using co-inoculation with Azospirillum brasilense as a tool to increase yield, grain quality and sustainability in common bean production systems”
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