Abstract
Abstract Information regarding the interaction between biological nitrogen fixation (BNF) with Azospirillum brasilense inoculation and the use of silicon (Si) is needed. Silicon exerts numerous benefits on grasses, especially when the plants are subjected to biotic and abiotic stresses, affecting plant nutrition. The aim of this research was to determine if there is a synergistic effect between the inoculation with A. brasilense and Si use, on macro-nutrient content in corn shoot and root. The field trial was performed in Selvíria, Brazil, on a Typic Rhodic Hapludox soil under no-till system. The experimental design was a completely randomized block design with four replicates arranged in a 2 × 5 × 2 triple factorial arrangement, consisting of two soil acidity corrective sources (dolomitic limestone and Ca and Mg silicate as sources of Si); five N doses (0, 50, 100, 150 and 200 kg ha -1 applied in topdressing); with and without seed inoculation with A. brasilense . The inoculation favored N concentration in shoots and increased the N and S concentration even when associated to high N rates in topdressing. The Si as Ca and Mg silicate associated with the increment of N rates does not promote an increase in the macronutrients uptake. Although it did not favor the N use, the Si also did not negatively affect the benefits of the A. brasilense .
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Claims 3
Claim · model-written summary
Azospirillum inoculation favored shoot N concentration.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- inoculatione0
- Interactor
- Azospirillum brasilense
Azospirillum brasilenset0symbiont - Outcome
- N concentration in shootse0
- Direction
- favorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation favored N concentration in shoots”
t0“Influence of Azospirillum brasilense associated with silicon and nitrogen fertilization on macronutrient contents in corn”
Claim · model-written summary
Inoculation increased N and S concentration even at high nitrogen rates.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- inoculatione0
- Interactor
- Azospirillum brasilenseAzospirillum brasilenset0symbiont
- Outcome
- N and S concentratione0
- Direction
- increasede0
- Qualifier
- high N rates in topdressinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation favored N concentration in shoots and increased the N and S concentration even when associated to high N rates in topdressing”
t0“Influence of Azospirillum brasilense associated with silicon and nitrogen fertilization on macronutrient contents in corn”
Claim · model-written summary
Silicate with increasing N did not increase macronutrient uptake.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Si as Ca and Mg silicate associated with the increment of N ratese0
- Outcome
- macronutrients uptakee0
- Direction
- does not promote an increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Si as Ca and Mg silicate associated with the increment of N rates does not promote an increase in the macronutrients uptake”
t0“Influence of Azospirillum brasilense associated with silicon and nitrogen fertilization on macronutrient contents in corn”
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