Intervention effectmodel-written summary

Azospirillum sp. L26 with 30 kg N per hectare at sowing gave maize yield equivalent to 160 kg N per hectare.

A claim from Maize response to inoculation with strains of plant growth-promoting bactéria · 2016

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Azospirillum sp. L26 with 30 kg N per hectare at sowing gave maize yield equivalent to 160 kg N per hectare.

Taxon: maizeZea mayse1
Treatment: Azospirillum sp. L26e0
Interactor: Azospirillum sp. L26e0symbiont
Outcome: yieldse0
Direction: equivalente0
Qualifier: 30 kg of N ha-1 at sowinge0
Comparator: N fertilization of 160 kg ha-1e0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValue

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

*Zea mays* · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0
“the isolate Azospirillum sp. L26 associated with 30 kg of N ha-1 at sowing promoted yields equivalent to that of the N fertilization of 160 kg ha-1”
✓ located verbatim in the source · abstract, characters 754–901

e1
“maize seeds”
✓ located verbatim in the source · abstract, characters 964–975

Title

Maize response to inoculation with strains of plant growth-promoting bactéria

Janaína Dartora; Vandeir F. Guimarães; Cid R. J. Menezes; et al. Revista Brasileira de Engenharia Agrícola e Ambiental 2016. doi:10.1590/1807-1929/agriambi.v20n7p606-611

Other claims from this paper (2)

Intervention effect Rhizobium sp. 8121 with 30 kg N per hectare at sowing gave maize yield equivalent to 160 kg N per hectare.
Recommendation The authors identify these bacterial isolates as potential maize seed inoculants.

Record rev-0d1bea40fc52dac0929f9d65b4735fdc6e94dc8d92c169338ad39b52cdc8abf0 · schema claims-v0.9 · position 2 in the model’s answer

Azospirillum · yield · Zea mays (maize)Results differ

52 papers: 47 positive, 5 negative or no effect

4 papers in the same direction as this claim · 47 reporting no difference from an alternative

positive
Azospirillum inoculation without nitrogen increased maize productivity by 15.4% in 2000/2001.
Inoculation with Azospirillum, associated with nitrogen fertilization in maize · 2012
No difference from an alternativeCited by this paper
positive
Azospirillum with enriched Rhizobium metabolites significantly increased maize grain yield versus non-inoculated controls in five of six experiments.
Maize growth promotion by inoculation with Azospirillum brasilense and metabolites of Rhizobium tropici enriched on lipo-chitooligosaccharides (LCOs) · 2015 · compared with non-inoculated control
No difference from an alternative
positive
Field inoculation increased straw yield by 150–170%.
Response of maize plants to inoculation with azospirilla and (or) straw amendment in Egypt · 1983
No difference from an alternative
positive
Across all field trials, Azospirillum inoculation increased maize yield by an average 651.58 kg·ha-1.
The influence of topdressing nitrogen on Azospirillum spp. inoculation in maize crops through meta-analysis · 2018 · compared with absence of Azospirillum spp.
No difference from an alternative
positive
Azospirillum s-21 inoculation produced the greatest maize grain weight.
Growth Promotion of Maize (Zea maysL.) by Plant-Growth-Promoting Rhizobacteria under Field Conditions · 2012
No difference from an alternative
positive
Field inoculation with Azospirillum increased commercial yields of sweet corn cv. Jubilee.
THE EFFECT OF AZOSPIRILLUM INOCULATION ON GROWTH AND YIELD OF CORN · 2013
No difference from an alternative
positive
Biopriming with liquid Azospirillum 20% for 12 h increased dry matter production over nonprimed seed of maize COH(M) 5.
Biopriming of maize hybrid COH(M) 5 seed with liquid biofertilizers for enhanced germination and vigour · 2013 · compared with nonprimed seed
No difference from an alternative
positive
Dual Azotobacter and Azospirillum inoculation had the highest maize height, yield components, yields and protein content compared with other treatments.
The Effect of deficit irrigation and Azotobacter Chroococcum and Azospirillum brasilense on grain yield, yield components of maize (S.C. 704) as a second cropping in western Iran · 2013 · compared with other treatments
No difference from an alternative

43 papers more in this group

See all 52 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.

Other papers on the same question

Azospirillum · yield · Zea mays (maize)Results differ