Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

H. seropedicae inoculation increased chlorophyll content, aboveground N content and N-use efficiency.

Outcome: chlorophyll content, content of N in aboveground and N use efficiencye0

Not reportedTaxonTreatmentComparatorDirection

Verbatim

e0
“chlorophyll content, content of N in aboveground and N use efficiency”
✓ located verbatim in the source · abstract, characters 1105–1174

Title

Inoculation of Herbaspirillum seropedicae in three corn genotypes under different nitrogen levels

de Oliveira Arajo rica; Martins Mercante Fbio; Carlos Tadeu Vitorino Antonio; et al. African Journal of Agricultural Research 2014. doi:10.5897/ajar2013.7452

Other claims from this paper (3)

Observation BRS 3035 had the most shoot dry mass, greater height and stem diameter and root volume, and highest N-use efficiency.
Intervention effect H. seropedicae inoculation increased root volume and length and shoot dry weight.
Intervention effect Strain Z-94 plus nitrogen increased aerial N concentration by up to 25%.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors conclude that N-use efficiency optimises biological N fixation and reduces dependency on mineral N input.

Taxon: common beanPhaseolus vulgarise0
Outcome: BNFe1
Qualifier: N-use efficiencye1

Verbatim

e0
“hydroponic common bean (Phaseolus vulgaris L.)”
✓ located verbatim in the source · abstract, characters 182–228

e1
“N-use efficiency optimises BNF, reduces mineral-N-input dependency”
✓ located verbatim in the source · abstract, characters 1760–1826

Title

Hydroponic Common-Bean Performance under Reduced N-Supply Level and Rhizobia Application

Ioannis Karavidas; Georgia Ntatsi; Theodora Ntanasi; et al. Plants 2023. doi:10.3390/plants12030646

Other claims from this paper (7)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Inoculation increased nitrogen-use efficiency, apparent nitrogen recovery, and net returns.

Taxon: wheatTriticum aestivumt0
Treatment: inoculatione0
Outcome: N-use efficiency, apparent N recovery and net returnse0
Direction: moree0

Not reportedComparator

Verbatim

e0
“Similarly, N-use efficiency, apparent N recovery and net returns were more under inoculation.”
✓ located verbatim in the source · abstract, characters 360–453

t0
“wheat”
✓ located verbatim in the source · title, characters 104–109

Title

Effect of Bio fertilizers and nitrogen on yield, N Up-Take, N-Use efficiency and apparent N Recovery in wheat

Sanjeev Kumar Gupta; Ram Prasad; M. Ghosh; et al. Progressive Agriculture 2017. doi:10.5958/0976-4615.2017.00012.6

Other claims from this paper (8)

Intervention effect Rhizobacteria inoculation increased wheat grain yield by 5.96% over control.
Intervention effect Azotobactor inoculation increased wheat grain yield by 7.55% over control.
Intervention effect Rhizobacteria inoculation increased mean net returns by 9.7% over control.
Intervention effect Azotobacter inoculation increased mean net returns by 7.2% over control.
Intervention effect Nitrogen at 120 kg/ha enhanced wheat grain yield, harvest index, nitrogen-use efficiency, and apparent nitrogen recovery.
Intervention effect The difference between 60 and 120 kg N/ha was not significant.
Intervention effect Organic carbon and total nitrogen content of soil improved up to 60 kg N/ha.
Intervention effect Biofertilizer application improved organic carbon and total nitrogen content of soil.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

NECPI produced the greatest effect on photosynthetic N use efficiency.

Taxon: sunflowerHelianthus annuust0
Treatment: nitrogen‐enriched compost+PGPR inoculant (NECPI)e0
Interactor: PGPRe0symbiont
Outcome: photosynthetic N use efficiency (PNUE)e0
Direction: Greatere0
Comparator: chemical N fertilizer+PGPR inoculant (CNFPI)e0

Verbatim

e0
“Greater effects on N yield efficiency (NYE), N use efficiency (NUE), N physiological efficiency (NPE), and photosynthetic N use efficiency (PNUE) were recorded in nitrogen‐enriched compost+PGPR inoculant (NECPI) treatment followed by chemical N fertilizer+PGPR inoculant (CNFPI) treatment”
✓ located verbatim in the source · abstract, characters 691–979

t0
“sunflower”
✓ located verbatim in the source · title, characters 149–158

Title

Nitrogen‐enriched compost application combined with plant growth‐promoting rhizobacteria (PGPR) improves seed quality and nutrient use efficiency of sunflower

Muhammad Saleem Arif; Sher Muhammad Shahzad; Muhammad Riaz; et al. Journal of Plant Nutrition and Soil Science 2017. doi:10.1002/jpln.201600615

Other claims from this paper (8)

Intervention effect Integrated nitrogen biofertilizer raised sunflower seed oil concentration significantly in both years.
Intervention effect Integrated nitrogen biofertilizer raised sunflower seed fatty acid composition significantly in both years.
Intervention effect Integrated nitrogen biofertilizer raised sunflower harvest index significantly in both years.
Observation NECPI produced the greatest effects on NYE, NUE and NPE.
Association Treatment by year interaction significantly affected linoleic and linolenic acids.
Association Treatment by year interaction significantly affected NYE and NUE.
Observation Soil nitrogen fertility improved after two consecutive sunflower cropping years.
Recommendation The authors suggest PGPR with NEC may optimize nitrogen uptake efficiency and reduce fertilizer losses.

Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Alder increased carbon use efficiency when N fixation was up-regulated.

Taxon: alderAlnuse0
Outcome: efficiency of C usee0
Direction: increasee0
Qualifier: when N fixation is up‐regulatede0

Verbatim

e0
“alder employs mechanisms to increase the efficiency of C use when N fixation is up‐regulated”
✓ located verbatim in the source · abstract, characters 1183–1275

Title

Ecosystem‐level consequences of symbiont partnerships in an N‐fixing shrub from interior Alaskan floodplains

Roger W. Ruess; Michael D. Anderson; Jack M. McFarland; et al. Ecological Monographs 2012. doi:10.1890/12-0782.1

Other claims from this paper (14)

Intervention effect P fertilization increased alder nodule biomass relative to controls.
Intervention effect P fertilization increased alder N-fixation rates relative to controls.
Intervention effect N fertilization lowered alder nodule biomass relative to controls.
Intervention effect N fertilization lowered alder N-fixation rates relative to controls.
Intervention effect Stand-level N inputs in +P plots exceeded +N plots by more than an order of magnitude.
Association Nodule respiration and N-fixation rates were positively correlated in alder.
Observation Two of eight identified Frankia OTUs were dominant.
Association Fertilization explained significant differences in Frankia OTU composition.
Observation Dominant Frankia OTUs responded similarly to up- and down-regulation treatments.
Observation Dominant Frankia OTUs differed in carbon costs of N fixation.
Intervention effect The most abundant subdominant Frankia OTU failed to increase N fixation in +P plots.
Mechanism Differences in Frankia traits may explain alder host choice and successional shifts.
Mechanism Manipulating Frankia assemblages was suggested as an alder adaptation across different environments.
Mechanism Alder changes in carbon allocation to nodules appear to drive and respond to environmental heterogeneity.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

VAM soybean leaves had higher photosynthetic N-use efficiency than non-VAM leaves.

Taxon: soybeanGlycine maxe1
Treatment: VAMe0
Interactor: Glomus mosseaeFunneliformis mosseaee2symbiont
Outcome: Photosynthetic N-use efficiencye0
Direction: highere0
Comparator: non-VAM plantse0

Verbatim

e0
“Photosynthetic N-use efficiency was also higher in VAM than in non-VAM plants”
✓ located verbatim in the source · abstract, characters 736–813

e1
“soybean plants”
✓ located verbatim in the source · abstract, characters 75–89

e2
“Glomus mosseae”
✓ located verbatim in the source · abstract, characters 300–314

Title

The Glycine-Glomus-Rhizobium Symbiosis

Milford S. Brown; Gabor J. Bethlenfalvay PLANT PHYSIOLOGY 1988. doi:10.1104/pp.86.4.1292

Other claims from this paper (7)

Intervention effect VAM soybean leaves had higher photosynthetic P-use efficiency than P-fertilized leaves regardless of N source.
Intervention effect Nodulated soybean plants had higher CER in the N-source comparison.
Intervention effect CER, starch accumulation and leaf area differed most between nonsymbiotic soybean plants and plants with both endophytes.
Association Leaf P concentration changed significantly with decreasing soybean leaf age between tripartite and nonsymbiotic treatments.
Association Leaf N concentration did not change significantly with decreasing soybean leaf age.
Intervention effect Both endophytes apparently enhanced soybean CO(2) fixation at lower N and/or P concentrations than nonsymbiotic plants.
Intervention effect The two endophytes had additive effects on soybean CO(2) fixation.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Native species increased N-use efficiency by altering N-uptake patterns in the presence of invasive plants.

Taxon: Native speciese1
Treatment: presence of invasive plantse1
Interactor: invasive plantse1other
Outcome: N-use efficiencye1
Direction: increasede1

Not reportedComparator

Verbatim

e1
“Native species reduced their N-uptake rates but increased N-use efficiency through altering N-uptake patterns in the presence of invasive plants”
✓ located verbatim in the source · abstract, characters 1346–1490

Title

Plasticity of Plant N Uptake in Two Native Species in Response to Invasive Species

Yi-Heng Hu; Yu-Lu Zhou; Jun-Qin Gao; et al. Forests 2019. doi:10.3390/f10121075

Other claims from this paper (9)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Leaf area, N and water-use efficiency were higher in communities containing Trifolium.

Taxon: TrifoliumTrifoliume0
Treatment: presence of Trifoliume0
Outcome: leaf area, N, water-use efficiencye0
Direction: highere0

Not reportedComparator

Verbatim

e0
“In addition the community traits related to water and N acquisition and use (leaf area, N, water-use efficiency, and deep root growth) were higher in the presence of Trifolium.”
✓ located verbatim in the source · abstract, characters 908–1084

Title

Presence of Trifolium repens Promotes Complementarity of Water Use and N Facilitation in Diverse Grass Mixtures

Pauline Hernandez; Catherine Picon-Cochard Frontiers in Plant Science 2016. doi:10.3389/fpls.2016.00538

Other claims from this paper (10)

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Higher N use efficiency of wheat is attributed to higher Verrucomicrobia and Planctomycetes and lower Proteobacteria abundance.

Taxon: WheatTriticum aestivumt0
Outcome: higher N use efficiencye0
Qualifier: higher phyla Verrucomicrobia and Planctomycetes, and lower Proteobacteria abundancee0

Verbatim

t0
“Nitrogen Use Efficiency of Wheat”
✓ located verbatim in the source · title, characters 75–107

e0
“whose higher N use efficiency was attributed to the higher phyla Verrucomicrobia and Planctomycetes, and lower Proteobacteria abundance”
✓ located verbatim in the source · abstract, characters 1679–1814

Title

Long-Term Nitrogen Fertilization Impacts on Soil Bacteria, Grain Yield and Nitrogen Use Efficiency of Wheat in Semiarid Loess Plateau, China

Aixia Xu; Lingling Li; Jeffrey A. Coulter; et al. Agronomy 2020. doi:10.3390/agronomy10081175

Other claims from this paper (11)

Intervention effect The highest NUE (28%) was observed at 105 kg N ha−1.
Intervention effect Grain yield was 44% higher than control at 105 kg N ha−1.
Intervention effect N fertilization significantly increased N uptake and grain yield of wheat.
Intervention effect N fertilization decreased soil pH.
Intervention effect N fertilization increased soil ammonium, nitrate and available phosphorus.
Intervention effect Bacterial diversity was significantly increased at N105.
Association Soil bacterial community was strongly related to soil chemical properties, with ammonium content the most important contributor.
Observation The dominant soil bacterial phyla were Proteobacteria, Actinobacteria, Acidobacteria, Chloroflexi, Gemmatimonadetes, Bacteroidetes, Nitrospirae, Verrucomicrobia and Planctomycetes.
Association Higher grain yield of wheat was related to higher class Gammaproteobacteria and Sphingobacteriia abundance.
Association Higher grain yield of wheat was related to lower class Acidobacteria and Chloroflexia abundance.
Recommendation 105 kg N ha−1 yr−1 is the optimum N rate for diversified soil bacterial community and wheat yield in semiarid Loess Plateau.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

AM plants had greater C accumulation and N use efficiency than non-AM plants.

Taxon: Glycine max L.Glycine maxe0
Treatment: AM plantse4
Outcome: C accumulation and N use efficiencye4
Direction: greatere4
Comparator: non-AM plantse4

Verbatim

e0
“Glycine max L. grown under water stress in pot experiment”
✓ located verbatim in the source · abstract, characters 321–378

e4
“AM plants had greater C accumulation and N use efficiency than non-AM plants”
✓ located verbatim in the source · abstract, characters 1006–1082

Title

Arbuscular mycorrhiza improves nitrogen use efficiency in soybean grown under partial root-zone drying irrigation

Hang Liu; Fengbin Song; Shengqun Liu; et al. Archives of Agronomy and Soil Science 2018. doi:10.1080/03650340.2018.1493724

Other claims from this paper (6)

Intervention effect Water stress significantly decreased soybean plant dry weight.
Intervention effect Compared with non-AM fungus, AM fungus increased root N and 15N concentration under PRD.
Intervention effect Compared with non-AM fungus, AM fungus decreased stem, leaf and pod N and 15N concentrations under PRD.
Intervention effect AM colonization decreased C and N partitioning into stem and leaf under PRD.
Intervention effect AM colonization increased C and N partitioning into root under PRD.
Mechanism AM symbiosis plays an important role in C and N dynamics of soybean grown under water stress.

“N use efficiency”

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