Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen accumulation did not accurately reflect nitrogen use efficiency.

Taxon: summer maizeZea mayse0
Outcome: nitrogen use efficiencye0
Qualifier: nitrogen accumulatione0

Not reportedOrgan / stageDirection

Verbatim

e0
“the nitrogen accumulation couldn't reflect the nitrogen use efficiency in summer maize accurately”
✓ located verbatim in the source · abstract, characters 1293–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chongqing and Renshou had the lowest wheat SPAD, light use efficiency, nitrogen use efficiency and grain yield.

Taxon: wheatTriticum aestivumt0
Outcome: SPAD, light use efficiency, nitrogen use efficiency and grain yielde0
Direction: loweste0
Setting: Chongqing and Renshoue0

Verbatim

t0
“wheat”
✓ located verbatim in the source · title, characters 105–110

e0
“Chongqing and Renshou had the lowest SPAD, light use efficiency, nitrogen use efficiency and grain yield”
✓ located verbatim in the source · abstract, characters 191–295

Title

[Effect of nitrogen management modes on grain yield, nitrogen use efficiency and light use efficiency of wheat].

Xiao Li Wu; Chao Su Li; Yong Lu Tang; et al. PubMed 2017. doi:10.13287/j.1001-9332.201706.008

Other claims from this paper (10)

Observation Guanghan had the highest wheat SPAD, CAP, PAR interception efficiency and grain yield among sites.
Observation Xichang had higher wheat SPAD and nitrogen use efficiency.
Observation Xichang had lower wheat CAP and PAR use efficiency.
Association Wheat biomass was significantly positively associated with grain yield, CPA and SPAD.
Association Wheat biomass was significantly positively associated with PAR interception efficiency.
Intervention effect Increasing nitrogen fertilizer promoted wheat yield at all sites.
Intervention effect Postponing nitrogen fertilizer could optimize wheat grain yield components.
Intervention effect Postponing nitrogen fertilizer could improve wheat nitrogen and light use efficiency.
Observation Nitrogen management effects depended on year and site.
Recommendation The authors recommend site-specific target nitrogen management for wheat.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

G11 showed low nitrogen use efficiency.

Taxon: RiceOryza sativat0
Material: G11e0
Outcome: nitrogen use efficiencye0
Direction: lowe0

Verbatim

t0
“Rice (Oryza sativa. L)”
✓ located verbatim in the source · title, characters 12–34

e0
“G11 shows low nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 1564–1601

Title

Phenotyping Rice (Oryza sativa. L) Genotypes for Nitrogen use Efficiency

R. Gowri Karthigaa; A. Senthil; V. Ravichandran; et al. International Journal of Environment and Climate Change 2022. doi:10.9734/ijecc/2022/v12i1131023

Other claims from this paper (5)

Observation G3 had the highest PNUE, 25.10, under 0% RDN.
Observation G7 had PNUE of 22.62 under 0% RDN, second to G3.
Observation G11 had the lowest PNUE, 5.99, under 100% RDN.
Observation Across genotypes, G3 exhibited the highest NUE.
Observation Across genotypes, G7 exhibited the highest NUE.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Potato nitrogen use efficiency fell curvilinearly as crop nitrogen supply increased.

Taxon: potatoSolanum tuberosumt0
Treatment: crop N supplye0
Outcome: Nitrogen use efficiencye0
Direction: decreasede0

Verbatim

e0
“Nitrogen use efficiency decreased curvilinearly with increasing crop N supply”
✓ located verbatim in the source · abstract, characters 820–897

t0
“potato”
✓ located verbatim in the source · title, characters 54–60

Title

Nitrogen use efficiency characteristics of commercial potato cultivars

B. J. Zebarth; G. Tai; R. Tarn; et al. Canadian Journal of Plant Science 2004. doi:10.4141/p03-050

Other claims from this paper (8)

Observationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The rainfall event ultimately reduced plant rainfall use efficiency and nitrogen use efficiency.

Taxon: plante0
Outcome: plant rainfall use efficiency and nitrogen use efficiencye0
Direction: reducinge0

Verbatim

e0
“ultimately reducing plant rainfall use efficiency and nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 1150–1227

t0
“Extreme rainfall events”
✓ located verbatim in the source · title, characters 0–23

Title

Extreme rainfall events can alter inter-annual biomass responses to water and N enrichment

D. L. Kong; X. T. Lü; L. L. Jiang; et al. Biogeosciences 2013. doi:10.5194/bg-10-8129-2013

Other claims from this paper (4)

Intervention effect Interannual precipitation variation significantly affected plant biomass responses to water addition.
Intervention effect Extreme rainfall variation suppressed plant responses to nitrogen addition.
Intervention effect Extreme rainfall variation reduced the interaction effects of water and nitrogen addition.
Observation Extreme rainfall negatively affected soil nitrogen and water availability.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Nitrogen fertilization significantly decreased spinach nitrogen use efficiency.

Taxon: SpinachSpinacia oleraceat0
Treatment: Nitrogen fertilizatione0
Outcome: nitrogen use efficiencye0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“Nitrogen fertilization significantly decreased nitrogen use efficiency.”
✓ located verbatim in the source · abstract, characters 807–878

t0
“Spinach”
✓ located verbatim in the source · title, characters 0–7

Title

Spinach-irrigating and fertilizing for optimum quality, quantity, and economy

Jinxiu Zhang; Yubo Yue; Zhimin Sha; et al. Acta Agriculturae Scandinavica Section B - Soil & Plant Science 2014. doi:10.1080/09064710.2014.936489

Other claims from this paper (7)

Intervention effect Spinach yield was highest at 16.5% soil water content with 170 kg ha−1 nitrogen fertilizer.
Intervention effect Spinach yield was lowest at 12.5% soil water content with no nitrogen fertilizer.
Association Spinach nitrate content depended strongly on irrigation and nitrogen fertilization levels.
Association Spinach oxalate content depended strongly on irrigation and nitrogen fertilization levels.
Intervention effect Increasing nitrogen fertilizer use improved spinach water use efficiency.
Intervention effect Increasing nitrogen fertilizer use improved profit from spinach production.
Recommendation The authors recommend 85 kg ha−1 nitrogen fertilizer and 16.5% soil water content for field spinach to optimize quality and earnings.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen partial factor productivity, crop nitrogen use efficiency and soil nitrogen use efficiency decreased with greater N fertilizer application.

Treatment: N fertilizer applicatione0
Outcome: nitrogen partial factor productivity, crop nitrogen use efficiency and soil nitrogen use efficiencye0
Direction: decreasede0

Not reportedTaxon

Verbatim

e0
“Except for W1N2 treatment, the irrigation water use efficiency increased as the N application rate rose, while the nitrogen partial factor productivity, crop nitrogen use efficiency and soil nitrogen use efficiency decreased with an increase in N fertilizer application.”
✓ located verbatim in the source · abstract, characters 1327–1597

Title

Potato growth, nitrogen balance, quality, and productivity response to water-nitrogen regulation in a cold and arid environment

Dandan Su; Hengjia Zhang; Anguo Teng; et al. Frontiers in Plant Science 2024. doi:10.3389/fpls.2024.1451350

Other claims from this paper (11)

Intervention effect Greater nitrogen and irrigation increased potato tuber yield and growth traits.
Intervention effect Greater nitrogen and irrigation increased potato stem and leaf area index.
Observation Tuber starch, vitamin C and protein content rose then fell across treatments.
Observation Tuber reducing sugar content consistently decreased.
Association Irrigation water use efficiency increased as nitrogen application rose, except for W1N2.
Intervention effect W1N2 yielded 43.16 t ha-1.
Intervention effect W1N2 gave the highest crop nitrogen use efficiency at 0.95.
Observation W1N2 achieved systematic nitrogen use efficiency of 0.72.
Observation W1N2 maintained moderate soil nitrate and ammonium nitrogen.
Observation W1N2 had the highest integrated evaluation index of 0.978.
Recommendation The authors recommended W1N2 for sustainable potato production in northwest China.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced photosynthetic nitrogen use efficiency, nitrogen utilization efficiency and biomass nitrogen use efficiency.

Taxon: sugarcanet0
Treatment: drought stresse0
Outcome: photosynthetic NUE, nitrogen utilization efficiency and biomass NUEe0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“drought stress reduced the photosynthetic rate, growth parameters including plant height, leaf area; partial and total dry weights; and nitrogen use efficiency (NUE) traits including photosynthetic NUE, nitrogen utilization efficiency and biomass NUE”
✓ located verbatim in the source · abstract, characters 292–542

t0
“sugarcane varieties”
✓ located verbatim in the source · title, characters 64–83

Title

Nitrogen use efficiency and drought tolerant ability of various sugarcane varieties under drought stress at early growth stage

Dinh Thai Hoang; Takaragawa Hiroo; Kawamitsu Yoshinobu Plant Production Science 2018. doi:10.1080/1343943x.2018.1540277

Other claims from this paper (7)

Intervention effect Drought reduced photosynthetic rate in sugarcane varieties.
Intervention effect Drought reduced plant height and leaf area in sugarcane varieties.
Intervention effect Drought reduced partial and total dry weights in sugarcane varieties.
Observation Sugarcane varieties differed significantly in growth parameters, dry weights and NUE traits.
Observation Sugarcane varieties differed significantly in drought tolerant index.
Association NUE traits were positively correlated with drought tolerant index.
Recommendation Aboveground and stalk dry-weight drought tolerant indices were proposed for evaluating drought tolerance in sugarcane varieties.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Biochar-loaded nitrogen reduced nitrogen recovery use efficiency.

Taxon: Paddyt0
Treatment: Biochar Loadingt0
Outcome: nitrogen recovery use efficiencye0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“reduced nitrogen recovery use efficiency”
✓ located verbatim in the source · abstract, characters 634–674

t0
“Biochar Loading on Paddy Growth”
✓ located verbatim in the source · title, characters 34–65

Title

[Effects of Returning Nitrogen by Biochar Loading on Paddy Growth, Root Morphology, and Nitrogen Use Efficiency].

Ying-Liang Yu; Yue-Man Wang; Peng-Fu Hou; et al. PubMed 2018. doi:10.13227/j.hjkx.201804034

Other claims from this paper (10)

Intervention effect Biochar-loaded nitrogen decreased aboveground paddy biomass by 16% versus nitrogen solution.
Intervention effect Biochar-loaded nitrogen decreased aboveground paddy nitrogen uptake by 14% versus nitrogen solution.
Intervention effect Biochar-loaded nitrogen increased paddy root-shoot biomass ratios by 25%-27%.
Intervention effect The two nitrogen application methods affected paddy adventitious root length and volume.
Association Paddy underground biomass correlated positively with soil ammonium content.
Association Paddy underground nitrogen uptake correlated positively with soil ammonium content.
Association Aboveground paddy nitrogen uptake correlated negatively with root tips.
Intervention effect Plant uptake nitrogen use efficiency did not differ significantly between chemical and biochar-loaded nitrogen.
Intervention effect Biochar promoted soil mineral nitrogen content for plant uptake.
Recommendation The authors recommend biochar as a carrier to return nitrogen from waterbodies to fields.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing nitrogen application significantly decreased nitrogen use efficiency.

Taxon: maize hybridst0
Treatment: increased N applicatione0
Outcome: N use efficiencye0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“With increased N application, N uptake efficiency and N use efficiency decreased significantly”
✓ located verbatim in the source · abstract, characters 492–586

t0
“maize hybrids”
✓ located verbatim in the source · title, characters 54–67

Title

Genotype differences on nitrogen use efficiency among maize hybrids

Jianan Liu; Guohua Mi; Fanjun Chen; et al. Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (9)

Observation Grain yield variation among maize hybrids was 62% and 57% under two nitrogen levels.
Observation Total shoot nitrogen accumulation varied by 55% and 48% under two nitrogen levels.
Observation Nongda 108 had the highest grain yield and shoot nitrogen accumulation.
Observation Zhongdan 120 had the lowest grain yield and shoot nitrogen accumulation.
Observation Zhong dan 2 had the lowest grain yield and shoot nitrogen accumulation.
Intervention effect Increasing nitrogen application significantly decreased nitrogen uptake efficiency.
Intervention effect Nitrogen utilization efficiency stayed almost the same with increased nitrogen application.
Observation Genotypic variation in nitrogen use efficiency decreased significantly.
Association Genotypic variation in nitrogen use efficiency depended mainly on uptake efficiency at both nitrogen levels.

“nitrogen use efficiency”

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