Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Path analysis showed that total nitrogen affected nitrogen use efficiency more than nitrogen utilization efficiency did.

Taxon: EggplantsSolanum melongenat0
Compound: total nitrogene0
Outcome: nitrogen use efficiencye0
Direction: more importante0
Comparator: nitrogen utilization efficiencye0

Verbatim

e0
“the effect of total nitrogen on nitrogen use efficiency was more important than nitrogen utilization efficiency”
✓ located verbatim in the source · abstract, characters 1406–1517

t0
“Eggplants”
✓ located verbatim in the source · title, characters 50–59

Title

Genotypic Variation in Nitrogen Use Efficiency in Eggplants

Li XiaoFeng Acta Agriculturae Boreali-Sinica 2007

Other claims from this paper (3)

Associationobservedoriginal resultmeasured

Claim · model-written summary

The contribution of nitrogen utilization efficiency to nitrogen use efficiency depended on nitrogen rate.

Taxon: summer maizeZea mayse1
Treatment: nitrogen ratee0
Outcome: nitrogen use efficiencye0
Qualifier: nitrogen utilization efficiencye0

Not reportedDirection

Verbatim

e0
“The contribution to nitrogen use efficiency was given by nitrogen utilization efficiency rely on nitrogen rate”
✓ located verbatim in the source · abstract, characters 1391–1501

e1
“summer maize accurately”
✓ located verbatim in the source · abstract, characters 1367–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

Observation Grain yield varied significantly among maize varieties at all nitrogen rates.
Observation Biological yield varied significantly among varieties at all nitrogen rates.
Observation Harvest index, nitrogen efficiency and responsiveness also varied among genotypes.
Observation Tested varieties were classified into four nitrogen efficiency and responsiveness types.
Observation Hudan 4, Shanzi 1 and Yedan 19 were high-efficiency, high-response types.
Observation Zhongdan 2 and Yuyu 22 were low-efficiency, low-response types.
Observation Shandan16, Shandan 902 and Hudan 2000 were high-efficiency, low-response types.
Observation Shandan 9 and Nongda108 were low-efficiency, high-response types.
Association Nitrogen accumulation did not accurately reflect nitrogen use efficiency.
Method / resource Nitrogen index reflected nitrogen use efficiency at all nitrogen rates.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen index reflected nitrogen use efficiency at all nitrogen rates.

Taxon: summer maizeZea mayse1
Outcome: nitrogen use efficiencye0

Not reportedComparatorValue

Verbatim

e0
“the nitrogen index can well reflected the nitrogen use efficiency whatever nitrogen application rate”
✓ located verbatim in the source · abstract, characters 1506–1606

e1
“summer maize accurately”
✓ located verbatim in the source · abstract, characters 1367–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

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)

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)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Postponing nitrogen fertilization improved nitrogen-use efficiency.

Taxon: late ricet0
Treatment: postponing nitrogen fertilizatione0
Outcome: nitrogen-use efficiencye0
Direction: improvee0

Not reportedComparator

Verbatim

e0
“postponing nitrogen fertilization could appropriately improve the nitrogen-use efficiency”
✓ located verbatim in the source · abstract, characters 676–765

t0
“late rice”
✓ located after whitespace/quote normalisation · title, characters 55–64

Title

Effects of Nitrogen Management on Yield and Quality of Late Rice and Nitrogen-use Efficiency

Xiangming Zhang T'u Jang T'ung Pao 2008

Other claims from this paper (13)

Intervention effect Postponed nitrogen fertilization maintained suitable NH4+-N concentration.
Intervention effect Postponed fertilization promoted late rice growth, yield, dry matter and nitrogen accumulation.
Observation Rice yield was maximal with 53.8% of nitrogen as basal fertilizer.
Association Milling quality improved as the panicle fertilizer ratio increased.
Association Appearance quality worsened as the panicle fertilizer ratio increased.
Association Cooking quality worsened as the panicle fertilizer ratio increased.
Observation At 40.3% basal nitrogen, late rice nitrogen uptake was maximal.
Observation At 40.3% basal nitrogen, nitrogen-use efficiency was maximal.
Association Soil nitrogen dependency had a parabolic relationship with basal fertilizer ratio.
Observation Soil nitrogen dependency was lowest at a 40.0% basal fertilizer ratio.
Association Nitrogen harvest index increased as basal fertilizer application decreased.
Association Nitrogen requirement per 100 kg grain increased as basal fertilizer application decreased.
Recommendation The authors recommend 40%-50% basal, 20%-30% tiller and 20%-30% panicle fertilizer.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Nitrogen absorption efficiency was identified as the main factor affecting rice nitrogen use efficiency.

Taxon: riceOryza sativae0
Outcome: N-use efficiencye0
Qualifier: N-absorption efficiencye0

Verbatim

e0
“This indicated that the N-absorption efficiency was the main factor affecting the N-use efficiency of rice.”
✓ located verbatim in the source · abstract, characters 395–502

Title

Mechanism of Nitrogen Use Efficiency Difference in Different Genotypic Rices

Chen Jianqiang He'nan nongye kexue 2009

Other claims from this paper (1)

Observation High-NUE rice genotypes had much higher nitrogen absorption efficiency than low-NUE genotypes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

CO2 enrichment increased water use efficiency and nitrogen use efficiency.

Taxon: spring wheatTriticum aestivumt0
Treatment: CO2 enrichmente0
Outcome: water use efficiency (WUE) and nitrogen use efficiency (NUE)e0
Direction: increasede0

Verbatim

e0
“CO2 enrichment increased both the water use efficiency (WUE) and nitrogen use efficiency (NUE)”
✓ located verbatim in the source · abstract, characters 1443–1537

t0
“Spring Wheat”
✓ located verbatim in the source · title, characters 64–76

Title

CO₂Enrichment on Biomass Accumulation and Nitrogen Nutrition of Spring Wheat Under Different Soil Nitrogen and Water Status

Fusheng Li; Shaozhong Kang; Jianhua Zhang Journal of Plant Nutrition 2003. doi:10.1081/pln-120018564

Other claims from this paper (11)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Water use efficiency was positively associated with nitrogen use efficiency across nine materials except French S. cereals.

Material: nine evolution materialse0
Outcome: nitrogen use efficiencye0
Direction: positively relatede0
Qualifier: excluding French S. cerealse0

Not reportedTaxon

Verbatim

e0
“The water use efficiency was positively related with nitrogen use efficiency across nine evolution materials excluding French S. cereals”
✓ located verbatim in the source · abstract, characters 308–444

Title

[Interrelationship between water use efficiency and nitrogen use efficiency of different wheat evolution materials].

Yangyang Li; Suiqi Zhang; Mingan Shao PubMed 2003

Other claims from this paper (2)

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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