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Breeding, agronomy & horticulture 4286

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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)
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)

Physiology, metabolism & abiotic stress 4012

Show all 4,012 →
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)
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)

Woody plants 425

Show all 425 →
Intervention effectauthor interpretationoriginal resultmeasured

Claim · model-written summary

Nitrogen fertilization enhanced water-use efficiency at the expense of nitrogen-use efficiency.

Taxon
Avicennia marinaAvicennia marinat0
Treatment
+Ne0
Outcome
WUEe0
Direction
enhancede0
Qualifier
at the expense of NUEe0

Not reportedComparator

Verbatim

e0

“Hence, +N enhanced WUE at the expense of NUE”

✓ located verbatim in the source · abstract, characters 1156–1200
t0

“grey mangrove, Avicennia marina”

✓ located verbatim in the source · abstract, characters 94–125

Title

Nitrogen fertilization enhances water-use efficiency in a saline environment

KATHERINE C. MARTIN; DAN BRUHN; CATHERINE E. LOVELOCK; et al. Plant Cell & Environment 2009. doi:10.1111/j.1365-3040.2009.02072.x

Other claims from this paper (8)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Genetic variation exists for mean trait expression and plasticity of water-use efficiency and nitrogen-use efficiency in lodgepole pine.

Taxon
lodgepole pinePinus contortat0
Outcome
mean trait expression as well as for plasticitye0
Qualifier
water-use efficiency and nitrogen-use efficiencye0

Verbatim

t0

“lodgepole pine”

✓ located verbatim in the source · title, characters 51–65
e0

“Genetic variation exists for mean trait expression as well as for plasticity for both water-use efficiency and nitrogen-use efficiency”

✓ located verbatim in the source · abstract, characters 1908–2042

Title

Genetic variation for resource use efficiencies in lodgepole pine

Smets, Pia cIRcle (University of British Columbia) 2009. doi:10.14288/1.0099680

Other claims from this paper (9)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Cedrela odorata had the highest potential nitrogen-use efficiency.

Taxon
Cedrela odorataCedrela odoratae0
Outcome
potential nitrogen-use efficiencye0
Direction
higheste0

Verbatim

e0

“Cedrela odorata had the shortest-lived leaves and the highest potential nitrogen-use efficiency”

✓ located verbatim in the source · abstract, characters 1271–1366

Title

Photosynthetic nutrient-use efficiency in three fast-growing tropical trees with differing leaf longevities

A. J. Hiremath Tree Physiology 2000. doi:10.1093/treephys/20.14.937

Other claims from this paper (8)

Molecular genetics & genomics 123

Show all 123 →
Associationobservedreview summarysignificant (as stated)measured

Claim · model-written summary

Genotype and nitrogen fertilization interact significantly for nitrogen use efficiency.

Taxon
maizeZea mayst0
Treatment
nitrogen fertilizatione0
Outcome
genotype x nitrogen fertilization (GxN) interactione0

Not reportedDirection

Verbatim

e0

“with a significant genotype x nitrogen fertilization (GxN) interaction”

✓ located verbatim in the source · abstract, characters 467–537
t0

“maize”

✓ located verbatim in the source · title, characters 63–68

Title

Genetic variation and selection for nitrogen use efficiency in maize : A synthesis

A. Galláis; Marie Coque Maydica 2005

Other claims from this paper (13)
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

AlaAT overexpressing rice showed a strong nitrogen use efficiency phenotype.

Gene
alanine aminotransferase (AlaAT)e0
Outcome
strong nitrogen use efficiency phenotypee0

Verbatim

e0

“We engineered rice over-expressing alanine aminotransferase (AlaAT) under the control of a tissue-specific promoter that showed a strong nitrogen use efficiency phenotype.”

✓ located verbatim in the source · abstract, characters 436–607

Title

Transcriptome analysis of nitrogen‐efficient rice over‐expressing alanine aminotransferase

Perrin H. Beatty; Ashok K. Shrawat; Rebecka T. Carroll; et al. Plant Biotechnology Journal 2009. doi:10.1111/j.1467-7652.2009.00424.x

Other claims from this paper (7)
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

General combining ability was significant for grain yield, nitrogen use efficiency and nitrogen uptake efficiency under high nitrogen.

Taxon
maizeZea mayse0
Outcome
general combining ability (GCA)e0
Qualifier
GY, NUE and NUpEe0
Setting
high N soile0

Verbatim

e0

“The general combining ability (GCA) and specific combining ability (SCA) were significant for GY, NUE and NUpE for maize grown in high N soil.”

✓ located verbatim in the source · abstract, characters 756–898

Title

Genetic control of grain yield and nitrogen use efficiency in tropical maize

Leandro Vagno de Souza; Glauco Vieira Miranda; João Carlos Cardoso Galvão; et al. Pesquisa Agropecuária Brasileira 2008. doi:10.1590/s0100-204x2008001100010

Other claims from this paper (8)

Methods & resources 89

Show all 89 →
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)
Method / resourceobservedoriginal resultpositivebasis n/a

Claim · model-written summary

Sugarcane varieties were classified into three nitrogen use efficiency categories affecting nitrogen recommendations.

Taxon
sugarcanee0
Material
sugarcane varietiese0
Outcome
categories of N use efficiencye0
Value
three categoriese0

Verbatim

e0

“Classification of sugarcane varieties into one of three categories of N use efficiency and the impact on N recommendations”

✓ located verbatim in the source · abstract, characters 1110–1232

Title

Recent advances to improve nitrogen use efficiency of sugarcane in the South African sugar industry.

J. H. Meyer; Arnold W. Schumann; R. A. Wood; et al. 2007

Other claims from this paper (12)
Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The minus method gave higher nitrogen use efficiency in rice than the isotope tracer technique.

Outcome
nitrogen use efficiencye4
Direction
highere4
Comparator
isotope tracer techniquee4

Verbatim

t0

“Lowland Rice Field”

✓ located verbatim in the source · title, characters 74–92
e4

“the nitrogen use efficiency acquired by minusing method was higher than that by isotope tracer technique”

✓ located verbatim in the source · abstract, characters 546–650

Title

Effects of Water and Fertilizer on Nitrogen Use Effeciency and Balance in Lowland Rice Field

Pingcang Zhang Journal of Irrigation and Drainage 2009

Other claims from this paper (9)

Plant interactions & biotic stress 79

Show all 79 →
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Weed interference reduced nitrogen-use efficiency of maize genotypes.

Taxon
maizeZea mayse0
Treatment
weed interferencee0
Interactor
weede0weed
Outcome
nitrogen-use efficiencye0
Direction
reducede0

Not reportedComparator

Verbatim

e0

“The nitrogen-use efficiency of the maize genotypes was reduced due to weed interference”

✓ located verbatim in the source · abstract, characters 838–925

Title

Nitrogen-use Efficiency of Maize Genotypes under Weed Pressure in a Tropical Alfisol in Northern Nigeria

Azeez, JO.; Adetunji, MT. DOAJ (DOAJ: Directory of Open Access Journals) 2007

Other claims from this paper (8)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen fixation increased photosynthetic nitrogen use efficiency early in development.

Taxon
plante0
Treatment
N(2) fixatione0
Outcome
photosynthetic N use efficiencye0
Direction
increasede0
Qualifier
at the beginning of plant developmente0

Verbatim

e0

“The C sink strength of N(2) fixation increased photosynthetic N use efficiency at the beginning of plant development.”

✓ located verbatim in the source · abstract, characters 854–971

Title

Differences in photosynthetic behaviour and leaf senescence of soybean (Glycine max [L.] Merrill) dependent on N2 fixation or nitrate supply

G. Kaschuk; M. Hungria; P. A. Leffelaar; et al. Plant Biology 2009. doi:10.1111/j.1438-8677.2009.00211.x

Other claims from this paper (7)
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Weed competition did not suppress harvest index and nitrogen use efficiency.

Taxon
paddy ricet0
Interactor
weedse0weed
Outcome
harvest index (HI) and nitrogen use efficiency (NUE) of paddy ricee0
Direction
not suppressede0

Verbatim

e0

“harvest index (HI) and nitrogen use efficiency (NUE) of paddy rice were not suppressed by competition with weeds”

✓ located verbatim in the source · abstract, characters 659–771
t0

“paddy rice”

✓ located verbatim in the source · title, characters 54–64

Title

Competition between weeds and wet season transplanted paddy rice for nitrogen use, growth and yield in the central and northern regions of Laos

TATSUYA INAMURA; SHUICHI MIYAGAWA; OLAYVANH SINGVILAY; et al. Weed Biology and Management 2003. doi:10.1046/j.1444-6162.2003.00106.x

Other claims from this paper (11)

Ecology, evolution & diversity 78

Show all 78 →
Mechanismobservedoriginal resultsimulated

Claim · model-written summary

Tradeoffs with nitrogen use efficiency can select against fixation.

Taxon
treese1
Outcome
select against N fixatione0
Qualifier
N use efficiency (NUE)e0

Verbatim

e0

“N use efficiency (NUE) can select against N fixation”

✓ located verbatim in the source · abstract, characters 542–594
t0

“nitrogen fixation”

✓ located verbatim in the source · title, characters 42–59
e1

“Symbiotic nitrogen (N) fixing trees”

✓ located verbatim in the source · abstract, characters 0–35

Title

Evolutionary tradeoffs can select against nitrogen fixation and thereby maintain nitrogen limitation

Duncan N. L. Menge; Simon A. Levin; Lars O. Hedin Proceedings of the National Academy of Sciences 2008. doi:10.1073/pnas.0711411105

Other claims from this paper (7)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Scrub trees had lower nitrogen-use efficiency than fringe trees.

Taxon
Avicennia marinaAvicennia marinat0
Outcome
nitrogen-use efficiencye0
Direction
lowere0
Comparator
fringe treese0

Verbatim

e0

“Scrub trees maintained greater CO(2) assimilation per unit water transpired (water-use efficiency, WUE) and had lower nitrogen-use efficiency (NUE; CO(2) assimilation rate per unit leaf nitrogen) than fringe trees”

✓ located verbatim in the source · abstract, characters 535–748
t0

“grey mangrove, Avicennia marina”

✓ located verbatim in the source · abstract, characters 94–125

Title

Nitrogen fertilization enhances water-use efficiency in a saline environment

KATHERINE C. MARTIN; DAN BRUHN; CATHERINE E. LOVELOCK; et al. Plant Cell & Environment 2009. doi:10.1111/j.1365-3040.2009.02072.x

Other claims from this paper (8)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Photosynthetic nitrogen-use efficiency decreased with latitude in Populus balsamifera.

Taxon
Populus balsamifera L.Populus balsamiferat0
Treatment
latitudee0
Outcome
photosynthetic nitrogen-use efficiencye0
Direction
decreasede0

Verbatim

t0

“balsam poplar (Populus balsamifera L.)”

✓ located verbatim in the source · title, characters 136–174
e0

“Water-use efficiency as indicated by both gas exchange and delta(13)C increased with latitude, whereas photosynthetic nitrogen-use efficiency decreased”

✓ located verbatim in the source · abstract, characters 744–895

Title

Enhanced assimilation rate and water use efficiency with latitude through increased photosynthetic capacity and internal conductance in balsam poplar (Populus balsamifera L.)

RAJU Y. SOOLANAYAKANAHALLY; ROBERT D. GUY; SALIM N. SILIM; et al. Plant Cell & Environment 2009. doi:10.1111/j.1365-3040.2009.02042.x

Other claims from this paper (6)

Development, reproduction & morphology 39

Show all 39 →
Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Greater nitrogen turnover reduced nitrogen use efficiency.

Taxon
PinguiculaPinguiculat0
Organ / stage
inflorescencese0
Outcome
N use‐efficiencye0
Direction
reducede0
Qualifier
increased N turnovere0

Verbatim

e0

“This study presents evidence for a direct link between reproduction, reflected in a higher relative allocation to inflorescences, turnover and N use‐efficiency; the latter being reduced because of increased N turnover.”

✓ located verbatim in the source · abstract, characters 1383–1601
t0

“three species of the carnivorous genus Pinguicula”

✓ located verbatim in the source · title, characters 57–106

Title

The effect of reproduction on nitrogen use‐efficiency of three species of the carnivorous genus Pinguicula

R. Lutz Eckstein; P. Staffan Karlsson Journal of Ecology 2001. doi:10.1046/j.0022-0477.2001.00595.x

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Species rankings for reproductive allocation and nitrogen use efficiency were reversed.

Taxon
PinguiculaPinguiculat0
Organ / stage
reproductive allocatione0
Outcome
N use‐efficiencye0
Direction
reversee0

Verbatim

e0

“The ranking of species in terms of reproductive allocation was the reverse of their ranking in terms of their N use‐efficiency.”

✓ located verbatim in the source · abstract, characters 1602–1729
t0

“three species of the carnivorous genus Pinguicula”

✓ located verbatim in the source · title, characters 57–106

Title

The effect of reproduction on nitrogen use‐efficiency of three species of the carnivorous genus Pinguicula

R. Lutz Eckstein; P. Staffan Karlsson Journal of Ecology 2001. doi:10.1046/j.0022-0477.2001.00595.x

Other claims from this paper (7)
Recommendationauthor interpretationreview summarybasis n/a

Claim · model-written summary

Reducing kernel abortion after fertilization is necessary for good nitrogen use efficiency under low input.

Taxon
maizeZea mayst0
Outcome
reduce kernel abortion just after fertilizatione0
Qualifier
at low N-inpute0

Verbatim

e0

“To have a good NUE at low N-input, it is necessary to reduce kernel abortion just after fertilization”

✓ located verbatim in the source · abstract, characters 1153–1254
t0

“maize”

✓ located verbatim in the source · title, characters 63–68

Title

Genetic variation and selection for nitrogen use efficiency in maize : A synthesis

A. Galláis; Marie Coque Maydica 2005

Other claims from this paper (13)

not stated 2

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors recommend growing the RCH2Bt cotton hybrid with protective irrigation and 60 kg N/ha for higher water- and nitrogen-use efficiency without significant yield reduction.

Material
RCH2Bte0
Outcome
water- and nitrogen-use efficiencye0

Verbatim

e0

“'RCH2Bt' cotton hybrid may be grown with protective irrigation and 60 kg N/ha to achieve higher water- and nitrogen-use efficiency without significant yield reduction in winter-irrigated situation in the southern zone of the country”

✓ located verbatim in the source · abstract, characters 1215–1447

Title

Effect of irrigation and nitrogen on soil water dynamics, productivity and input-use efficiency of Bt cotton (Gossypium hirsutum) in a Vertic Ustropept.

K. K. Bandyopadhyay; A. H. Prakash; K. Sankaranarayanan; et al. The Indian Journal of Agricultural Sciences 2009

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Other claims from this paper (9)
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Biogeochemical models must be reformulated to allow below-ground carbon transfers that result in additional nitrogen uptake under elevated CO2

Taxon
temperate forestt0
Outcome
Biogeochemical models must be reformulated to allow C transfers below ground that result in additional N uptakee4

Verbatim

t0

“Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO 2”

✓ located verbatim in the source · title, characters 0–138
e4

“Biogeochemical models must be reformulated to allow C transfers below ground that result in additional N uptake under elevated CO(2)”

✓ located verbatim in the source · abstract, characters 1523–1655

Title

Increases in nitrogen uptake rather than nitrogen-use efficiency support higher rates of temperate forest productivity under elevated CO 2

Adrien C. Finzi; Richard J. Norby; Carlo Calfapietra; et al. Proceedings of the National Academy of Sciences 2007. doi:10.1073/pnas.0706518104

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Other claims from this paper (5)

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