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Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

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

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)
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Nitrogen reallocation raises nitrogen use efficiency in photosynthesis.

Taxon
plante0
Outcome
efficiency of nitrogen use in photosynthetic productione0
Qualifier
These processese0

Verbatim

e0

“These processes raise efficiency of nitrogen use in photosynthetic production of the plant”

✓ located verbatim in the source · abstract, characters 367–457

Title

Possible Mechanisms of Adaptive Leaf Senescence

K. Ono; Y. Nishi; A. Watanabe; et al. Plant Biology 2001. doi:10.1055/s-2001-15201

Other claims from this paper (3)
Mechanismauthor interpretationreview summarybasis n/a

Claim · model-written summary

Genetic variability of nitrogen use efficiency determines differences in maize nitrogen absorption.

Taxon
maizeZea mayse0
Outcome
difference of nitrogenous absorption capabilitye0
Qualifier
genetic variability of NUE (nitrogen use efficiency)e0

Verbatim

e0

“The difference of nitrogenous absorption capability of maize is decided by genetic variability of NUE (nitrogen use efficiency).”

✓ located verbatim in the source · abstract, characters 0–128

Title

Nitrogen use efficiency and its research advances in maize

Wang Jin-jun; Huang Rui-dong Yumi kexue 2005

Other claims from this paper (1)
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)
Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

The authors speculated that varietal nitrogen efficiency differences reflect internal nitrogen use efficiency more than uptake efficiency.

Outcome
varietal differences in N efficiencye0
Qualifier
different internal N-use efficiency than to differences in N-uptake efficiencye0

Verbatim

e0

“varietal differences in N efficiency are speculated to be rather due to different internal N-use efficiency than to differences in N-uptake efficiency”

✓ located verbatim in the source · abstract, characters 1154–1304
t0

“cauliflower”

✓ located verbatim in the source · title, characters 45–56

Title

Rooting pattern and nitrogen uptake of three cauliflower(Brassica oleracea var.botrytis) F1-hybrids

Karin Rather; Manfred K. Schenk; Arij P. Everaarts; et al. Journal of Plant Nutrition and Soil Science 2000. doi:10.1002/1522-2624(200010)163:5<467::aid-jpln467>3.0.co;2-s

Other claims from this paper (8)
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Late germinators had higher photosynthetic nitrogen-use efficiency, attributed primarily to greater nitrogen allocation to Rubisco.

Taxon
Polygonum cuspidatum Sieb. et Zucc.Polygonum cuspidatume1
Material
late germinatorse0
Gene
Rubiscoe0
Outcome
photosynthetic N‐use efficiencye0

Verbatim

e0

“Higher photosynthetic N‐use efficiency in late germinators was caused primarily by a larger allocation of N to Rubisco.”

✓ located verbatim in the source · abstract, characters 517–636
e1

“in Polygonum cuspidatum Sieb. et Zucc.”

✓ located verbatim in the source · abstract, characters 259–297

Title

Allocation of nitrogen to cell walls decreases photosynthetic nitrogen‐use efficiency

Y. ONODA; K. HIKOSAKA; T. HIROSE Functional Ecology 2004. doi:10.1111/j.0269-8463.2004.00847.x

Other claims from this paper (3)
Mechanismhypothesisreview summarypositivebasis n/a

Claim · model-written summary

Acclimation may play a key role in increasing nitrogen use efficiency in elevated CO2.

Treatment
elevated CO2e0
Outcome
nitrogen use efficiencye0

Not reportedTaxon

Verbatim

e0

“acclimation has only a limited effect on total carbon gain, and may play a key role in increasing nitrogen use efficiency in elevated CO2”

✓ located verbatim in the source · abstract, characters 897–1034

Title

Photosynthetic dimensions of global change

EA Ainsworth; Carl J. Bernacchi; PA Davey Pa Davey; et al. Science Access 2001. doi:10.1071/sa0403006

Other claims from this paper (4)
Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

Rubisco inactivation would decrease photosynthetic nitrogen use efficiency.

Taxon
Aconogonum weyrichiie0
Outcome
photosynthetic nitrogen use efficiencye3
Qualifier
This inactivatione3

Verbatim

e0

“an alpine herbaceous plant (Aconogonum weyrichii)”

✓ located verbatim in the source · abstract, characters 63–112
e3

“This inactivation would lead to a decrease in photosynthetic nitrogen use efficiency”

✓ located verbatim in the source · abstract, characters 581–665

Title

Altitudinal changes in Rubisco and APX activities in Aconogonum weyrichii in the alpine region of Mt. Fuji

Sakata, Tsuyoshi; Nakano, Takashi; Yokoi, Yota Institutional Repositories DataBase (IRDB) 2006. doi:10.15094/00006244

Other claims from this paper (8)
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Higher nitrogen productivity was given as the reason for higher nitrogen use efficiency in the C(4) grass.

Taxon
Chloris virgataChloris virgatat0
Outcome
higher N-use efficiencye0
Qualifier
higher N productivitye0

Verbatim

e0

“The C(4) grass had higher N-use efficiency than the C(3) grass due to its higher N productivity, irrespective of the N treatment or competition.”

✓ located verbatim in the source · abstract, characters 1518–1662
t0

“Chloris virgata”

✓ located verbatim in the source · abstract, characters 532–547

Title

Plant Nitrogen Dynamics and Nitrogen-use Strategies under Altered Nitrogen Seasonality and Competition

Z. Yuan; W. Liu; S. Niu; et al. Annals of Botany 2007. doi:10.1093/aob/mcm178

Other claims from this paper (7)
Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The authors hypothesize that nitrate accumulation and NR and GS reactions are coregulated and control nitrogen use efficiency.

Taxon
maizeZea mayse0
Gene
NR and GSe0
Outcome
nitrogen use efficiencye0
Qualifier
coregulatede0

Verbatim

e0

“we hypothesize that leaf nitrate accumulation and the reactions catalyzed by NR and GS are coregulated and represent key elements controlling nitrogen use efficiency in maize.”

✓ located verbatim in the source · abstract, characters 1478–1653

Title

Towards a Better Understanding of the Genetic and Physiological Basis for Nitrogen Use Efficiency in Maize

Bertrand Hirel; Pascal Bertin; Isabelle Quilleré; et al. PLANT PHYSIOLOGY 2001. doi:10.1104/pp.125.3.1258

Other claims from this paper (9)

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