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Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

N agronomic efficiency and partial factor productivity of applied N were higher in rice genotypes with high N use efficiency than in those with low N use efficiency.

Taxon: riceOryza sativat0
Material: rice genotypes with high N use efficiencye7
Outcome: N agronomic efficiency and Partial factor productivity of applied Ne7
Direction: highere7
Comparator: rice genotypes with low N use efficiencye7

Verbatim

t0
“Different Rice Genotypes”
✓ located verbatim in the source · title, characters 33–57

e7
“N agronomic efficiency and Partial factor productivity of applied N of rice genotypes with high N use efficiency were higher than those of rice genotypes with low N use efficiency”
✓ located verbatim in the source · abstract, characters 793–972

Title

Classification and Evaluation on Different Rice Genotypes with Nitrogen Use Efficiency

Fan Shu-xi Hubei nongye kexue 2014

Other claims from this paper (5)

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Agronomic N use efficiency and fertilizer N efficiency did not differ significantly among genotypes and N rates.

Outcome: Agronomic N use efficiency and efficiency of fertilizer Ne0

Not reportedTaxon

Verbatim

e0
“Agronomic N use efficiency and efficiency of fertilizer N didn't differ significantly among genotypes and N rates”
✓ located verbatim in the source · abstract, characters 668–781

Title

Nitrogen uptake and N use efficiency in hybrid and common rice as influenced by nitrogen fertilization

Mahendra Pal; Guoping Zhang; Chen Jin-xin ORYZA- An International Journal on Rice 2008

Other claims from this paper (9)

Observation Rice plant nitrogen content was significantly affected by genotype and nitrogen fertilization.
Observation Rice N content increased with N uptake rate across all plant parts.
Observation Rice grain contained 66% of total N at N0.
Observation Rice grain contained 59% of total N at N1.
Observation Rice grain contained 60% of total N at N2.
Observation Genotype-by-N-rate interaction significantly affected leaf N content at tillering and heading.
Observation Genotype-by-N-rate interaction significantly affected grain N content at maturity.
Observation Genotype and N fertilization significantly affected physiological N use efficiency.
Observation Common rice had higher physiological N use efficiency.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Triticale had higher N uptake efficiency and N use efficiency.

Taxon: triticale×Triticosecalee0
Outcome: N uptake efficiency and higher N use efficiencye0
Direction: highere0

Verbatim

e0
“triticale had higher N uptake efficiency and higher N use efficiency”
✓ located verbatim in the source · abstract, characters 1523–1591

Title

Triticale out-performs wheat on range of UK soils with a similar nitrogen requirement

S. E. ROQUES; D. R. KINDRED; S. CLARKE The Journal of Agricultural Science 2016. doi:10.1017/s0021859616000356

Other claims from this paper (11)

Observation Triticale had higher mean yield than wheat at 13 of 16 sites.
Observation Triticale had a 0·53 t/ha yield advantage in first cereal position.
Observation Triticale had a 1·26 t/ha yield advantage in second cereal position.
Association Optimal N requirement varied by variety at ten of 16 sites.
Observation Optimal N rates showed no consistent difference between wheat and triticale.
Observation Triticale grain had lower protein content than wheat grain.
Observation Triticale grain had lower specific weight than wheat grain.
Observation Triticale showed higher biomass and straw yields than wheat.
Observation Triticale had lower harvest index than wheat.
Observation Triticale had higher total N uptake than wheat.
Recommendation The authors judge current UK N fertilizer recommendations for triticale too low.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Agronomic N use efficiency was positively correlated with physiological N use efficiency and partial factor productivity of applied N.

Taxon: Flue-cured tobaccoe0
Outcome: physiological N use efficiency and partial factor productivity of applied Ne7
Direction: positively correlatede7
Comparator: agronomic N use efficiencye7

Verbatim

e0
“Flue-cured tobacco(FCT) is a nitrogen-sensitive plant”
✓ located verbatim in the source · abstract, characters 0–53

e7
“agronomic N use efficiency was positively correlated with physiological N use efficiency and partial factor productivity of applied N”
✓ located verbatim in the source · abstract, characters 1330–1463

Title

Effect of basal nitrogen fertilization time on nitrogen fertilizer use in flue-cured tobacco

Xie Zhi Zhongguo shengtai nongye xuebao 2013

Other claims from this paper (17)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salinity reduced water use and nitrate-N-use efficiency of citrus.

Taxon: CitrusCitrust0
Treatment: Salinityt0
Outcome: Water Use and Nitrate-N-use Efficiencyt0
Direction: Reducest0

Not reportedComparator

Verbatim

t0
“Salinity Reduces Water Use and Nitrate-N-use Efficiency of Citrus”
✓ located verbatim in the source · title, characters 0–65

Title

Salinity Reduces Water Use and Nitrate-N-use Efficiency of Citrus

J Lea-Cox Annals of Botany 1993. doi:10.1006/anbo.1993.1079

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

N apparent use efficiency and N physiological use efficiency first increased and then decreased with N rate.

Taxon: spring maizeZea mayse1
Treatment: N application ratee1
Outcome: N apparent use efficiency and N physiological use efficiencye5
Direction: first increased and then decreasede5

Not reportedComparator

Verbatim

e1
“The results showed that the yield of spring maize increased significantly with N application rate increasing”
✓ located verbatim in the source · abstract, characters 281–389

e5
“N apparent use efficiency and N physiological use efficiency both first increased and then decreased”
✓ located verbatim in the source · abstract, characters 652–752

Title

Response of Spring Maize Grain Yield, Nitrogen Efficiency and Soil Mineral Nitrogen to Nitrogen Application

Juan Ying-hu Nongye ziyuan yu huanjing xuebao 2014

Other claims from this paper (11)

Intervention effect Spring maize yield increased significantly with increasing N application rate.
Intervention effect Above 180 kg·hm-2 N, spring maize yield stayed stable or tended to decline.
Intervention effect N agronomic use efficiency, N uptake efficiency and N partial productivity decreased significantly with increasing N rate.
Intervention effect N harvest index decreased significantly with increasing N rate.
Observation Soil NO3--N content in 0~60 cm showed an increase-decrease-increase-decrease trend, then stabilised, over the season of spring maize.
Observation Under N treatment, soil NO3--N content in 60~120 cm showed a trend of increase at the late growing stage.
Observation Soil NO3--N content decreased in a wave manner with increasing soil depth.
Intervention effect At 240 and 300 kg·hm-2 N, soil NO3--N content in 60~100 cm was significantly higher than under other N rates.
Intervention effect NO3--N accumulation in 0~120 cm soil layer increased significantly with increasing N rate.
Intervention effect Above 240 kg·hm-2 N, accumulated soil NO3--N had a high leaching risk.
Recommendation 179 to 209 kg N·hm-2 is the reasonable N application rate for spring maize under the experimental conditions.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Dry matter weight, root/shoot ratio, N content, N accumulation, N-use efficiency and N use index were selected as nitrogen efficiency parameters.

Taxon: peanutArachis hypogaeat0
Outcome: N efficiency parameterse0
Value: dry matter weight, root/shoot ratio, N content, N accumulation, N-use efficiency, and N use indexe0

Verbatim

e0
“dry matter weight, root/shoot ratio, N content, N accumulation, N-use efficiency, and N use index were considered to be the N efficiency parameters”
✓ located verbatim in the source · abstract, characters 687–834

t0
“Peanut”
✓ located verbatim in the source · title, characters 117–123

Title

Establishment of a Comprehensive Evaluation System for Low Nitrogen and Screening of Nitrogen-Efficient Germplasm in Peanut

Ping Zhang; Dongming Gang; Yanliang Wang; et al. Horticulturae 2024. doi:10.3390/horticulturae10070669

Other claims from this paper (3)

Method / resource The authors identified 0.15 mM N for 24 days as the optimal seedling nitrogen efficiency screening condition.
Method / resource A regression model was established for nitrogen efficiency evaluation.
Method / resource Nitrogen-efficient and nitrogen-inefficient peanut genotypes were screened from the germplasm.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

N apparent use efficiency and N physiological use efficiency first increased and then decreased with increasing N rate.

Taxon: Spring MaizeZea mayst0
Outcome: N apparent use efficiency and N physiological useefficiencye0
Direction: first increased and then decreasede0

Not reportedTreatmentComparator

Verbatim

t0
“Spring Maize”
✓ located verbatim in the source · title, characters 12–24

e0
“N apparent use efficiency and N physiological useefficiency both first increased and then decreased”
✓ located verbatim in the source · abstract, characters 649–748

Title

Response of Spring Maize Grain Yield, Nitrogen Efficiency and Soil Mineral Nitrogen to Nitrogen Application

JUAN Ying-hua; WANG Ren; HAN Xiao-ri; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2014. doi:10.13254/j.jare.2013.0241

Other claims from this paper (9)

Intervention effect Spring maize yield increased significantly as N application rate increased.
Intervention effect Once the N rate exceeded 180 kg/ha, spring maize yield stayed stable or tended to decline.
Intervention effect N agronomic use efficiency, N uptake efficiency and N partial productivity decreased significantly with increasing N rate.
Intervention effect N harvest index decreased significantly with increasing N rate.
Observation Soil NO3-N content decreased in a wave manner with increasing soil depth.
Intervention effect At 240 and 300 kg/ha N, NO3-N content in the 60-100 cm soil layer was significantly higher than under the other N treatments.
Intervention effect NO3-N accumulation in the 0-120 cm soil layer increased significantly with increasing N rate.
Observation Above 240 kg/ha N, accumulated NO3-N in the soil layer carried a high leaching risk.
Recommendation The reasonable N application rate for spring maize under the experimental conditions is 179-209 kg N/ha.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Mineral fertilizer treatments had low physiological N use efficiency.

Taxon: maizeZea mayst0
Outcome: low physiological N use efficiencye0

Verbatim

e0
“but low physiological N use efficiency”
✓ located verbatim in the source · abstract, characters 1035–1073

t0
“maize”
✓ located verbatim in the source · title, characters 45–50

Title

Nitrogen use efficiency of poultry manure by maize

S A Boateng; M Kornahrens; J Zickermann Journal of Science and Technology (Ghana) 2007. doi:10.4314/just.v27i2.33042

Other claims from this paper (6)

Intervention effect Five manure treatments had higher physiological N use efficiency than mineral fertilizer and combined fertilizer.
Observation Mineral fertilizer had apparent N use efficiency of 58%.
Observation Combined fertilizer and manure had apparent N use efficiency of 40%.
Observation At 4 t ha-1 manure, maize ear leaves had 2.17% N.
Observation At 4 t ha-1 manure, grain N content was 12.56 g kg-1.
Observation At 4 t ha-1 manure, physiological N use efficiency was highest at 60 kg ha-1.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Genotype and N fertilization significantly affected physiological N use efficiency.

Outcome: physiological N use efficiencye0

Not reportedTaxon

Verbatim

e0
“Both genotype and nitrogen fertilization affected physiological N use efficiency significantly”
✓ located verbatim in the source · abstract, characters 528–622

Title

Nitrogen uptake and N use efficiency in hybrid and common rice as influenced by nitrogen fertilization

Mahendra Pal; Guoping Zhang; Chen Jin-xin ORYZA- An International Journal on Rice 2008

Other claims from this paper (9)

Observation Rice plant nitrogen content was significantly affected by genotype and nitrogen fertilization.
Observation Rice N content increased with N uptake rate across all plant parts.
Observation Rice grain contained 66% of total N at N0.
Observation Rice grain contained 59% of total N at N1.
Observation Rice grain contained 60% of total N at N2.
Observation Genotype-by-N-rate interaction significantly affected leaf N content at tillering and heading.
Observation Genotype-by-N-rate interaction significantly affected grain N content at maturity.
Observation Common rice had higher physiological N use efficiency.
Observation Agronomic N use efficiency and fertilizer N efficiency did not differ significantly among genotypes and N rates.

“N use efficiency”

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