Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen accumulation rate increased with nitrogen rate.

Taxon: winter wheatTriticum aestivumt0
Treatment: N ratee0
Outcome: nitrogen accumulation ratee0
Direction: increasede0

Verbatim

e0
“The nitrogen accumulation rate,which had significant differences between different varieties,increased as N rate increased.”
✓ located verbatim in the source · abstract, characters 594–717

t0
“winter wheat”
✓ located verbatim in the source · title, characters 75–87

Title

Characteristics of nitrogen accumulation,distribution and translocation in winter wheat on dryland

Jianbin Zhou Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (11)

Observation The greatest seasonal nitrogen uptake occurred from reviving to anthesis.
Observation Nitrogen accumulation rate differed significantly among varieties.
Intervention effect Grain yield decreased as nitrogen rate increased above 180 kg/ha.
Observation Xiaoyan 22 had the highest nitrogen accumulation, followed by Shaan 253, Xiaoyan 503 and Shaan 229.
Observation Leaves and stems held a high share of accumulated nitrogen before anthesis.
Observation Stem nitrogen accumulation reached its peak at anthesis.
Association Residual nitrogen in leaves and stems at maturity increased with nitrogen rate.
Observation Grain nitrogen accumulation was greatest at 180 kg/ha nitrogen.
Observation Leaf nitrogen transport efficiency during grain filling exceeded that of spikes and stems.
Observation Nitrogen-use efficiency varied among varieties.
Observation Xiaoyan 22 exceeded other varieties in nitrogen recovery, agronomic efficiency and physiological efficiency.

Mechanismauthor interpretationoriginal resultsimulated

Claim · model-written summary

The model attributed individual grain nitrogen accumulation rate to source nitrogen availability and sink accumulation capacity.

Taxon: RiceOryza sativat0
Outcome: rate of individual grain nitrogen accumulatione0
Qualifier: nitrogen availability restricted by source and nitrogen accumulation rate restricted by sinke0

Verbatim

e0
“rate of individual grain nitrogen accumulation was determined by the nitrogen availability restricted by source and nitrogen accumulation rate restricted by sink”
✓ located verbatim in the source · abstract, characters 590–751

t0
“in Rice”
✓ located verbatim in the source · title, characters 62–69

Title

Modeling Plant Nitrogen Uptake and Grain Protein Accumulation in Rice

Jie Chen; Liang Tang; Xiaojun Liu; et al. Zhongguo nongye Kexue 2011

Other claims from this paper (12)

Mechanism The modeled source availability was the sum of uptake and remobilization after anthesis.
Mechanism The modeled sink rate depended on potential accumulation and temperature, water and nitrogen effects.
Association Post-anthesis nitrogen uptake had a logarithmic relationship with increasing grain weight.
Mechanism Nitrogen remobilization after anthesis drew on nitrogen in leaves and stems.
Association Relative leaf and stem nitrogen content increased linearly with accumulated growing degree days before anthesis.
Association Relative leaf and stem nitrogen content decreased linearly with growing degree days after anthesis.
Method / resource The model fit pre-anthesis leaf nitrogen uptake with R2 0.968 and RMSE 16.55%.
Method / resource The model fit pre-anthesis stem nitrogen uptake with R2 0.980 and RMSE 13.24%.
Method / resource The model fit post-anthesis grain nitrogen uptake with R2 0.974 and RMSE 9.53%.
Method / resource The model fit post-anthesis leaf nitrogen translocation with R2 0.970 and RMSE 10.93%.
Method / resource The model fit post-anthesis stem nitrogen translocation with R2 0.976 and RMSE 9.29%.
Method / resource The model fit grain protein content with R2 0.930 and RMSE 7.82%.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Nitrogen rate significantly influenced nitrogen accumulation in hybrid cotton.

Taxon: hybrid cottonGossypium hirsutume0
Treatment: nitrogen ratee0
Outcome: nitrogen accumulatione0

Not reportedComparatorDirection

Verbatim

e0
“nitrogen rate and fertigation frequency significantly influenced nitrogen accumulation,dry mass and yield of hybrid cotton.”
✓ located verbatim in the source · abstract, characters 329–452

Title

Effects of Nitrogen Rate and Fertigation Frequency on Nitrogen Uptake and Yield of Hybrid Cotton

Ruan Ming-yan Mianhua xuebao 2009

Other claims from this paper (9)

Intervention effect Fertigation frequency significantly influenced nitrogen accumulation in hybrid cotton.
Intervention effect Nitrogen rate significantly influenced cotton dry mass.
Intervention effect Fertigation frequency significantly influenced cotton dry mass.
Intervention effect Nitrogen rate significantly influenced cotton yield.
Intervention effect Fertigation frequency significantly influenced cotton yield.
Intervention effect At 360 kg·hm-2 N, 5-day fertigation increased cotton nitrogen accumulation.
Intervention effect At 270 kg·hm-2 N, 5-day fertigation increased cotton dry mass.
Intervention effect At 450 kg·hm-2 N, the two fertigation frequencies did not differ statistically.
Recommendation The authors recommend increased fertigation frequency to improve cotton yield during critical water and nutrient supply.

Mechanismauthor interpretationoriginal resultsimulated

Claim · model-written summary

The modeled sink rate depended on potential accumulation and temperature, water and nitrogen effects.

Taxon: RiceOryza sativat0
Outcome: nitrogen accumulation rate restricted by sinke0
Qualifier: potential nitrogen accumulation rate and interactive effects of temperature,water and nitrogen factorse0

Verbatim

e0
“nitrogen accumulation rate restricted by sink was dependent on potential nitrogen accumulation rate and interactive effects of temperature,water and nitrogen factors”
✓ located verbatim in the source · abstract, characters 914–1079

t0
“in Rice”
✓ located verbatim in the source · title, characters 62–69

Title

Modeling Plant Nitrogen Uptake and Grain Protein Accumulation in Rice

Jie Chen; Liang Tang; Xiaojun Liu; et al. Zhongguo nongye Kexue 2011

Other claims from this paper (12)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Severe water deficit reduced oat nitrogen accumulation rate.

Taxon: white oatt0
Treatment: Severe water deficite0
Outcome: nitrogen accumulation ratee0
Direction: reducese0

Verbatim

e0
“Severe water deficit causes earlier peak of biomass and nitrogen accumulation, reduces nitrogen accumulation rate”
✓ located verbatim in the source · abstract, characters 1164–1277

t0
“white oat”
✓ located verbatim in the source · title, characters 37–46

Title

Biomass and nitrogen accumulation in white oat (Avena sativa L.) under water deficit

Anderson Prates Coelho; Rogério Teixeira de Faria; Fábio Tiraboschi Leal; et al. Revista CERES 2020. doi:10.1590/0034-737x202067010001

Other claims from this paper (6)

Observation Maximum total nitrogen accumulation was 50 kg ha-1 under severe water deficit.
Observation Maximum total nitrogen accumulation was 163 kg ha-1 under moderate deficit.
Observation Maximum total nitrogen accumulation was 246 kg ha-1 without deficit.
Observation Severe water deficit drastically reduced oat biomass and nitrogen accumulation.
Observation Severe water deficit caused earlier peaks of biomass and nitrogen accumulation.
Observation Severe water deficit shortened the white oat cycle.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Stem nitrogen accumulation in PI429186 increased with nitrogen rate.

Taxon: Triticale×Triticosecalet0
Material: PI429186e0
Organ / stage: steme0
Treatment: N application ratee0
Outcome: N accumulatione0
Direction: increasede0

Verbatim

e0
“N accumulation in root,stem and leaf of Nefficient triticale genotype(PI429186)increased with the increasing of N application rate”
✓ located verbatim in the source · abstract, characters 539–669

t0
“Triticale”
✓ located verbatim in the source · title, characters 76–85

Title

Effect of Nitrogen Application Rate on Biomass and Nitrogen Accumulation of Triticale

Zhang Xi-zho 2013

Other claims from this paper (11)

Association Triticale biomass increased as nitrogen application rate increased.
Observation PI429186 biomass was significantly higher than CIxt74 at the same nitrogen rate and growing period.
Association Root nitrogen accumulation in PI429186 increased with nitrogen rate.
Association Leaf nitrogen accumulation in PI429186 increased with nitrogen rate.
Association Nitrogen accumulation showed the same rate trend across growth stages.
Observation Root nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Stem nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Leaf nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Genotypic nitrogen accumulation differences followed the same trend across growth stages.
Recommendation The authors recommend promoting PI429186 to improve forage yield.
Recommendation The authors recommend base fertilizer and nutrient supply as a nitrogen fertilizer application method.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Leaf nitrogen accumulation in PI429186 increased with nitrogen rate.

Taxon: Triticale×Triticosecalet0
Material: PI429186e0
Organ / stage: leafe0
Treatment: N application ratee0
Outcome: N accumulatione0
Direction: increasede0

Verbatim

e0
“N accumulation in root,stem and leaf of Nefficient triticale genotype(PI429186)increased with the increasing of N application rate”
✓ located verbatim in the source · abstract, characters 539–669

t0
“Triticale”
✓ located verbatim in the source · title, characters 76–85

Title

Effect of Nitrogen Application Rate on Biomass and Nitrogen Accumulation of Triticale

Zhang Xi-zho 2013

Other claims from this paper (11)

Association Triticale biomass increased as nitrogen application rate increased.
Observation PI429186 biomass was significantly higher than CIxt74 at the same nitrogen rate and growing period.
Association Root nitrogen accumulation in PI429186 increased with nitrogen rate.
Association Stem nitrogen accumulation in PI429186 increased with nitrogen rate.
Association Nitrogen accumulation showed the same rate trend across growth stages.
Observation Root nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Stem nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Leaf nitrogen accumulation in PI429186 exceeded CIxt74.
Observation Genotypic nitrogen accumulation differences followed the same trend across growth stages.
Recommendation The authors recommend promoting PI429186 to improve forage yield.
Recommendation The authors recommend base fertilizer and nutrient supply as a nitrogen fertilizer application method.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Peak nitrogen accumulation rate increased with nitrogen rate.

Taxon: flue-cured tobaccoe2
Treatment: N ratese0
Outcome: nitrogen accumulatione1
Direction: increasede0

Verbatim

e0
“and all the three increased with N rates”
✓ located verbatim in the source · abstract, characters 991–1031

e1
“highest rates of accumulation in dry weight and nitrogen accumulation and nicotine accumulation of the whole plant”
✓ located verbatim in the source · abstract, characters 875–989

e2
“growth and the accumulation of nitrogen and nicotine in flue-cured tobacco”
✓ located verbatim in the source · abstract, characters 158–232

Title

Effects of Different Nitrogen Rates on the Growth and Nitrogen and Nicotine Accumulation in Flue-Cured Tobacco

Chunjian Li Journal of Southwest University 2008

Other claims from this paper (11)

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Nitrogen accumulation rate differed significantly among varieties.

Taxon: winter wheatTriticum aestivumt0
Material: different varietiese0
Outcome: nitrogen accumulation ratee0
Direction: significant differencese0

Verbatim

e0
“The nitrogen accumulation rate,which had significant differences between different varieties,increased as N rate increased.”
✓ located verbatim in the source · abstract, characters 594–717

t0
“winter wheat”
✓ located verbatim in the source · title, characters 75–87

Title

Characteristics of nitrogen accumulation,distribution and translocation in winter wheat on dryland

Jianbin Zhou Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (11)

Observation The greatest seasonal nitrogen uptake occurred from reviving to anthesis.
Association Nitrogen accumulation rate increased with nitrogen rate.
Intervention effect Grain yield decreased as nitrogen rate increased above 180 kg/ha.
Observation Xiaoyan 22 had the highest nitrogen accumulation, followed by Shaan 253, Xiaoyan 503 and Shaan 229.
Observation Leaves and stems held a high share of accumulated nitrogen before anthesis.
Observation Stem nitrogen accumulation reached its peak at anthesis.
Association Residual nitrogen in leaves and stems at maturity increased with nitrogen rate.
Observation Grain nitrogen accumulation was greatest at 180 kg/ha nitrogen.
Observation Leaf nitrogen transport efficiency during grain filling exceeded that of spikes and stems.
Observation Nitrogen-use efficiency varied among varieties.
Observation Xiaoyan 22 exceeded other varieties in nitrogen recovery, agronomic efficiency and physiological efficiency.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Total dry matter accumulation significantly increased with nitrogen rate.

Treatment: increase of nitrogen ratee0
Outcome: total dry matter accumulatione0
Direction: increasede0

Not reportedTaxonComparator

Verbatim

e0
“The total dry matter accumulation significantly increased with the increase of nitrogen rate”
✓ located verbatim in the source · abstract, characters 669–761

Title

Effects of Nitrogen Rate on Grain Yield, Dry Matter Accumulation and LAI of DryLand Spring Maize

Feng Shang-zon Hubei nongye kexue 2015

Other claims from this paper (5)

Intervention effect Rising nitrogen rate significantly increased spring maize yield to a point.
Intervention effect Above 300 kg / ha nitrogen, yield gains slowed or slightly reversed.
Intervention effect LAI increased with nitrogen rate.
Observation LAI at silking reached a peak and then declined.
Recommendation The authors identified 300 kg / hm2 as the optimal nitrogen rate for higher grain yield in dryland soil.

“accumulation rate of nitrogen”

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