Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

IFC promoted N absorption and its efficiency.

Outcome: N absorption and its efficiencye0
Direction: promotede0

Not reportedTaxonTreatmentComparator

Verbatim

e0
“Simultaneously,N absorption and its efficiency are promoted”
✓ located verbatim in the source · abstract, characters 228–287

Title

Effects of integrated fertilizer companion on the N absorption and grain yield of winter wheat

Xin Zhu 2004

Other claims from this paper (3)

Intervention effect IFC increased wheat root weight and leaf area.
Intervention effect IFC increased wheat chlorophyll content and dry matter amount.
Intervention effect IFC decreased N yield utilization efficiency.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing maize population raised maize N absorption efficiency.

Taxon: maizeZea mayse0
Treatment: Increasing the maize populatione1
Outcome: N absorption efficiency of maizee0
Direction: increasede0

Verbatim

e0
“although it increased the N absorption efficiency of maize”
✓ located verbatim in the source · abstract, characters 956–1014

e1
“Increasing the maize population caused a reduction in the N absorption efficiency of mungbean although it increased the N absorption efficiency of maize”
✓ located verbatim in the source · abstract, characters 862–1014

Title

Nitrogen utilization efficiency as affected by component populations in maize-mungbean intercropping

Mrinal K. Chowdhury; E. L. Rosario Tropical Agriculture 1993

Other claims from this paper (13)

Intervention effect Maize dry matter yield was maximal at sole crop component populations.
Intervention effect Mungbean dry matter yield was maximal at sole crop component populations.
Intervention effect Land equivalent ratio was maximal at the respective sole crop populations.
Association Mungbean population had no significant effect on maize grain yield.
Association Mungbean yield fell as either component crop population increased.
Intervention effect Intercropping reduced maize nitrogen absorption relative to sole crops.
Intervention effect Intercropping reduced mungbean nitrogen absorption relative to sole crops.
Association Increasing maize population reduced mungbean N absorption efficiency.
Intervention effect Combined intercrop N absorption efficiency exceeded that of the sole crops added together.
Mechanism Higher N absorption efficiency was the major source of LER over unity.
Intervention effect Intercropping decreased maize N conversion efficiency.
Intervention effect Intercropping slightly increased mungbean N conversion efficiency.
Mechanism Overall N conversion efficiency contributed negatively to LER over unity.

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.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing maize population reduced mungbean N absorption efficiency.

Taxon: mungbeanVigna radiatae0
Treatment: Increasing the maize populatione0
Outcome: N absorption efficiency of mungbeane0
Direction: reductione0

Verbatim

e0
“Increasing the maize population caused a reduction in the N absorption efficiency of mungbean”
✓ located verbatim in the source · abstract, characters 862–955

Title

Nitrogen utilization efficiency as affected by component populations in maize-mungbean intercropping

Mrinal K. Chowdhury; E. L. Rosario Tropical Agriculture 1993

Other claims from this paper (13)

Intervention effect Maize dry matter yield was maximal at sole crop component populations.
Intervention effect Mungbean dry matter yield was maximal at sole crop component populations.
Intervention effect Land equivalent ratio was maximal at the respective sole crop populations.
Association Mungbean population had no significant effect on maize grain yield.
Association Mungbean yield fell as either component crop population increased.
Intervention effect Intercropping reduced maize nitrogen absorption relative to sole crops.
Intervention effect Intercropping reduced mungbean nitrogen absorption relative to sole crops.
Association Increasing maize population raised maize N absorption efficiency.
Intervention effect Combined intercrop N absorption efficiency exceeded that of the sole crops added together.
Mechanism Higher N absorption efficiency was the major source of LER over unity.
Intervention effect Intercropping decreased maize N conversion efficiency.
Intervention effect Intercropping slightly increased mungbean N conversion efficiency.
Mechanism Overall N conversion efficiency contributed negatively to LER over unity.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen absorption efficiency enhanced phosphorus absorption efficiency under high nitrogen.

Taxon: Chinese firt0
Treatment: high Ne0
Outcome: PAEe0
Direction: enhancede0
Qualifier: high N conditionse0

Verbatim

e0
“nitrogen absorption efficiency synergistically enhanced PAE under high N conditions”
✓ located verbatim in the source · abstract, characters 1146–1229

t0
“Chinese fir”
✓ located verbatim in the source · title, characters 150–161

Title

Synergistic effects of nitrogen deposition and phosphorus distribution patterns on root morphological and chemical traits, and nutrient efficiency in Chinese fir

Ya-Jing Zhang; Ya-Li Si; Shi-Bo Ju; et al. Journal of Plant Ecology 2025. doi:10.1093/jpe/rtaf062

Other claims from this paper (12)

Intervention effect Elevated nitrogen increased aboveground and belowground biomass with heterogeneous phosphorus.
Intervention effect Elevated nitrogen increased Y061 root length and surface area.
Intervention effect Elevated nitrogen significantly increased APase activity.
Intervention effect Elevated nitrogen decreased organic acid secretion under homogeneous phosphorus deficiency.
Association Phosphorus-efficient clones had higher phosphorus absorption efficiency than Y2C under heterogeneous supply.
Intervention effect Nitrogen increased lactic, malonic, succinic and oxalic acid in root exudates.
Intervention effect Nitrogen decreased shikimic, quinic and malic acids in root exudates.
Observation Y061 and Y020 showed superior nitrogen and phosphorus absorption.
Observation Y2C prioritized enzymatic phosphorus mobilization in homogeneous deficiency.
Observation Y2C showed compromised growth in homogeneous deficiency.
Recommendation The authors recommend Y061 and Y020 in high nitrogen regions to improve productivity.
Recommendation The authors recommend mixed plantations with heterogeneous phosphorus to enhance nutrient resilience.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Shennong 265 showed better N absorption and use efficiency, especially at high N.

Taxon: RiceOryza sativat0
Outcome: N absorption and use efficiencye0
Direction: bettere0
Qualifier: under high N levele0

Verbatim

e0
“N absorption and use efficiency were better especially under high N level”
✓ located verbatim in the source · abstract, characters 1263–1336

t0
“Different Panicle Rice”
✓ located verbatim in the source · title, characters 64–86

Title

Influence of N Fertilizer on N Accumulation and Distribution of Different Panicle Rice in Irrigated Region of Xiliaohe Plain

Song Gui Journal of Nuclear Agricultural Sciences 2014

Other claims from this paper (8)

Observation Shennong 265 had higher spike length, spikelet number and harvest index than Liaojing 294 under different N rates.
Observation Shennong 265 had lower spike number than Liaojing 294.
Observation Shennong 265 accumulated more N than Liaojing 294 from heading to harvest.
Observation Shennong 265 accumulated less N than Liaojing 294 from tillering to heading.
Intervention effect N application improved the maximum N accumulation rate.
Intervention effect N application advanced the beginning and ending of rapid N accumulation.
Observation Shennong 265 had a lower maximum N accumulation rate than Liaojing 294.
Observation The maximum and rapid N accumulation times were postponed in Shennong 265.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Minimum N supply promoted higher efficiency of N absorption in the genotypes.

Taxon: Jatropha curcas L.Jatropha curcast0
Treatment: minimum supply of Ne1
Outcome: efficiency of absorptione1
Direction: highere1

Not reportedComparator

Verbatim

t0
“physic nut genotypes (Jatropha curcas L.)”
✓ located verbatim in the source · title, characters 26–67

e1
“In total, the minimum supply of N promoted higher efficiency of absorption in the genotypes”
✓ located verbatim in the source · abstract, characters 1013–1104

Title

Simultaneous selection of physic nut genotypes (Jatropha curcas L.) for efficient absorption and utilization of N and P

Lima Deleon Martins; Wagner Nunes Rodrigues; Leonardo Fardim Christro; et al. Australian Journal of Crop Science 2015

Other claims from this paper (7)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen absorption efficiency declined as N input increased.

Taxon: Spring WheatTriticum aestivumt0
Treatment: increasing N inpute0
Outcome: N absorption efficiencye0
Direction: declinede0

Verbatim

e0
“With increasing N input, N absorption efficiency and N partial factor productivity declined”
✓ located verbatim in the source · abstract, characters 885–976

t0
“Spring Wheat”
✓ located verbatim in the source · title, characters 112–124

t1
“Spring Wheat”
✓ located verbatim in the source · title, characters 112–124

Title

Nitrogen Fertilizer Rates Regulate Source–Sink Dynamics, Post-Anthesis N Translocation, and Yield Production in Spring Wheat on the Loess Plateau, China

Yafei Chen; Aixia Xu; Zechariah Effah; et al. Agriculture 2025. doi:10.3390/agriculture15242616

Other claims from this paper (7)

Intervention effect Biomass peaked at 6029 kg ha−1 under N3.
Intervention effect Grain yield peaked at 2625 kg ha−1 under N3.
Mechanism Nitrogen fertilization increased yield through pre-anthesis translocation of assimilate and N.
Intervention effect Assimilate translocation peaked at 105 kg N ha−1, 8.5–133.7% above other treatments.
Association Nitrogen partial factor productivity declined as N input increased.
Intervention effect Nitrogen agronomic use efficiency was highest under N3, 19.5–176.34% above other treatments.
Recommendation The authors recommend approximately 105 kg ha−1 for yield and N-use efficiency.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

N absorption, translocation and fertilizer-N use efficiency were significantly influenced by N application rates.

Taxon: Japonica RiceOryza sativa Japonica Groupt0
Material: Nanjing 44t0
Treatment: nitrogen application ratese1
Outcome: N absorption,translocation and fertilizer-N use efficiencye1

Not reportedComparatorDirection

Verbatim

t0
“in Japonica Rice Cultivar Nanjing 44”
✓ located verbatim in the source · title, characters 113–149

e1
“Results showed that N absorption,translocation and fertilizer-N use efficiency in Nanjing 44 were significantly influenced by nitrogen application rates”
✓ located verbatim in the source · abstract, characters 232–384

Title

Effects of Nitrogen Application Rate on Nitrogen Absorption,Translocation and Fertilizer-nitrogen Use Efficiency in Japonica Rice Cultivar Nanjing 44

Xue Xin-hong Guangdong nongye kexue 2009

Other claims from this paper (11)

Intervention effect Amount of N translocation in the grain-filling period increased significantly with N application rate.
Intervention effect N harvest index, recovery efficiency and physiological efficiency showed an obvious reduction as N application rate increased.
Intervention effect Agronomic efficiency and partial factor productivity showed an obvious reduction as N application rate increased.
Intervention effect Manual-transplanted seedlings had more N accumulation after heading than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had a higher ratio of N accumulation after heading than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had more N translocation at the grain-filling stage than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had a higher rate of N translocation at the grain-filling stage than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had higher NHI, PE and PFP than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had fewer N accumulations before heading and at maturity than machine-transplanted seedlings.
Intervention effect Manual-transplanted seedlings had lower contributions to grain-N and lower RE than machine-transplanted seedlings.
Observation Manual- and machine-transplanted seedlings showed the same trend of N accumulation before heading and at maturity.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N4 enhanced grain nitrogen accumulation, absorption efficiency, and translocation.

Taxon: WheatTriticum aestivumt0
Treatment: N4e0
Outcome: N accumulation in the grains, N absorption efficiency, and N translocatione0
Direction: enhancede0

Not reportedComparator

Verbatim

e0
“N4 also enhanced N accumulation in the grains, N absorption efficiency, and N translocation”
✓ located verbatim in the source · abstract, characters 1170–1261

t0
“Wheat”
✓ located verbatim in the source · title, characters 59–64

Title

Effect of Combined Urea and Calcium Nitrate Application on Wheat Tiller Development, Nitrogen Use Efficiency, and Grain Yield

Chao Wang; Haixing Cui; Min Jin; et al. Plants 2025. doi:10.3390/plants14020277

Other claims from this paper (9)

Intervention effect N4 increased ZR and ZT in tiller nodes.
Intervention effect N4 maintained a higher ZR + ZT to GA7 ratio.
Mechanism The hormonal shift promoted tiller formation and biomass accumulation.
Intervention effect N4 gave both cultivars the highest effective spikes and higher order tiller biomass.
Intervention effect N4 reduced nitrogen loss.
Intervention effect Against N1, N4 increased effective spike number in SN28 by 7.8%.
Intervention effect Against N1, N4 increased effective spike number in TN18 by 5.6%.
Intervention effect Against N1, N4 increased SN28 grain yield by 6.4%.
Intervention effect Against N1, N4 increased TN18 grain yield by 2.2%.

“N-absorption efficiency”

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