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Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The relationship of nitrogen use efficiency with nitrogen utilization efficiency was insignificant.

Compound: nitrogen utilization efficiencye0
Outcome: Nitrogen use efficiencye0

Not reportedTaxonDirection

Verbatim

e0
“Nitrogen use efficiency showed a positive relationship with nitrogen uptake efficiency, while the relationship with nitrogen utilization efficiency was insignificant”
✓ located verbatim in the source · abstract, characters 1338–1503

Title

Wheat, Barley, and Triticale Response to Nitrogen Fertilization in Pannonian Environment

Milan Mirosavljević; Vojislava Momčilović; Vladimir Aćin; et al. Agriculture 2025. doi:10.3390/agriculture15070683

Other claims from this paper (11)

Associationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Wheat nitrogen fruiting efficiency was not significantly correlated with nitrogen use efficiency.

Taxon: winter wheatTriticum aestivumt0
Outcome: Nitrogen fruiting efficiencye0
Direction: not significantly correlatede0
Qualifier: nitrogen use efficiencye0
Comparator: nitrogen use efficiencye0

Not reportedOrgan / stage

Verbatim

e0
“Nitrogen fruiting efficiency was positively correlated with nitrogen utilization efficiency, negatively correlated with nitrogen uptake efficiency, but not significantly correlated with nitrogen use efficiency.”
✓ located verbatim in the source · abstract, characters 408–618

t0
“winter wheat”
✓ located verbatim in the source · title, characters 97–109

Title

[Correlation between nitrogen fruiting efficiency and nitrogen utilization and remobilization in winter wheat at different sowing dates].

Yuan Gang Zhu; Jin Peng Chu; Xiu Zhang; et al. PubMed 2019. doi:10.13287/j.1001-9332.201904.005

Other claims from this paper (14)

Intervention effect Grain yield did not differ significantly among wheat sowing dates.
Intervention effect Grain number per unit area did not differ significantly among wheat sowing dates.
Intervention effect Delayed sowing lowered wheat nitrogen accumulation in both shoots and spikes.
Intervention effect Delayed sowing lowered wheat nitrogen uptake efficiency.
Intervention effect Delayed sowing raised wheat nitrogen utilization efficiency.
Intervention effect Delayed sowing raised wheat nitrogen fruiting efficiency.
Association Wheat nitrogen fruiting efficiency was positively correlated with nitrogen utilization efficiency.
Association Wheat nitrogen fruiting efficiency was negatively correlated with nitrogen uptake efficiency.
Intervention effect Wheat nitrogen nutrition index tended toward optimum under delayed sowing.
Association Wheat nitrogen nutrition index changed synchronously with improved nitrogen fruiting efficiency.
Intervention effect Later wheat sowing lowered Pre-anthesis nitrogen remobilization amount.
Intervention effect Later wheat sowing lowered post-anthesis nitrogen accumulation amount.
Intervention effect Later wheat sowing raised pre-anthesis nitrogen remobilization efficiency.
Association Wheat nitrogen fruiting efficiency correlated positively with nitrogen remobilization efficiency.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

S664 grain protein content, nitrogen use efficiency, irrigation benefit and water use efficiency did not differ between W1 and W2.

Taxon: wheatTriticum aestivumt0
Treatment: W1e0
Outcome: grain protein content,nitrogen use efficiency,irrigation benefit and water use efficiencye0
Direction: no differencese0
Comparator: W2e0

Verbatim

e0
“there were no differences of grain protein content,nitrogen use efficiency,irrigation benefit and water use efficiency between treatments W1 and W2.”
✓ located verbatim in the source · abstract, characters 1612–1760

t0
“wheat”
✓ located verbatim in the source · title, characters 101–106

Title

Changes in nitrogen accumulation,distribution,translocation and nitrogen use efficiency in different wheat cultivars under different irrigation conditions

Zhenzhu Xu Plant Nutrition and Fertilizing Science 2010

Other claims from this paper (11)

Observation T23 accumulated more total nitrogen than S664 under the same irrigation.
Observation T23 accumulated more fertilizer and soil nitrogen than S664.
Observation T23 had greater nitrogen accumulation in vegetative organs at anthesis and in grain and vegetative organs at maturity.
Intervention effect Fertilizer nitrogen translocation after anthesis was lower under W2 than W1.
Intervention effect Soil nitrogen translocation showed no significant change.
Intervention effect The authors also report increased fertilizer and soil nitrogen translocation under W2 versus W1.
Intervention effect T23 grain yield, grain protein yield and nitrogen use efficiency did not differ significantly between W1 and W2.
Intervention effect T23 grain protein content, irrigation benefit and water use efficiency were higher under W1.
Intervention effect S664 grain and protein yield were higher under W2 than W1.
Recommendation W1 was the preferred irrigation model for T23.
Recommendation W2 was the preferred irrigation model for S664.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Variation of nitrogen agronomy efficiency and nitrogen use efficiency indices was not significant under manure applications

Taxon: maizeZea mayse2
Treatment: applications of manurese6
Outcome: variation of nitrogen agronomy efficiency,annual nitrogen use efficiency and accumulated nitrogen use efficiencye7

Not reportedComparatorDirection

Verbatim

e2
“All levels of manure treatments and NPK significantly have increased maize yield”
✓ located verbatim in the source · abstract, characters 690–770

e6
“The soil fertility is improved with the applications of manures”
✓ located verbatim in the source · abstract, characters 1171–1234

e7
“the variation of nitrogen agronomy efficiency,annual nitrogen use efficiency and accumulated nitrogen use efficiency are not significant”
✓ located verbatim in the source · abstract, characters 1239–1375

Title

Change of nitrogen use efficiency of maize affected by long-term manure fertilization in the typical black soil

Hu Li Journal of Plant Nutrition and Fertilizer 2015

Other claims from this paper (7)

Intervention effect Manure treatments and NPK significantly increased maize yield relative to no fertilization
Intervention effect NPK combined with manures reduced the variation of maize yield
Intervention effect Longtime chemical fertilization increased nitrogen agronomy efficiency, annual and accumulated nitrogen use efficiency of maize, significantly or extremely significantly
Intervention effect Manure applications improved soil fertility
Association Variation trend of nitrogen use efficiency indices decreased significantly with the elongation of experiment time
Association Nitrogen use efficiency of maize was negatively correlated with soil organic carbon, total nitrogen and total phosphorus
Association Nitrogen use efficiency of maize was negatively correlated with soil available potassium

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The abstract reports no significant difference in nitrogen productivity, nitrogen use efficiency, water use efficiency and grain yield, but names T2 as both arms.

Taxon: winter wheatTriticum aestivumt0
Treatment: T2 treatmente0
Outcome: nitrogen partial productivity, nitrogen use efficiency, water use efficiency, and grain yielde0
Direction: no significant differencese0
Comparator: T2 treatmente0

Verbatim

t0
“winter wheat”
✓ located verbatim in the source · title, characters 150–162

e0
“There were no significant differences in nitrogen partial productivity, nitrogen use efficiency, water use efficiency, and grain yield between T2 treatment and T2 treatment.”
✓ located verbatim in the source · abstract, characters 1617–1790

Title

Effects of supplemental irrigation with micro-sprinkling hoses and water and fertilizer integration on yield and water and nitrogen use efficiency in winter wheat

Xue WANG; Shu-Bo GU; Xiang LIN; et al. ACTA AGRONOMICA SINICA 2023. doi:10.3724/sp.j.1006.2023.21009

Other claims from this paper (12)

Intervention effect Micro-sprinkling reduced irrigation amount by 53.3 mm and saved 35.5% water in the first year.
Intervention effect Micro-sprinkling reduced irrigation amount by 45.9 mm and saved 30.6% water in the second year.
Intervention effect Under the same irrigation, T2 had higher soil nitrate nitrogen than T1 at flowering and maturity.
Intervention effect Under W1, T1 had higher surface soil nitrate than the nonfertilized T2 row.
Intervention effect Under W1, T1 increased root length density and root surface area density versus T2 rows.
Intervention effect Under W2, T1 had higher soil nitrate nitrogen than nonfertilized T2 rows.
Intervention effect Under W2, T1 had higher root length and surface area density than T2 rows.
Intervention effect Under W2, T1 had higher root activity, nitrogen assimilation and transport than T2.
Intervention effect Under W2, T1 had higher nitrogen uptake and use efficiency than T2.
Intervention effect Under W2, T1 had higher water use efficiency and grain yield than T2.
Intervention effect With border irrigation, uniform nitrogen supply and localized nitrogen supply did not significantly differ in yield and water and nitrogen efficiency.
Intervention effect Under micro-spray irrigation, uniform nitrogen supply outperformed localized furrow and strip application.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Plant uptake nitrogen use efficiency did not differ significantly between chemical and biochar-loaded nitrogen.

Taxon: Paddyt0
Treatment: biochar-loaded nitrogene0
Outcome: nitrogen use efficiencye0
Direction: no significancee0
Comparator: chemical nitrogene0

Verbatim

e0
“no significance in nitrogen use efficiency were found for plant uptake between chemical nitrogen and biochar-loaded nitrogen”
✓ located verbatim in the source · abstract, characters 1120–1244

t0
“Paddy Growth”
✓ located verbatim in the source · title, characters 53–65

Title

[Effects of Returning Nitrogen by Biochar Loading on Paddy Growth, Root Morphology, and Nitrogen Use Efficiency].

Ying-Liang Yu; Yue-Man Wang; Peng-Fu Hou; et al. PubMed 2018. doi:10.13227/j.hjkx.201804034

Other claims from this paper (10)

Intervention effect Biochar-loaded nitrogen decreased aboveground paddy biomass by 16% versus nitrogen solution.
Intervention effect Biochar-loaded nitrogen decreased aboveground paddy nitrogen uptake by 14% versus nitrogen solution.
Intervention effect Biochar-loaded nitrogen increased paddy root-shoot biomass ratios by 25%-27%.
Intervention effect Biochar-loaded nitrogen reduced nitrogen recovery use efficiency.
Intervention effect The two nitrogen application methods affected paddy adventitious root length and volume.
Association Paddy underground biomass correlated positively with soil ammonium content.
Association Paddy underground nitrogen uptake correlated positively with soil ammonium content.
Association Aboveground paddy nitrogen uptake correlated negatively with root tips.
Intervention effect Biochar promoted soil mineral nitrogen content for plant uptake.
Recommendation The authors recommend biochar as a carrier to return nitrogen from waterbodies to fields.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Higher nitrogen had no significant effect on late rice nitrogen absorption and use efficiency.

Taxon: late ricee0
Treatment: Increasing nitrogen fertilizer ratee0
Outcome: nitrogen absorption and use efficiencye0

Not reportedComparatorDirection

Verbatim

e0
“Increasing nitrogen fertilizer rate also can increase nitrogen absorption and use efficiency of early rice,but had no significant effect on nitrogen absorption and use efficiency of late rice.”
✓ located verbatim in the source · abstract, characters 1107–1299

Title

Effects of Different Nitrogen Fertilizer Rates on Agronomic Traits and Nitrogen Use Efficiency of Rice in Southern Hunan

Qin DaoZhu Hunan Agricultural Sciences 2011

Other claims from this paper (12)

Intervention effect Higher nitrogen increased effective panicle and total grain numbers in early rice.
Intervention effect Higher nitrogen tended to decrease filled grain number, seed setting rate, and thousand grain weight in early rice.
Intervention effect Higher nitrogen decreased effective panicle number, seed setting rate, and thousand grain weight in late rice.
Intervention effect Higher nitrogen increased total grain number per panicle in late rice.
Intervention effect Higher nitrogen increased early rice yield and net income.
Observation The highest yield for early rice was associated with 240.7 kg/hm2.
Observation The economical nitrogen fertilizer rate for early rice was associated with 220.1 kg/hm2.
Observation The highest yield for late rice was associated with 122.3 kg/hm2.
Observation The economical nitrogen fertilizer rate for late rice was associated with 104.2 kg/hm2.
Intervention effect Higher nitrogen decreased late rice yield and net income.
Observation Late rice yield and net income were highest under nitrogen reduction.
Intervention effect Higher nitrogen increased early rice nitrogen absorption and use efficiency.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Nitrogen increase did not significantly change translocation efficiency, contribution rate or use efficiency.

Taxon: OatAvena sativat0
Treatment: increase of nitrogene0
Outcome: efficiency of nitrogen translocation,nitrogen contribution rate,use efficiency of nitrogene0
Direction: no significant changee0

Not reportedComparator

Verbatim

e0
“there is no significant change on the efficiency of nitrogen translocation,nitrogen contribution rate,use efficiency of nitrogen with the increase of nitrogen”
✓ located verbatim in the source · abstract, characters 759–917

t0
“Oat”
✓ located verbatim in the source · title, characters 109–112

Title

On Effect of Different Water and Nitrogen Condition on Nitrogen Absorption,Translocation and Accumulation of Oat

Wang Xiu-yin Journal of Southwest China Normal University 2014

Other claims from this paper (6)

Intervention effect Nitrogen treatment influenced nitrogen absorption and grain yield.
Intervention effect Irrigated plants accumulated more nitrogen than drought-treated plants at maturity under the same nitrogen application.
Intervention effect Increasing nitrogen increased plant nitrogen accumulation at maturity.
Intervention effect Increasing nitrogen increased nitrogen accumulation in vegetative organs.
Intervention effect Excess nitrogen restrained nitrogen translocation and utilization.
Recommendation The authors recommend an appropriate nitrogen amount for higher nitrogen utilization.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Nitrogen-use efficiency was similar under conventional and no tillage.

Taxon: wheatTriticum aestivume1
Treatment: NTe0
Outcome: Nitrogen-use efficiencye0
Direction: similare0
Comparator: CTe0

Verbatim

e0
“Nitrogen-use efficiency was similar (P = 0.13) under CT and NT in this Vertisol”
✓ located verbatim in the source · abstract, characters 1224–1303

e1
“Crops grown were mainly wheat (Triticum aestivum L.)”
✓ located verbatim in the source · abstract, characters 723–775

Title

Soil Nitrogen and Nitrogen-Use Efficiency under Long-Term No-till Practice

Ram C. Dalal; Weijin Wang; Diane E. Allen; et al. Soil Science Society of America Journal 2011. doi:10.2136/sssaj2010.0398

Other claims from this paper (7)

Observation Treatment effects on soil total N were concentrated in the top 0.1 m.
Observation Soil total N declined exponentially under all cereal management treatments.
Observation Apparent fertilizer N recovery was 46% at 90 kg N ha−1.
Observation Apparent fertilizer N recovery was 59% at 30 kg N ha−1.
Observation Soil profile mineral N ranged from 68 to 496 kg N ha−1.
Intervention effect Residue retention had higher N-use efficiency than residue burning.
Intervention effect Low N application had higher N-use efficiency than high application.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Wheat nitrogen use efficiency did not differ significantly between NPKM and NPK.

Taxon: wheatTriticum aestivume0
Treatment: NPKMe0
Outcome: nitrogen use efficiencye0
Direction: no significant differencee0
Comparator: NPKe0

Verbatim

e0
“no significant difference in nitrogen use efficiency between NPKM and NPK treatment for wheat”
✓ located verbatim in the source · abstract, characters 1154–1247

Title

Effects of nitrogen amount and fertilization patterns on crop yield and nitrogen use efficiency on the North China Plain

CAI Yuan-yuan; WANG Rui-qi; WANG Li-li; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2020. doi:10.13254/j.jare.2018.0254

Other claims from this paper (11)

Association Crop yield followed a parabolic trend with fertilizer amount.
Intervention effect Combined organic and inorganic fertilization produced the highest crop yield.
Intervention effect NPKM and NPK gave wheat yields without a significant difference.
Intervention effect NPKM and NPK wheat yields exceeded M and CK.
Intervention effect Maize yield did not differ significantly among NPKM, NPK and M.
Intervention effect NPKM, NPK and M produced significantly higher maize yield than CK.
Association Nitrogen utilization rate decreased as nitrogen application increased.
Intervention effect NPKM and NPK had higher wheat nitrogen use efficiency than M.
Intervention effect Maize nitrogen use efficiency did not differ significantly among NPKM, NPK and M.
Recommendation Organic fertilizer could replace chemical fertilizer without significantly reducing wheat yield.
Recommendation Total nitrogen input should be set when replacing chemical fertilizer with organic fertilizer to avoid yield loss.

“nitrogen use efficiency”

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