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Observationobservedoriginal resultmeasured

Claim · model-written summary

Mean nitrogen use efficiency was 47.0%.

Taxon: MaizeZea mayst0
Outcome: nitrogen use efficiencye6
Value: 47.0%e6

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 49–61

e6
“agronomic efficiency of nitrogen and nitrogen use efficiency were 9.1 kg and 47.0%,respectively”
✓ located verbatim in the source · abstract, characters 989–1084

Title

Effect of Nitrogen Fertilization Distribution on Summer Maize Yield,Net return and Nitrogen Use Efficiency

Li Li Shanxi nongye kexue 2010

Other claims from this paper (15)

Intervention effect The OPT3 nitrogen distribution (half N at V5-6 and half at jointing) gave the highest maize yield, at 10 102 kg/hm2.
Intervention effect The OPT3 nitrogen distribution gave the highest net return, at 15 319 yuan/hm2.
Intervention effect The distribution of nitrogen application had a significant effect on summer maize yield, net return and grain and stalk nitrogen content.
Intervention effect The distribution of nitrogen application had a significant effect on nitrogen uptake.
Intervention effect OPT3 increased maize yield by 23.4% relative to no nitrogen application.
Intervention effect OPT3 increased maize net return by 19.3% relative to no nitrogen application.
Intervention effect OPT1 nitrogen application at jointing gave a better maize yield, at 9 897 kg/hm2.
Intervention effect OPT1 nitrogen application at jointing gave a better maize net return, at 14 971 yuan/hm2.
Intervention effect OPT1 increased maize yield by 20.9% relative to no nitrogen application.
Intervention effect OPT1 increased maize net return by 16.6% relative to no nitrogen application.
Observation Mean agronomic efficiency of nitrogen was 9.1 kg.
Intervention effect OPT1 gave a lower nitrogen agronomic efficiency than OPT3, at 8.2 kg.
Intervention effect OPT1 gave a lower nitrogen use efficiency than OPT3, at 38.6%.
Recommendation The authors conclude that OPT3 is the optimum manner of nitrogen distribution.
Recommendation The authors state that OPT1 is also an option manner of nitrogen distribution.

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The improved nitrogen use efficiency of grafted watermelon could be attributed to better N uptake efficiency of wild rootstocks.

Taxon: watermelonCitrullus lanatuse3
Outcome: nitrogen use efficiencye3
Qualifier: better N uptake efficiencye3

Verbatim

e3
“this improved nitrogen use efficiency could be attributed to better N uptake efficiency of wild watermelon rootstocks”
✓ located verbatim in the source · abstract, characters 1454–1571

Title

Nitrogen Use Efficiency of Watermelon Grafted onto 10 Wild Watermelon Rootstocks under Low Nitrogen Conditions

Muhammad Azher Nawaz; Xiaojie Han; Chen Chen; et al. Agronomy 2018. doi:10.3390/agronomy8110259

Other claims from this paper (10)

Intervention effect Wild watermelon rootstocks substantially improved plant growth of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved photosynthesis rate, stomatal conductivity and intercellular CO2 concentration of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved transpiration rate, nitrogen uptake efficiency and nitrogen use efficiency of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved nitrogen utilization efficiency of watermelon.
Intervention effect NUE of watermelon grafted onto ZXG-945 was improved by up to 67% at optimum N supply.
Intervention effect NUE of watermelon grafted onto ZXG-1250 was improved by up to 77% at optimum N supply.
Intervention effect NUE of watermelon grafted onto ZXG-941 was improved by up to 168% at optimum N supply.
Intervention effect At low N supply, NUE of watermelon grafted onto ZXG-1558 was improved by up to 104%.
Intervention effect At low N supply, NUE of watermelon grafted onto ZXG-516 was improved by up to 175%.
Recommendation Grafting onto some wild rootstocks can improve nitrogen use efficiency of watermelon.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Grafting onto some wild rootstocks can improve nitrogen use efficiency of watermelon.

Taxon: watermelonCitrullus lanatuse4
Treatment: grafting onto some wild rootstockse4
Outcome: nitrogen use efficiencye4

Verbatim

e4
“In conclusion, grafting onto some wild rootstocks can improve nitrogen use efficiency of watermelon”
✓ located verbatim in the source · abstract, characters 1349–1448

Title

Nitrogen Use Efficiency of Watermelon Grafted onto 10 Wild Watermelon Rootstocks under Low Nitrogen Conditions

Muhammad Azher Nawaz; Xiaojie Han; Chen Chen; et al. Agronomy 2018. doi:10.3390/agronomy8110259

Other claims from this paper (10)

Intervention effect Wild watermelon rootstocks substantially improved plant growth of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved photosynthesis rate, stomatal conductivity and intercellular CO2 concentration of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved transpiration rate, nitrogen uptake efficiency and nitrogen use efficiency of watermelon.
Intervention effect Wild watermelon rootstocks substantially improved nitrogen utilization efficiency of watermelon.
Intervention effect NUE of watermelon grafted onto ZXG-945 was improved by up to 67% at optimum N supply.
Intervention effect NUE of watermelon grafted onto ZXG-1250 was improved by up to 77% at optimum N supply.
Intervention effect NUE of watermelon grafted onto ZXG-941 was improved by up to 168% at optimum N supply.
Intervention effect At low N supply, NUE of watermelon grafted onto ZXG-1558 was improved by up to 104%.
Intervention effect At low N supply, NUE of watermelon grafted onto ZXG-516 was improved by up to 175%.
Mechanism The improved nitrogen use efficiency of grafted watermelon could be attributed to better N uptake efficiency of wild rootstocks.

Associationauthor interpretationreview summarypositivebasis n/a

Claim · model-written summary

Improved nitrogen use efficiency has the potential to enhance crop yield under low nitrogen supply.

Taxon: Cropst0
Treatment: Improved nitrogen use efficiencye0
Outcome: yielde0
Direction: enhancee0

Verbatim

t0
“Nitrogen Use Efficiency in Crops”
✓ located verbatim in the source · title, characters 68–100

e0
“Improved nitrogen use efficiency (NUE: capacity to produce a supplement of yield for each added unit of N fertilizer) has the potential to enhance yield under low nitrogen (N)”
✓ located verbatim in the source · abstract, characters 8–183

Title

From Agronomy and Ecophysiology to Molecular Genetics for Improving Nitrogen Use Efficiency in Crops

Bertrand Hirel; Gilles Lemaire Journal of Crop Improvement 2006. doi:10.1300/j411v15n02_07

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors state the fertilizer use efficiency predictions could help manage nitrogen and phosphorus fertilizer use and avoid nitrogen leaching in lettuce culture.

Taxon: lettuceLactuca sativae0
Outcome: fertilizer use efficiencye0

Verbatim

e0
“we could predicted fertilizer use efficiency that help to agricultural practice management until nitrogen and phosphorous fertilizers used suitable and avoid leaching of nitrogen in lettuce culture”
✓ located verbatim in the source · abstract, characters 1501–1698

Title

Effect of nitrogen and phosphorous rates on fertilizer use efficiency in lettuce and spinach

Mahdi Sadeghi Pour Marvi Journal of Horticulture and Forestry 2014. doi:10.5897/jhf.9000034

Other claims from this paper (2)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors propose omeprazole and its targets as a method for enhancing plant nitrogen use efficiency.

Taxon: CornZea mays subsp. mayst0
Treatment: Omeprazolee0
Outcome: enhancing nitrogen use efficiencye0

Verbatim

e0
“Omeprazole and its targets represent a novel method for enhancing nitrogen use efficiency in plants.”
✓ located verbatim in the source · abstract, characters 745–845

t0
“Corn”
✓ located verbatim in the source · title, characters 108–112

Title

Omeprazole Treatment Enhances Nitrogen Use Efficiency Through Increased Nitrogen Uptake and Assimilation in Corn

Michael James Van Oosten; Emilia Dell’Aversana; Alessandra Ruggiero; et al. Frontiers in Plant Science 2019. doi:10.3389/fpls.2019.01507

Other claims from this paper (7)

Intervention effect Omeprazole treatment improves nitrogen uptake in hydroponically grown maize.
Intervention effect Omeprazole treatment improves nitrogen assimilation in hydroponically grown maize.
Intervention effect Micromolar omeprazole in nutrient solution alleviates chlorosis induced by low nitrogen availability.
Intervention effect Micromolar omeprazole in nutrient solution alleviates growth inhibition induced by low nitrogen availability.
Intervention effect Omeprazole enhances nitrate uptake in treated plants.
Intervention effect Omeprazole enhances nitrate assimilation in treated plants.
Mechanism Omeprazole enhances nitrate assimilation through interaction with nitrate reductase and changes to its activation state and nitrate affinity.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Understanding the nitrogen cycle and nutrient use efficiency is important to reduce N problems globally.

Outcome: understanding of nitrogen cycle and nutrient use efficiencye7

Not reportedTaxon

Verbatim

e7
“understanding of nitrogen cycle and nutrient use efficiency is important”
✓ located verbatim in the source · abstract, characters 1590–1662

Title

Key to Life, Risks and Cycle of Nitrogen

Desta Abayechaw; Wondimkun Dikr Cross Current International Journal of Agriculture and Veterinary Sciences 2023. doi:10.36344/ccijavs.2023.v05i04.002

Other claims from this paper (6)

Associationauthor interpretationreview summarybasis n/a

Claim · model-written summary

Irrigation practices co-determine water use efficiency (WUE) and nitrogen use efficiency (NUE) in cotton.

Taxon: cottonGossypium hirsutumt0
Treatment: irrigation practicese4
Outcome: water use efficiency (WUE), nitrogen use efficiency (NUE)e5
Direction: co-determininge5

Verbatim

e4
“We systematically examine how irrigation practices regulate carbon assimilation and soil organic carbon dynamics while simultaneously controlling nitrogen transformations and losses”
✓ located verbatim in the source · abstract, characters 628–809

e5
“thereby co-determining water use efficiency (WUE), nitrogen use efficiency (NUE), greenhouse gas emissions, and nitrate leaching”
✓ located verbatim in the source · abstract, characters 811–939

t0
“cotton agroecosystems”
✓ located verbatim in the source · title, characters 35–56

Title

The water-carbon-nitrogen nexus in cotton agroecosystems: A lever for achieving water sustainability and enhanced ecosystem services

Xianlin Zhou; Fei Cao; Qiang Dong; et al. Journal of Agriculture and Food Research 2026. doi:10.1016/j.jafr.2026.102878

Other claims from this paper (4)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

NFE was considered a more useful index for evaluating nitrogen use efficiency.

Taxon: wheatTriticum aestivumt0
Outcome: more useful in evaluating nitrogen use efficiencye0
Qualifier: NFEe1

Verbatim

e0
“which indicated that it should be more useful in evaluating nitrogen use efficiency.”
✓ located verbatim in the source · abstract, characters 612–696

e1
“NFE, as an integrated index”
✓ located verbatim in the source · abstract, characters 432–459

t0
“wheat varieties”
✓ located verbatim in the source · title, characters 89–104

Title

[Nitrogen use efficiency and its relationship with nitrogen nutrition characteristics of wheat varieties].

Chuanfan Sun; Tingbo Dai; Qi Jing; et al. PubMed 2004

Other claims from this paper (5)

Association Genotype significantly affected nitrogen use efficiency.
Association Environment had less effect on NRE and NFE.
Association Genotype-by-environment interaction significantly influenced all nitrogen nutrition traits.
Association NFE correlated significantly with NRE, NPP and NPS.
Mechanism Increasing nitrogen assimilation and translocation after anthesis could improve NFE and nitrogen utilization.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend nitrogen harvest index as a selection criterion for improved nitrogen use efficiency.

Taxon: bread wheatTriticum aestivumt0
Outcome: selection criterion for nitrogen use efficiency improvemente0

Verbatim

e0
“It can be recommended as a selection criterion for nitrogen use efficiency improvement”
✓ located verbatim in the source · abstract, characters 195–281

t0
“bread wheat”
✓ located verbatim in the source · title, characters 26–37

Title

Phenotypic variability of bread wheat genotypes for nitrogen harvest index

Biljana Gorjanovic; Milka Brdar-Jokanovic; Marija Kraljevic-Balalic Genetika 2011. doi:10.2298/gensr1102419g

Other claims from this paper (7)

Association Year by genotype interaction, year and genotype influenced nitrogen harvest index most; nitrogen rate contributed least.
Intervention effect Increasing nitrogen doses did not increase nitrogen harvest index.
Observation Nitrogen harvest index was highest in 2004/05 and lowest in 2006/07.
Observation Pobeda at N0 had a highest nitrogen harvest index of 0.93.
Observation Zlatka at N100 had a highest nitrogen harvest index of 0.93.
Observation Tamaro at N0 had the lowest nitrogen harvest index, 0.63.
Observation Across nitrogen levels, Pobeda and Renan ranked highest and Tamaro lowest for harvest index.

“nitrogen use efficiency”

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