Search claims · PlantClaims

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 resultpositivesignificant (as stated)measured

Claim · model-written summary

Biochar significantly increased field N use efficiency indices.

Taxon: maizeZea mayst0
Treatment: BCe0
Outcome: field N use efficiencye0
Direction: increasee0
Qualifier: N accumulation, N fertilizer use efficiency, N fertilizer agronomic efficiency and N fertilizer partial productivitye0

Not reportedComparator

Verbatim

e0
“BC increase significantly field N use efficiency (N accumulation, N fertilizer use efficiency, N fertilizer agronomic efficiency and N fertilizer partial productivity)”
✓ located verbatim in the source · abstract, characters 981–1148

t0
“MAIZE”
✓ located verbatim in the source · title, characters 41–46

Title

CAN BIOCHAR FULFILL THE NITROGEN NEED OF MAIZE UNDER REDUCED NITROGEN INPUT?

Yingjie Dai; Lu Liu; Zhihua Liu; et al. Environmental Engineering and Management Journal 2022. doi:10.30638/eemj.2022.161

Other claims from this paper (3)

Observation N2B1 soil nitrogen forms matched farmer nitrogen application at jointing.
Intervention effect N2B1 increased maize yield by 4.33% against N1.
Recommendation The authors conclude biochar meets maize N needs under reduced N input.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Azospirillum strains remarkably increased N use efficiency, N uptake and N utilization in potato.

Taxon: potatoSolanum tuberosumt0
Outcome: N use efficiency, N uptake and N utilizatione1
Direction: increasese1

Verbatim

t0
“Nitrogen Use Efficiency of Potato”
✓ located verbatim in the source · title, characters 86–119

e1
“there were remarkable increases in N use efficiency, N uptake and N utilization levels”
✓ located verbatim in the source · abstract, characters 1551–1637

Title

Inoculation With Azospirillum spp. Acts as the Liming Source for Improving Growth and Nitrogen Use Efficiency of Potato

Tahir Naqqash; Kauser Abdullah Malik; Asma Imran; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.929114

Other claims from this paper (10)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 100 kg N ha−1 gave the highest N-use efficiency and N utilization efficiency in maize.

Taxon: maizeZea mayse1
Treatment: Application of N (100 kg ha−1)e4
Outcome: N-use efficiency and N utilization efficiencye4
Direction: higheste4

Not reportedComparator

Verbatim

e1
“N utilization efficiency in maize was evaluated”
✓ located verbatim in the source · abstract, characters 172–219

e4
“Application of N (100 kg ha−1) gave the highest N-use efficiency and N utilization efficiency”
✓ located verbatim in the source · abstract, characters 821–914

Title

Deciphering of Microbes × Nitrogen source fertilizers Interaction for improving nitrogen use efficiency in spring maize

Kamran Azeem; Inamullah; Farah Naz; et al. Journal of King Saud University - Science 2023. doi:10.1016/j.jksus.2023.102633

Other claims from this paper (4)

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Water use efficiency, agronomic N use efficiency and N fertilizer recovery efficiency first increased then decreased with increasing N rates, peaking under the N M treatment.

Taxon: winter wheatTriticum aestivume0
Treatment: increasing N fertilizer ratese1
Outcome: water use efficiency (WUE), agronomic N fertilizer use efficiency (aNUE), and N fertilizer recovery efficiency (NRE)e1
Direction: increasing-decreasing trendse1
Qualifier: highest values under the N M treatment scenarioe1

Not reportedComparator

Verbatim

e0
“economic benefits of winter wheat”
✓ located verbatim in the source · abstract, characters 555–588

e1
“the water use efficiency (WUE), agronomic N fertilizer use efficiency (aNUE), and N fertilizer recovery efficiency (NRE) showed increasing-decreasing trends with increasing N fertilizer rates, reaching the highest values under the N M treatment scenario”
✓ located verbatim in the source · abstract, characters 1376–1629

Title

Optimization of water and nitrogen management in wheat cultivation affected by biochar application − Insights into resource utilization and economic benefits

Pengyan Zhang; Maodong Wang; Lianyu Yu; et al. Agricultural Water Management 2024. doi:10.1016/j.agwat.2024.109093

Other claims from this paper (8)

Intervention effect Aboveground dry matter, yield and net ecosystem economic budget of winter wheat showed increasing trends with increasing N application rates.
Intervention effect Aboveground dry matter, yield and net ecosystem economic budget did not differ significantly between the N H and N M treatments.
Intervention effect Biochar addition significantly increased winter wheat yield and water use efficiency.
Intervention effect The I 80 deficit irrigation treatment gave higher water use efficiency than I 100, by 5.63%.
Intervention effect The I 80 deficit irrigation treatment gave higher irrigation water use efficiency than I 100, by 13.52%.
Recommendation The combined I 80 B 1 N M treatment was the optimal winter wheat management practice by TOPSIS, maintaining high productivity while improving resource use efficiency and economic benefits.
Intervention effect Biochar reduced irrigation deficit-induced yield loss in winter wheat.
Intervention effect Reduced nitrogen improved resource utilization of winter wheat without significantly reducing yield.

Observationobservedoriginal resultmeasured

Claim · model-written summary

N use efficiency patterns differed from P use efficiency patterns across soils.

Taxon: maizeZea mayst0
Outcome: Patterns of N use efficienciese0
Comparator: P use efficienciese0

Verbatim

e0
“Patterns of N use efficiencies were different from P use efficiencies across soil types”
✓ located verbatim in the source · abstract, characters 1973–2060

t0
“maize”
✓ located verbatim in the source · title, characters 65–70

Title

Fertiliser use efficiency, production risks and profitability of maize on smallholder farms in East Africa

Abednego Kiwia; David Kimani; Rebbie Harawa; et al. Experimental Agriculture 2022. doi:10.1017/s001447972200014x

Other claims from this paper (15)

Association Production risks and nutrient use efficiency varied significantly with season and soil type.
Intervention effect Recommended N and P fertilizers lowered production risks at most sites except Uganda.
Intervention effect On Lixisols and Ferralsols, N and P fertilizer raised production risks three to fourfold.
Observation Fertilizer production risks were much lower on five other soil types.
Observation With recommended rates, probability of exceeding 3 t ha −1 was over 0.60 on Nitisols and Leptosols.
Observation That probability was under 0.20 on Lixisols and Plinthosols.
Observation N and P use efficiencies and value cost ratios were highest on Cambisols and lowest on Plinthosols.
Association Value cost ratio increased linearly with N agronomic efficiency.
Association Value cost ratio increased with P agronomic efficiency.
Association Value cost ratio related less strongly to grain yield.
Observation Long-term fertilizer profit occurred in 30% of Ugandan site-season combinations.
Observation Long-term fertilizer profit occurred in 69% of Kenyan site-season combinations.
Observation Long-term fertilizer profit occurred in 81% of Rwandan site-season combinations.
Observation Long-term fertilizer profit occurred in 84% of Tanzanian site-season combinations.
Recommendation The authors recommend targeting N and P fertilizers to soils where maize uses nutrients efficiently.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing N rate decreased N use efficiency.

Taxon: riceOryza sativae0
Treatment: N ratee1
Outcome: N use efficiency (NUE)e1
Direction: decreasede1

Verbatim

e0
“response of rice to different rates”
✓ located verbatim in the source · abstract, characters 274–309

e1
“Increasing N rate decreased N use efficiency (NUE)”
✓ located verbatim in the source · abstract, characters 1757–1807

Title

Nitrogen fertiliser and establishment method affect growth, yield and nitrogen use efficiency of rice under alternate wetting and drying irrigation

Raquel Santiago‐Arenas; Buyung A. Fanshuri; Sholih N. Hadi; et al. Annals of Applied Biology 2020. doi:10.1111/aab.12585

Other claims from this paper (8)

Intervention effect RD57 exceeded Pathumthani 1 in shoot dry matter, panicle number, and grain yield.
Intervention effect RD57 exceeded Pathumthani 1 in total N uptake and apparent N recovery efficiency.
Intervention effect Transplanting performed better than wet and dry direct seeding.
Intervention effect N 120 gave better growth, yield, yield components, and total N uptake.
Intervention effect Two N applications gave overall better results for RD57.
Intervention effect Three N applications gave overall better results for Pathumthani 1.
Recommendation The authors recommend the two-application schedule for RD57.
Recommendation The authors recommend the three-application schedule for Pathumthani 1.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N100% had the highest dry matter, N uptake and N use efficiency.

Taxon: riceOryza sativae0
Treatment: N100%e0
Outcome: dry matter, N uptake, N use efficiencye0
Direction: higheste0

Not reportedComparator

Verbatim

e0
“N100% yielded the highest dry matter, N uptake, N use efficiency, and rice yield.”
✓ located verbatim in the source · abstract, characters 905–986

Title

Green Manuring Enhances Nitrogen Use Efficiency of Rice and Soil Nutrient Contents of Paddy Soil

Thidar Hlaing; Kyi Moe; Ei Han Kyaw; et al. Asian Research Journal of Current Science 2025. doi:10.56557/arjocs/2025/v7i1151

Other claims from this paper (6)

Intervention effect N100% had the highest rice yield.
Observation GSH performed best among green manure treatments.
Intervention effect GSH with N100% achieved the highest N use efficiency and rice yield.
Intervention effect GSH with N75% produced greater dry matter and higher N uptake, N use efficiency and yields than alternative N75% and N100% combinations or inorganic nitrogen alone.
Observation Total N, available phosphorus and potassium, and organic carbon in soil increased over two years.
Recommendation The authors conclude that GSH with 75% recommended N can reduce inorganic fertilizer by 25% without compromising rice yield.

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Excessive N input reduced N use efficiency.

Taxon: red pepperCapsicum annuum var. annuume0
Treatment: excessive N inpute1
Outcome: N use efficiencye1
Direction: reducese1

Verbatim

e0
“red pepper (Capsicum annuum L.) fields”
✓ located verbatim in the source · abstract, characters 442–480

e1
“excessive N input reduces N use efficiency”
✓ located verbatim in the source · abstract, characters 1114–1156

Title

Evaluation of nitrogen dynamics under different nitrogen application levels in red pepper fields

Yunsik Shin; Jong-Mun Lee; Hye-Ran Park; et al. Korean Journal of Soil Science and Fertilizer 2025. doi:10.7745/kjssf.2025.58.4.510

Other claims from this paper (7)

Association Ammonia emissions ranged from 0.97 to 17.56 kg per hectare and increased with nitrogen input.
Association Nitrous oxide emissions ranged from 0.69 to 9.92 kg per hectare and increased with nitrogen input.
Intervention effect The 228 kg N ha -1 treatment had the highest crop N uptake, 262.9 kg N ha -1.
Intervention effect The 228 kg N ha -1 treatment had the lowest total N loss, 29.5 kg N ha -1.
Intervention effect N uptake decreased by 21.5% with 342 kg N ha -1.
Intervention effect N uptake decreased by 46.6% with 456 kg N ha -1.
Intervention effect Nitrogen losses to atmosphere and water increased more than twofold under the 342 and 456 kg N ha -1 treatments.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Radiation use efficiency and water use efficiency increased with N fertilization.

Taxon: RosemarySalvia rosmarinuse1
Treatment: nitrogen (N) fertilization levelse2
Outcome: Radiation use efficiency (RUE), water use efficiency (WUE)e0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Radiation use efficiency (RUE), water use efficiency (WUE), agronomic efficiency (AE), and partial factor productivity (PFP) also increased”
✓ located verbatim in the source · abstract, characters 892–1031

e1
“Rosemary (Salvia rosmarinus L.)”
✓ located verbatim in the source · abstract, characters 0–31

e2
“four nitrogen (N) fertilization levels”
✓ located verbatim in the source · abstract, characters 162–200

Title

Impact of Nitrogen Fertilization on Rosemary: Assessment of Physiological Traits, Vegetation Indices, and Environmental Resource Use Efficiency

Christos A. Dordas Nitrogen 2025. doi:10.3390/nitrogen6020033

Other claims from this paper (10)

Intervention effect Plant height and leaf area index increased with N application.
Intervention effect Chlorophyll content increased by an average of 32% compared with the control with N fertilization.
Intervention effect Photosynthetic efficiency increased by an average of 17% compared with the control with N fertilization.
Intervention effect Assimilation rates increased by an average of 55% compared with the control with N fertilization.
Intervention effect Biomass production rose by 32% in 2022 with N fertilization.
Intervention effect Biomass production rose by 58% in 2023 with N fertilization.
Intervention effect Essential oil concentration and essential oil yield were enhanced by N application.
Intervention effect Agronomic efficiency and partial factor productivity increased with N fertilization.
Intervention effect Higher N rates consistently enhanced vegetation indices.
Recommendation The authors conclude the optimal N range balances biomass yield and essential oil yield while maximizing environmental resource use efficiency.

“N use efficiency”

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