Search claims · PlantClaims

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher irrigation increased nitrogen use efficiency and assimilatory nitrogen use efficiency.

Taxon: Fraser Firt0
Treatment: Higher irrigation treatmentse0
Outcome: nitrogen use efficiency (NUE) and assimilatory nitrogen use efficiencye0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Higher irrigation treatments increased nitrogen use efficiency (NUE) and assimilatory nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 670–779

t0
“Fraser Fir”
✓ located verbatim in the source · title, characters 62–72

Title

Growth, Biomass, and Nitrogen Use Efficiency of Containerized Fraser Fir (Abies fraseri) as Related to Irrigation and Nitrogen Fertilization

Pascal Nzokou; Bert M. Cregg HortScience 2010. doi:10.21273/hortsci.45.6.946

Other claims from this paper (11)

Intervention effect Height growth increased by 12% to 35% with increased irrigation.
Intervention effect Stem diameter growth increased by 4% to 32% with increased irrigation.
Association Irrigation was inversely related to foliar nitrogen content.
Intervention effect Irrigation had no effect on foliar phosphorus, potassium, magnesium and manganese.
Intervention effect Irrigation increased foliar calcium.
Observation Approximately 2.0% to 4.5% of applied nitrogen was lost through leaching.
Mechanism High irrigation increased total biomass through greater root and stem biomass.
Mechanism Higher irrigation may raise nitrogen use efficiency through increased carbon assimilation and net primary productivity.
Intervention effect Irrigation had no clear effect on root weight ratio.
Intervention effect The lowest irrigation gave a higher index of nitrogen availability per unit foliage.
Mechanism Under water stress, nutrient supply to organs may buffer reduced assimilation and nitrogen use efficiency.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Optimized water and nitrogen supply improved nitrogen use efficiency, partial nitrogen production efficiency and water use efficiency.

Taxon: CucumberCucumis sativust0
Treatment: optimized water and nitrogen supplye0
Outcome: nitrogen use efficiency,partial nitrogen production efficiency,and the water use efficiencye0
Direction: improvede0

Not reportedComparator

Verbatim

t0
“Greenhouse Winter-spring Cucumber”
✓ located verbatim in the source · title, characters 100–133

e0
“optimized water and nitrogen supply improved nitrogen use efficiency,partial nitrogen production efficiency,and the water use efficiency”
✓ located verbatim in the source · abstract, characters 1542–1678

Title

Effects of Water and Nitrogen Supply on Dry Matter Accumulation,Nutrient Uptake and Distribution in Greenhouse Winter-spring Cucumber

Huijun Wu Acta Agriculturae Boreali-Sinica 2012

Other claims from this paper (17)

Observation Dry matter accumulation and nutrient uptake of cucumber had similar S-curve characteristics.
Observation The fruiting stage was the critical stage for dry matter accumulation and nutrient uptake.
Intervention effect Root dry matter was not significantly affected by the different water and nitrogen application patterns.
Intervention effect Dry matter of leaves, stems and fruits was affected by water and nitrogen application patterns during the fruiting stage.
Intervention effect Optimized water and nitrogen application rates improved dry matter accumulation and its ratio to total dry matter, especially in fruit.
Intervention effect Optimized water and nitrogen application rates decreased the root to shoot ratio.
Observation Cucumber absorbed 396 to 490 kg/ha N to attain a yield of 150 to 200 t/ha.
Observation Cucumber absorbed 93 to 127 kg/ha P.
Observation Cucumber absorbed 516 to 529 kg/ha K.
Observation Nutrient uptake followed the order K, N, P to attain a cucumber yield of 150 to 200 t/ha.
Observation The N:P:K ratio of nutrient uptake was 1:0.21:1.17 under optimized water and nitrogen application rates.
Intervention effect Nitrogen fertilization improved dry matter and nitrogen uptake of cucumber.
Intervention effect Reduced water supply improved dry matter and nitrogen uptake of cucumber.
Intervention effect Compared with conventional supply, optimized water and nitrogen application improved dry matter accumulation, nitrogen uptake and the ratio of nitrogen in fruit.
Intervention effect The ratios of P and K to N were increased by the optimized treatment.
Intervention effect The uptake of P and K was decreased by the optimized treatment.
Intervention effect Optimized water and nitrogen supply decreased luxury uptake of phosphorus and potassium.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Increased nitrogen accumulation enhanced agronomic and recovery nitrogen use efficiency.

Taxon: cottonGossypium hirsutumt0
Outcome: agronomic nitrogen use efficiency and recovery nitrogen use efficiencye0
Direction: enhancede0

Verbatim

e0
“enhanced agronomic nitrogen use efficiency and recovery nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 826–905

t0
“cotton”
✓ located verbatim in the source · title, characters 16–22

Title

Integrated soil-cotton management system enhances nitrogen use efficiency under different soil fertility levels

Xinyue Zhang; Hongkun Yang; Rizwan Zahoor; et al. Archives of Agronomy and Soil Science 2019. doi:10.1080/03650340.2019.1697874

Other claims from this paper (8)

Intervention effect Integrated management increased soil available nitrogen 9.5–21.2% in middle and later growth stages.
Intervention effect Integrated management improved average nitrogen accumulation rate 30.4–36.2%.
Intervention effect Integrated management improved maximum nitrogen accumulation rate 39.9–45.1%.
Intervention effect Integrated management postponed onset of rapid nitrogen accumulation by 3–6 days.
Intervention effect Integrated management raised final nitrogen accumulation 32.5–38.3%.
Observation Increased nitrogen accumulation improved leaf area index, leaf area duration, and boll number.
Recommendation Authors suggest omitting nitrogen fertilizer on more fertile soil under integrated management.
Observation Integrated management diminished the decline in nitrogen use efficiency.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Path analysis showed that total nitrogen affected nitrogen use efficiency more than nitrogen utilization efficiency did.

Taxon: EggplantsSolanum melongenat0
Compound: total nitrogene0
Outcome: nitrogen use efficiencye0
Direction: more importante0
Comparator: nitrogen utilization efficiencye0

Verbatim

e0
“the effect of total nitrogen on nitrogen use efficiency was more important than nitrogen utilization efficiency”
✓ located verbatim in the source · abstract, characters 1406–1517

t0
“Eggplants”
✓ located verbatim in the source · title, characters 50–59

Title

Genotypic Variation in Nitrogen Use Efficiency in Eggplants

Li XiaoFeng Acta Agriculturae Boreali-Sinica 2007

Other claims from this paper (3)

Associationobservedoriginal resultmeasured

Claim · model-written summary

The contribution of nitrogen utilization efficiency to nitrogen use efficiency depended on nitrogen rate.

Taxon: summer maizeZea mayse1
Treatment: nitrogen ratee0
Outcome: nitrogen use efficiencye0
Qualifier: nitrogen utilization efficiencye0

Not reportedDirection

Verbatim

e0
“The contribution to nitrogen use efficiency was given by nitrogen utilization efficiency rely on nitrogen rate”
✓ located verbatim in the source · abstract, characters 1391–1501

e1
“summer maize accurately”
✓ located verbatim in the source · abstract, characters 1367–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

Observation Grain yield varied significantly among maize varieties at all nitrogen rates.
Observation Biological yield varied significantly among varieties at all nitrogen rates.
Observation Harvest index, nitrogen efficiency and responsiveness also varied among genotypes.
Observation Tested varieties were classified into four nitrogen efficiency and responsiveness types.
Observation Hudan 4, Shanzi 1 and Yedan 19 were high-efficiency, high-response types.
Observation Zhongdan 2 and Yuyu 22 were low-efficiency, low-response types.
Observation Shandan16, Shandan 902 and Hudan 2000 were high-efficiency, low-response types.
Observation Shandan 9 and Nongda108 were low-efficiency, high-response types.
Association Nitrogen accumulation did not accurately reflect nitrogen use efficiency.
Method / resource Nitrogen index reflected nitrogen use efficiency at all nitrogen rates.

Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

Nitrogen use efficiency varied by cotton genotype and efficiency measure.

Taxon: cottonGossypium hirsutumt0
Material: genotypese0
Outcome: nitrogen use efficiencye0

Not reportedDirection

Verbatim

e0
“The nitrogen use efficiency varied with the genotypes and type of ef- ficiency calculated”
✓ located verbatim in the source · abstract, characters 785–874

t0
“cotton”
✓ located verbatim in the source · title, characters 27–33

Title

Nitrogen use efficiency by cotton varieties

Araújo, Érica De Oliveira; Camacho, Marcos Antonio; Vincensi, Marion Martins Revistas SARC 2019. doi:10.19084/rca.16275

Other claims from this paper (4)

Intervention effect Nitrogen application had a significant linear effect on cotton shoot dry matter production.
Intervention effect Nitrogen application had a significant linear effect on cotton nitrogen content.
Intervention effect Nitrogen application had a significant linear effect on cotton nitrogen concentration.
Intervention effect Higher nitrogen doses reduced nitrogen recovery by cotton.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen index reflected nitrogen use efficiency at all nitrogen rates.

Taxon: summer maizeZea mayse1
Outcome: nitrogen use efficiencye0

Not reportedComparatorValue

Verbatim

e0
“the nitrogen index can well reflected the nitrogen use efficiency whatever nitrogen application rate”
✓ located verbatim in the source · abstract, characters 1506–1606

e1
“summer maize accurately”
✓ located verbatim in the source · abstract, characters 1367–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen accumulation did not accurately reflect nitrogen use efficiency.

Taxon: summer maizeZea mayse0
Outcome: nitrogen use efficiencye0
Qualifier: nitrogen accumulatione0

Not reportedOrgan / stageDirection

Verbatim

e0
“the nitrogen accumulation couldn't reflect the nitrogen use efficiency in summer maize accurately”
✓ located verbatim in the source · abstract, characters 1293–1390

Title

Genotypic variation in nitrogen use efficiency in summer maize

Bingnian Zhai Plant Nutrition and Fertilizing Science 2006

Other claims from this paper (10)

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen use efficiency showed a positive relationship with nitrogen uptake efficiency.

Compound: nitrogen uptake efficiencye0
Outcome: Nitrogen use efficiencye0
Direction: positivee0

Not reportedTaxon

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)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chongqing and Renshou had the lowest wheat SPAD, light use efficiency, nitrogen use efficiency and grain yield.

Taxon: wheatTriticum aestivumt0
Outcome: SPAD, light use efficiency, nitrogen use efficiency and grain yielde0
Direction: loweste0
Setting: Chongqing and Renshoue0

Verbatim

t0
“wheat”
✓ located verbatim in the source · title, characters 105–110

e0
“Chongqing and Renshou had the lowest SPAD, light use efficiency, nitrogen use efficiency and grain yield”
✓ located verbatim in the source · abstract, characters 191–295

Title

[Effect of nitrogen management modes on grain yield, nitrogen use efficiency and light use efficiency of wheat].

Xiao Li Wu; Chao Su Li; Yong Lu Tang; et al. PubMed 2017. doi:10.13287/j.1001-9332.201706.008

Other claims from this paper (10)

Observation Guanghan had the highest wheat SPAD, CAP, PAR interception efficiency and grain yield among sites.
Observation Xichang had higher wheat SPAD and nitrogen use efficiency.
Observation Xichang had lower wheat CAP and PAR use efficiency.
Association Wheat biomass was significantly positively associated with grain yield, CPA and SPAD.
Association Wheat biomass was significantly positively associated with PAR interception efficiency.
Intervention effect Increasing nitrogen fertilizer promoted wheat yield at all sites.
Intervention effect Postponing nitrogen fertilizer could optimize wheat grain yield components.
Intervention effect Postponing nitrogen fertilizer could improve wheat nitrogen and light use efficiency.
Observation Nitrogen management effects depended on year and site.
Recommendation The authors recommend site-specific target nitrogen management for wheat.

“nitrogen use efficiency”

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