Search claims · PlantClaims

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Xichang had higher wheat SPAD and nitrogen use efficiency.

Taxon: wheatTriticum aestivumt0
Outcome: SPAD and nitrogen use efficiencye0
Direction: highere0
Setting: Xichange0

Verbatim

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

e0
“Xichang had higher SPAD and nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 104–155

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

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Water use efficiency was positively associated with nitrogen use efficiency across nine materials except French S. cereals.

Material: nine evolution materialse0
Outcome: nitrogen use efficiencye0
Direction: positively relatede0
Qualifier: excluding French S. cerealse0

Not reportedTaxon

Verbatim

e0
“The water use efficiency was positively related with nitrogen use efficiency across nine evolution materials excluding French S. cereals”
✓ located verbatim in the source · abstract, characters 308–444

Title

[Interrelationship between water use efficiency and nitrogen use efficiency of different wheat evolution materials].

Yangyang Li; Suiqi Zhang; Mingan Shao PubMed 2003

Other claims from this paper (2)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Irrigation increased nitrogen uptake efficiency and nitrogen use efficiency.

Taxon: sweet potatoIpomoea batatast0
Treatment: Irrigatione0
Outcome: nitrogen uptake efficiency and nitrogen use efficiencye0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Irrigation increased nitrogen uptake efficiency and nitrogen use efficiency. In the treatment”
✓ located verbatim in the source · abstract, characters 2206–2299

t0
“sweet potato”
✓ located verbatim in the source · title, characters 66–78

Title

Optimizing nitrogen and irrigation application for drip irrigated sweet potato with plastic film mulching in eastern China

Youliang Zhang; Yongqi Tang; Zhaohui Wang; et al. Agricultural Water Management 2024. doi:10.1016/j.agwat.2024.108997

Other claims from this paper (9)

Intervention effect The 180 kg hm −2 nitrogen treatment had lower soil water content than the 90 and 270 kg hm −2 treatments.
Intervention effect Increasing nitrogen application increased soil nitrogen content and residue at 0–40 cm.
Intervention effect The 180 kg hm −2 treatment had significantly lower soil nitrate-N residue than the 270 kg hm −2 treatment.
Intervention effect Sweet potato growth, tuber dry matter, large and medium tuber number and weight, and yield rose and then fell as nitrogen rates increased.
Intervention effect At 60 % soil wetting, tuber yield was higher with 180 kg hm −2 nitrogen than with 90 or 270 kg hm −2.
Intervention effect Moderate nitrogen improved tuber crude protein, starch, and soluble sugar content.
Intervention effect Under 60 % soil wetting, nitrogen use efficiency and uptake rose and then fell as nitrogen rates increased.
Intervention effect At 180 kg hm −2 nitrogen, 30 % and 60 % soil wetting had higher nitrogen use efficiency than no irrigation.
Recommendation The authors identify 180 kg/hm 2 nitrogen with 60 % soil wetting as suitable for local sweet potato cultivation.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen use efficiency increased gradually as nitrogen application decreased.

Taxon: RICEOryza sativat0
Treatment: reduction of nitrogen applicatione0
Outcome: nitrogen use efficiencye0
Direction: increasee0

Verbatim

e0
“there is a gradual increase in nitrogen use efficiency with reduction of nitrogen application”
✓ located verbatim in the source · abstract, characters 875–968

t0
“RICE”
✓ located verbatim in the source · title, characters 71–75

Title

EFFECT OF MICROBIAL FERTILIZER ON YIELD AND NITROGEN USE EFFICIENCY IN RICE

Zhang Yu-ping 2010

Other claims from this paper (7)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Onion had the highest nitrogen use efficiency ratio and physiological efficiency.

Taxon: OnionAllium cepae0
Outcome: nitrogen use efficiency ratio as well as physiological efficiencye0
Direction: higheste0

Verbatim

e0
“Onion had the highest nitrogen use efficiency ratio as well as physiological efficiency”
✓ located verbatim in the source · abstract, characters 579–666

Title

Fertilizer Nitrogen Uptake and Utilization Efficiency in Vegetables

B. R. V. Iyengar; T. N. Shivananda Journal of the Indian Society of Soil Science 1992

Other claims from this paper (9)

Observation Brinjal had the highest total nitrogen uptake among the six vegetables.
Observation Onion had the lowest total nitrogen uptake among the six vegetables.
Observation Tomato and onion relied more on fertilizer nitrogen.
Observation Brinjal, okra, French bean and chilli pepper absorbed more soil nitrogen.
Observation Brinjal had the highest average nitrogen uptake rate at 3.53 kg ha−1d−1.
Observation Chilli pepper had the lowest average nitrogen uptake rate at 0.6 kg ha−1 d−1.
Observation Chilli pepper recovered 13.9 per cent of fertilizer nitrogen.
Observation Brinjal recovered 44.7 per cent of fertilizer nitrogen.
Observation Brinjal had the highest agronomic efficiency.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen splitting improved nitrogen recovery and use efficiency.

Taxon: wheatTriticum aestivumt0
Treatment: Nitrogen splittinge0
Outcome: N recovery efficiency and N use efficiencye0
Direction: improvede0
Comparator: all nitrogen fertilizer sourcese0

Verbatim

e0
“Nitrogen splitting improved N recovery efficiency and N use efficiency over comparable all nitrogen fertilizer sources”
✓ located verbatim in the source · abstract, characters 1964–2082

t0
“WHEAT”
✓ located verbatim in the source · title, characters 58–63

Title

IMPACT OF SPLITTING SOME SOURCES OF NITROGEN FRTILIZER ON WHEAT PRODUCTIVITY AND NITROGEN USE EFFICIENCY

Abd El-Maksoud, Magdy; Khamis, Magdy; Abd Alla, Maha Journal of Productivity and Development 2011. doi:10.21608/jpd.2011.42426

Other claims from this paper (10)

Intervention effect Nitrogen sources did not significantly affect eight wheat traits.
Intervention effect Urea and ammonium nitrate did not differ significantly in spike and grain traits.
Intervention effect Ammonium nitrate improved nitrogen recovery efficiency.
Intervention effect Ammonium nitrate improved nitrogen use efficiency.
Intervention effect Three equal nitrogen doses were favorable over the other splitting treatments.
Intervention effect Nitrogen splitting did not significantly affect productive tillers, flag leaf area or thousand grain weight.
Intervention effect Three equal nitrogen doses gave the greatest recovery and use efficiency.
Association Nitrogen source and splitting interacted significantly for flag leaf area, spike traits, grain yield and carbohydrate percentage.
Intervention effect More splitting under ammonium nitrate produced superior grain yield, components and nitrogen use efficiency.
Recommendation The authors recommend three ammonium nitrate doses for maximum wheat yield and nitrogen use efficiency in drylands.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen use efficiency improved under the zeolite treatments.

Taxon: RiceOryza sativat0
Treatment: Zeolite applicatione1
Outcome: Nitrogen use efficiencye0
Direction: improvede0

Not reportedComparator

Verbatim

e0
“Nitrogen use efficiency was also improved.”
✓ located verbatim in the source · abstract, characters 1285–1327

e1
“Zeolite application also increased”
✓ located verbatim in the source · abstract, characters 1007–1041

t0
“Rice”
✓ located verbatim in the source · title, characters 34–38

Title

Effects of Zeolite Application on Rice Yield, Nitrogen Recovery, and Nitrogen Use Efficiency

M. Kavoosi Communications in Soil Science and Plant Analysis 2007. doi:10.1080/00103620601093652

Other claims from this paper (6)

Intervention effect The treatments significantly increased rice grain yield, straw yield and tiller number.
Intervention effect Every zeolite level with nitrogen significantly increased rice grain yield relative to nitrogen alone and control.
Intervention effect Zeolite significantly increased soil-available potassium.
Intervention effect Zeolite significantly increased potassium uptake by rice straw.
Observation Nitrogen alone gave the lowest apparent nitrogen recovery, at 40%.
Intervention effect Applying 8 or 16 tons of zeolite per hectare raised apparent nitrogen recovery to 65%.

Associationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Counting root nitrogen would raise estimated nitrogen-use efficiency.

Organ / stage: roote0
Outcome: N use efficiencye0
Direction: highere0

Not reportedTaxon

Verbatim

e0
“If the root N is also accounted, the N use efficiency will be higher than reported.”
✓ located verbatim in the source · abstract, characters 1117–1200

Title

Nitrogen use scenario in India

Ccs Haryana 2005

Other claims from this paper (3)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Silicon increased agronomic nitrogen-use efficiency and nitrogen recovery efficiency.

Taxon: riceOryza sativat0
Treatment: Sie0
Outcome: Agronomic N use efficiency and N recovery efficiencye0
Direction: highere0
Comparator: without Sie0

Verbatim

e0
“Agronomic N use efficiency and N recovery efficiency were higher with Si compared to without Si.”
✓ located verbatim in the source · abstract, characters 1174–1270

t0
“rice”
✓ located verbatim in the source · title, characters 72–76

t1
“rice”
✓ located verbatim in the source · title, characters 72–76

Title

Silicon enhances yield and nitrogen use efficiency of tropical low land rice

Sangita Mohanty; A. K. Nayak; C. K. Swain; et al. Agronomy Journal 2020. doi:10.1002/agj2.20087

Other claims from this paper (10)

Intervention effect Silicon increased rice crop growth rate at all nitrogen levels.
Intervention effect Silicon reduced flag leaf angle.
Intervention effect Silicon enhanced flag leaf nitrogen content.
Intervention effect Silicon increased leaf chlorophyll concentration at flowering.
Intervention effect Silicon increased single-leaf photosynthesis rate at flowering.
Intervention effect Nitrogen and silicon significantly affected panicle number and grain filling.
Intervention effect The 200 kg silicon dioxide and 100 kg nitrogen rates produced the highest panicle number, filled grains and yield.
Intervention effect Silicon raised rice yield by 8.2–16.9% relative to no silicon.
Intervention effect Nitrogen and silicon significantly affected nitrogen uptake and nitrogen-use efficiency.
Intervention effect The highest physiological nitrogen-use efficiency occurred at 200 kg silicon dioxide and 80 kg nitrogen.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Moderate potassium increased fertilizer nitrogen use efficiency.

Outcome: fertilizer nitrogen use efficiencye0
Direction: enhancede0

Not reportedTaxonTreatmentComparator

Verbatim

e0
“enhanced fertilizer nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 1344–1387

Title

EFFECTS OF POTASSIUM APPLICATION ON THE ACCUMULATED NITROGEN SOURCE AND YIELD OF PEANUT

Changxing Zhao Journal of Nuclear Agricultural Sciences 2013

Other claims from this paper (11)

Observation Nitrogen accumulated mainly in kernels across potassium treatments.
Association With more potassium, stem nitrogen content increased most among organs.
Association With more potassium, nut shell nitrogen content increased least.
Intervention effect Moderate potassium increased nitrogen content and 15N abundance across organs.
Intervention effect Potassium promoted uptake and use of three nitrogen sources, especially kernel biomass.
Observation Fertilizer nitrogen contributed 12.37%-13.10% of peanut uptake.
Observation Soil nitrogen contributed 38.29%-45.10% of peanut uptake.
Observation Atmospheric nitrogen contributed 42.53%-48.31% of peanut uptake.
Intervention effect Moderate potassium increased fertilizer nitrogen absorption ratio and nodule fixation ratio.
Intervention effect Moderate potassium reduced soil nitrogen uptake share.
Observation Excessive potassium weakened the influences of application.

“nitrogen use efficiency”

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