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“nitrogen use efficiency”

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Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

At 331 kg N x hm(-2), grafted cucumber had the highest WUE in autumn-winter cropping (36.9 kg x m(-3)).

Taxon: cucumberCucumis sativuse0
Material: grafted cucumbere0
Organ / stage: autumn-wintere0
Treatment: topdressing 331 kg N x hm(-2)e0
Outcome: WUEe0
Direction: higheste0
Value: 36.9 kg x m(-3)e0

Verbatim

e0
“The results showed that when topdressing 331 kg N x hm(-2), the water consumption of grafted cucumber was the highest, being 3350 m3 x hm(-2) and 2181 m3 x hm(-2) in winter-spring and autumn-winter cropping, so did the WUE, being 27.2 kg x m(-3) and 36.9 kg x m(-3), respectively.”
✓ located verbatim in the source · abstract, characters 270–550

Title

[Effects of graft and nitrogen supply level on water consumption and water use efficiency of solar greenhouse cucumber under traditional irrigation].

Xiao-yan Chen; Lu Wang; Yong-quan Wang; et al. PubMed 2008

Other claims from this paper (11)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

At 50% lower CRF and SCF application, summer maize yield differed less from that under CCF application.

Taxon: summer maizeZea mayse1
Treatment: applied amount of CRF and SCF was decreased by 50%e3
Outcome: yielde3
Direction: less differencee3
Comparator: CCF applicatione3
Setting: field experimente1

Verbatim

e1
“A field experiment with colophony-coated fertilizer (CRF) and sulfur-coated fertilizer (SCF) showed that under the same application rates of N, P and K, applying CRF and SCF increased the summer maize grain yield by 13.15% and 14.15%, respectively, compared to the application of common compound fertilizer CCF”
✓ located verbatim in the source · abstract, characters 0–310

e3
“when the applied amount of CRF and SCF was decreased by 50%, the yield had less difference with that under CCF application”
✓ located verbatim in the source · abstract, characters 433–555

Title

[Effects of controlled-release fertilizers on summer maize grain yield, field ammonia volatilization, and fertilizer nitrogen use efficiency].

Bin Zhao; Shu-Ting Dong; Kong-Jun Wang; et al. PubMed 2009

Other claims from this paper (9)

Intervention effect Colophony-coated fertilizer (CRF) increased summer maize grain yield by 13.15% compared with common compound fertilizer (CCF).
Intervention effect Sulfur-coated fertilizer (SCF) increased summer maize grain yield by 14.15% compared with common compound fertilizer (CCF).
Intervention effect At 25% lower CRF application, summer maize yield increased by 9.69%.
Intervention effect At 25% lower SCF application, summer maize yield increased by 10.04%.
Intervention effect Ammonia volatilization rate under CRF and SCF increased slowly compared with CCF.
Intervention effect The ammonia volatilization peak under CRF and SCF came 7 days later than under CCF.
Observation Total ammonia volatilization under CRF and SCF ranged from 0.78 to 4.43 kg N x hm(-2).
Intervention effect Total ammonia volatilization under CRF and SCF was 51.34%-91.34% lower than under CCF.
Intervention effect Fertilizer and agronomic nitrogen use efficiency under CRF and SCF were significantly higher than under CCF.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Raised beds increased net returns and benefit-cost ratio.

Taxon: green gramVigna radiata var. radiatae1
Treatment: raised bed method of plantinge2
Outcome: net returns ( 37.6 103/ha) and B:C ratio (3.9)e0
Direction: increasee2

Not reportedComparator

Verbatim

e0
“net returns ( 37.6 103/ha) and B:C ratio (3.9)”
✓ located verbatim in the source · abstract, characters 611–657

e1
“green gram ( Vigna radiata L.) cultivation”
✓ located verbatim in the source · abstract, characters 296–338

e2
“The raised bed method of planting was found superior as was evident from significant increase in growth and yield attributes, grain (0.93 t/ha) and stover yield (2.27 t/ha), irrigation water use efficiency (IWUE), nitrogen (N), phos- phorus (P) and potassium (K) uptake, net returns ( 37.6 103/ha) and B:C ratio (3.9)”
✓ located verbatim in the source · abstract, characters 340–657

Title

Response of saline water irrigated greengram (Vigna radiata) to land configuration, fertilizers and farm yard manure in Tapi command area of south Gujarat

RAM A. JAT; M.K. ARVADIA; BHUMIKA TANDEL; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v57i3.4631

Other claims from this paper (12)

Intervention effect Raised beds increased green gram growth and yield attributes.
Intervention effect Raised beds produced grain yield of 0.93 t/ha.
Intervention effect Raised beds produced stover yield of 2.27 t/ha.
Intervention effect Raised beds increased irrigation water use efficiency and N, P, and K uptake.
Intervention effect Raised beds decreased plant mortality.
Intervention effect Full recommended N and P increased growth, yield attributes, grain and stover yield, and water use efficiency compared with 75%.
Intervention effect Full recommended N and P increased NPK uptake and available soil NPK versus 75%.
Intervention effect Full recommended N and P increased net returns and B:C ratio versus 75%.
Intervention effect FYM at 5t/ha increased growth and yield attributes, grain and stover yield, and IWUE versus no FYM.
Intervention effect FYM at 5t/ha increased NPK uptake and available soil NPK versus no FYM.
Intervention effect FYM at 5t/ha increased net returns and B:C ratio versus no FYM.
Intervention effect FYM at 5t/ha decreased plant mortality versus no FYM.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Lint yield under the irrigation treatments was statistically at par with protective irrigation.

Taxon: Gossypium hirsutumGossypium hirsutumt0
Material: RCH 2e7
Treatment: irrigation at 0.6 IW/CPE, 0.8 IW/CPE, 1.0 IW/CPEe1
Outcome: lint yielde2
Direction: statistically at pare2
Value: 700-772 kg/hae2
Comparator: protective irrigatione1
Setting: Coimabtoree0

Verbatim

t0
“Bt cotton (Gossypium hirsutum)”
✓ located verbatim in the source · title, characters 99–129

e0
“A field experiment was conducted during 2006-08 in a mixed red and black calcareous soil at Coimabtore”
✓ located verbatim in the source · abstract, characters 0–102

e1
“irrigation levels (protective irrigation and irrigation at 0.6 IW/CPE, 0.8 IW/CPE, 1.0 IW/CPE) and N levels (control, 60 kg N/ha, 90 kg N/ha and 120 kg N/ha)”
✓ located verbatim in the source · abstract, characters 126–283

e2
“It was observed that the seed cotton (1 980-2 160 kg/ha) and lint yield (700-772 kg/ha) under different irrigation treatments were statistically at par with the protective irrigation but increased significantly due to nitrogen application”
✓ located verbatim in the source · abstract, characters 425–663

e7
“'RCH 2' Bt cotton (Gossypium hirsutum L.)”
✓ located verbatim in the source · abstract, characters 349–390

Title

Effect of irrigation and nitrogen on soil water dynamics, productivity and input-use efficiency of Bt cotton (Gossypium hirsutum) in a Vertic Ustropept.

K. K. Bandyopadhyay; A. H. Prakash; K. Sankaranarayanan; et al. The Indian Journal of Agricultural Sciences 2009

Other claims from this paper (9)

Intervention effect Seed cotton yield under the irrigation treatments was statistically at par with protective irrigation.
Intervention effect Seed cotton yield increased significantly with nitrogen application.
Intervention effect Lint yield increased significantly with nitrogen application.
Intervention effect Seed cotton and lint yield did not differ significantly among 60, 90 and 120 kg N/ha.
Intervention effect Water-use efficiency of cotton was significantly reduced with increasing irrigation level.
Intervention effect Nitrogen application increased water-use efficiency over the no-nitrogen control.
Intervention effect Water-use efficiency did not differ significantly among 60, 90 and 120 kg N/ha.
Intervention effect Partial factor productivity of nitrogen decreased significantly with increasing irrigation and nitrogen levels.
Recommendation The authors recommend growing the RCH2Bt cotton hybrid with protective irrigation and 60 kg N/ha for higher water- and nitrogen-use efficiency without significant yield reduction.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 40 kg N/ha increased residual soil available N after tobacco by 4.2%.

Taxon: tobaccoNicotiana tabacumt0
Treatment: Application of 40 kg N/hae3
Outcome: residual soil available Ne4
Direction: increaseinferrede4
Value: 4.2%e4
Comparator: 20 kg N/ha applicatione4

Verbatim

t0
“FCV tobacco (Nicotiana tabacum)”
✓ located verbatim in the source · title, characters 80–111

e3
“Application of 40 kg N/ha, being comparable with 60 kg N/ha, significantly increased mean yields of green leaf by 9.5, cured leaf by 8.0, bright leaf by 12.8, grade index by 8.1 and cured leaf production efficiency by 7.9%”
✓ located verbatim in the source · abstract, characters 861–1083

e4
“the lamina N and K uptake by 18.3 and 17.1%, respectively; the residual soil available N by 4.2% compared with those of 20 kg N/ha application”
✓ located verbatim in the source · abstract, characters 1085–1227

Title

Effect of conjunctive use of FYM and nitrogen on yield, quality and economic of FCV tobacco (Nicotiana tabacum)

S.V. KRISHNA REDDY; S. KASTURI KRISHNA; K. DEO SINGH; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v53i4.4869

Other claims from this paper (9)

Intervention effect Application of 40 kg N/ha significantly increased mean yields of green leaf, cured leaf and bright leaf of tobacco.
Intervention effect Application of 40 kg N/ha increased grade index and cured leaf production efficiency of tobacco.
Intervention effect Application of 40 kg N/ha increased lamina N and K uptake of tobacco.
Intervention effect Application of 40 kg N/ha gave the highest net returns of tobacco, Rs 23,590/ha.
Intervention effect Application of 40 kg N/ha gave the highest benefit : cost ratio of tobacco, 1.42.
Intervention effect Application of 40 kg N/ha gave the highest profitability of tobacco, Rs 174.74/ha/day.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha increased the concentration of total N and nicotine in tobacco cured leaf.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha decreased sugars and the sugar : nicotine ratio in tobacco cured leaf.
Recommendation Conjunctive application of 10 t/ha FYM and 50 kg N/ha is optimum for higher yields and better grade index of tobacco.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Stepwise regression found NUEg significantly influenced by sink potential per N and dry matter, grain yield per sink, LAI at heading, and LAI decrease to maturity.

Taxon: Conventional Indica Rice Cultivarst0
Organ / stage: heading stagee0
Outcome: NUEge0
Value: 0.7970.854e0
Qualifier: sink potential per unit N, sink potential per unit dry matter weight,grain yield per unit sink potential, LAI at heading stage and decrease of LAI from heading to mature stagee0

Not reportedDirection

Verbatim

e0
“NUEg was significantly influenced by sink potential per unit N, sink potential per unit dry matter weight,grain yield per unit sink potential, LAI at heading stage and decrease of LAI from heading to mature stage, and the determination coefficient ranged from 0.7970.854”
✓ located verbatim in the source · abstract, characters 2138–2408

t0
“Conventional Indica Rice Cultivars”
✓ located verbatim in the source · title, characters 77–111

Title

Main Index of Source and Sink in Nitrogen Use Efficiency for Grain Output in Conventional Indica Rice Cultivars

Dongwei GUI ACTA AGRONOMICA SINICA 2007

Other claims from this paper (18)

Observation The rice cultivar types differed widely in grain-output nitrogen use efficiency, ranging from A to F.
Observation Type A rice averaged 20.51 g grain g~(-1)N in 2001.
Observation Type B rice averaged 31.04 g grain g~(-1)N in 2001.
Observation Type C rice averaged 35.64 g grain g~(-1)N in 2001.
Observation Type D rice averaged 39.46 g grain g~(-1)N in 2001.
Observation Type E rice averaged 43.55 g grain g~(-1)N in 2001.
Observation Type F rice averaged 50.92 g grain g~(-1)N in 2001.
Observation Type A rice averaged 24.33 g grain g~(-1)N in 2002.
Observation Type B rice averaged 31.61 g grain g~(-1)N in 2002.
Observation Type C rice averaged 35.83 g grain g~(-1)N in 2002.
Observation Type D rice averaged 39.06 g grain g~(-1)N in 2002.
Observation Type E rice averaged 43.51 g grain g~(-1)N in 2002.
Observation Type F rice averaged 50.00 g grain g~(-1)N in 2002.
Association Higher NUEg cultivars had small LAI at heading and slow LAI decline during grain filling.
Association Higher NUEg cultivars had high net assimilation rate.
Association Higher NUEg cultivars had large sink potential.
Association Higher NUEg cultivars had high sink potential per leaf area, dry matter weight, and N at heading.
Association Path analysis showed stronger effects of sink potential per N, dry matter and grain yield per sink on NUEg than LAI measures.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Seed cotton yield under the irrigation treatments was statistically at par with protective irrigation.

Taxon: Gossypium hirsutumGossypium hirsutumt0
Material: RCH 2e7
Treatment: irrigation at 0.6 IW/CPE, 0.8 IW/CPE, 1.0 IW/CPEe1
Outcome: seed cottone2
Direction: statistically at pare2
Value: 1 980-2 160 kg/hae2
Comparator: protective irrigatione1
Setting: Coimabtoree0

Verbatim

t0
“Bt cotton (Gossypium hirsutum)”
✓ located verbatim in the source · title, characters 99–129

e0
“A field experiment was conducted during 2006-08 in a mixed red and black calcareous soil at Coimabtore”
✓ located verbatim in the source · abstract, characters 0–102

e1
“irrigation levels (protective irrigation and irrigation at 0.6 IW/CPE, 0.8 IW/CPE, 1.0 IW/CPE) and N levels (control, 60 kg N/ha, 90 kg N/ha and 120 kg N/ha)”
✓ located verbatim in the source · abstract, characters 126–283

e2
“It was observed that the seed cotton (1 980-2 160 kg/ha) and lint yield (700-772 kg/ha) under different irrigation treatments were statistically at par with the protective irrigation but increased significantly due to nitrogen application”
✓ located verbatim in the source · abstract, characters 425–663

e7
“'RCH 2' Bt cotton (Gossypium hirsutum L.)”
✓ located verbatim in the source · abstract, characters 349–390

Title

Effect of irrigation and nitrogen on soil water dynamics, productivity and input-use efficiency of Bt cotton (Gossypium hirsutum) in a Vertic Ustropept.

K. K. Bandyopadhyay; A. H. Prakash; K. Sankaranarayanan; et al. The Indian Journal of Agricultural Sciences 2009

Other claims from this paper (9)

Intervention effect Lint yield under the irrigation treatments was statistically at par with protective irrigation.
Intervention effect Seed cotton yield increased significantly with nitrogen application.
Intervention effect Lint yield increased significantly with nitrogen application.
Intervention effect Seed cotton and lint yield did not differ significantly among 60, 90 and 120 kg N/ha.
Intervention effect Water-use efficiency of cotton was significantly reduced with increasing irrigation level.
Intervention effect Nitrogen application increased water-use efficiency over the no-nitrogen control.
Intervention effect Water-use efficiency did not differ significantly among 60, 90 and 120 kg N/ha.
Intervention effect Partial factor productivity of nitrogen decreased significantly with increasing irrigation and nitrogen levels.
Recommendation The authors recommend growing the RCH2Bt cotton hybrid with protective irrigation and 60 kg N/ha for higher water- and nitrogen-use efficiency without significant yield reduction.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 40 kg N/ha increased lamina N and K uptake of tobacco.

Taxon: tobaccoNicotiana tabacumt0
Treatment: Application of 40 kg N/hae3
Outcome: lamina N and K uptakee4
Direction: increaseinferrede4
Value: 18.3 and 17.1%e4
Comparator: 20 kg N/ha applicatione4

Verbatim

t0
“FCV tobacco (Nicotiana tabacum)”
✓ located verbatim in the source · title, characters 80–111

e3
“Application of 40 kg N/ha, being comparable with 60 kg N/ha, significantly increased mean yields of green leaf by 9.5, cured leaf by 8.0, bright leaf by 12.8, grade index by 8.1 and cured leaf production efficiency by 7.9%”
✓ located verbatim in the source · abstract, characters 861–1083

e4
“the lamina N and K uptake by 18.3 and 17.1%, respectively; the residual soil available N by 4.2% compared with those of 20 kg N/ha application”
✓ located verbatim in the source · abstract, characters 1085–1227

Title

Effect of conjunctive use of FYM and nitrogen on yield, quality and economic of FCV tobacco (Nicotiana tabacum)

S.V. KRISHNA REDDY; S. KASTURI KRISHNA; K. DEO SINGH; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v53i4.4869

Other claims from this paper (9)

Intervention effect Application of 40 kg N/ha significantly increased mean yields of green leaf, cured leaf and bright leaf of tobacco.
Intervention effect Application of 40 kg N/ha increased grade index and cured leaf production efficiency of tobacco.
Intervention effect Application of 40 kg N/ha increased residual soil available N after tobacco by 4.2%.
Intervention effect Application of 40 kg N/ha gave the highest net returns of tobacco, Rs 23,590/ha.
Intervention effect Application of 40 kg N/ha gave the highest benefit : cost ratio of tobacco, 1.42.
Intervention effect Application of 40 kg N/ha gave the highest profitability of tobacco, Rs 174.74/ha/day.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha increased the concentration of total N and nicotine in tobacco cured leaf.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha decreased sugars and the sugar : nicotine ratio in tobacco cured leaf.
Recommendation Conjunctive application of 10 t/ha FYM and 50 kg N/ha is optimum for higher yields and better grade index of tobacco.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 40 kg N/ha gave the highest benefit : cost ratio of tobacco, 1.42.

Taxon: tobaccoNicotiana tabacumt0
Treatment: Application of 40 kg N/hae3
Outcome: benefit : cost ratioe5
Direction: higheste5
Value: 1.42e5
Comparator: 20 and 60 kg N/ha applicatione5

Verbatim

t0
“FCV tobacco (Nicotiana tabacum)”
✓ located verbatim in the source · title, characters 80–111

e3
“Application of 40 kg N/ha, being comparable with 60 kg N/ha, significantly increased mean yields of green leaf by 9.5, cured leaf by 8.0, bright leaf by 12.8, grade index by 8.1 and cured leaf production efficiency by 7.9%”
✓ located verbatim in the source · abstract, characters 861–1083

e5
“accrued highest net returns (Rs 23,590/ha), benefit : cost ratio (1.42) and profitability (Rs 174.74/ha/day) compared to those of 20 and 60 kg N/ha application”
✓ located verbatim in the source · abstract, characters 1238–1397

Title

Effect of conjunctive use of FYM and nitrogen on yield, quality and economic of FCV tobacco (Nicotiana tabacum)

S.V. KRISHNA REDDY; S. KASTURI KRISHNA; K. DEO SINGH; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v53i4.4869

Other claims from this paper (9)

Intervention effect Application of 40 kg N/ha significantly increased mean yields of green leaf, cured leaf and bright leaf of tobacco.
Intervention effect Application of 40 kg N/ha increased grade index and cured leaf production efficiency of tobacco.
Intervention effect Application of 40 kg N/ha increased lamina N and K uptake of tobacco.
Intervention effect Application of 40 kg N/ha increased residual soil available N after tobacco by 4.2%.
Intervention effect Application of 40 kg N/ha gave the highest net returns of tobacco, Rs 23,590/ha.
Intervention effect Application of 40 kg N/ha gave the highest profitability of tobacco, Rs 174.74/ha/day.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha increased the concentration of total N and nicotine in tobacco cured leaf.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha decreased sugars and the sugar : nicotine ratio in tobacco cured leaf.
Recommendation Conjunctive application of 10 t/ha FYM and 50 kg N/ha is optimum for higher yields and better grade index of tobacco.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Application of 40 kg N/ha gave the highest net returns of tobacco, Rs 23,590/ha.

Taxon: tobaccoNicotiana tabacumt0
Treatment: Application of 40 kg N/hae3
Outcome: net returnse5
Direction: higheste5
Value: Rs 23,590/hae5
Comparator: 20 and 60 kg N/ha applicatione5

Verbatim

t0
“FCV tobacco (Nicotiana tabacum)”
✓ located verbatim in the source · title, characters 80–111

e3
“Application of 40 kg N/ha, being comparable with 60 kg N/ha, significantly increased mean yields of green leaf by 9.5, cured leaf by 8.0, bright leaf by 12.8, grade index by 8.1 and cured leaf production efficiency by 7.9%”
✓ located verbatim in the source · abstract, characters 861–1083

e5
“accrued highest net returns (Rs 23,590/ha), benefit : cost ratio (1.42) and profitability (Rs 174.74/ha/day) compared to those of 20 and 60 kg N/ha application”
✓ located verbatim in the source · abstract, characters 1238–1397

Title

Effect of conjunctive use of FYM and nitrogen on yield, quality and economic of FCV tobacco (Nicotiana tabacum)

S.V. KRISHNA REDDY; S. KASTURI KRISHNA; K. DEO SINGH; et al. Indian Journal of Agronomy 2001. doi:10.59797/ija.v53i4.4869

Other claims from this paper (9)

Intervention effect Application of 40 kg N/ha significantly increased mean yields of green leaf, cured leaf and bright leaf of tobacco.
Intervention effect Application of 40 kg N/ha increased grade index and cured leaf production efficiency of tobacco.
Intervention effect Application of 40 kg N/ha increased lamina N and K uptake of tobacco.
Intervention effect Application of 40 kg N/ha increased residual soil available N after tobacco by 4.2%.
Intervention effect Application of 40 kg N/ha gave the highest benefit : cost ratio of tobacco, 1.42.
Intervention effect Application of 40 kg N/ha gave the highest profitability of tobacco, Rs 174.74/ha/day.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha increased the concentration of total N and nicotine in tobacco cured leaf.
Intervention effect Increasing N fertilizer from 20 to 60 kg N/ha decreased sugars and the sugar : nicotine ratio in tobacco cured leaf.
Recommendation Conjunctive application of 10 t/ha FYM and 50 kg N/ha is optimum for higher yields and better grade index of tobacco.

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“nitrogen use efficiency”

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