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“yield decrease”

2,653 matches

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plus 2 earlier · 1930s

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Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.

Taxon: potatoSolanum tuberosume0
Material: Kufri Shailja and Kufri Jyotie1
Treatment: increase in nitrogen level up to 225 kg N ha-1e1
Outcome: Tuber yielde1
Direction: increased significantlye1
Qualifier: further addition of N decreased yielde1

Not reportedComparatorValue

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e1
“Tuber yield of cultivars Kufri Shailja and Kufri Jyoti was increased significantly with increase in nitrogen level up to 225 kg N ha-1 and further addition of N decreased yield”
✓ located verbatim in the source · abstract, characters 477–653

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Foliar-applied salicylic acid significantly decreased oil stearic acid and α- and γ-tocopherols under non-saline and saline conditions.

Taxon: sunflowerHelianthus annuuse1
Treatment: foliar-applied SAe3
Outcome: oil stearic acid and α- and γ-tocopherolse3
Direction: decreasee3
Qualifier: non-saline and saline conditionse3

Not reportedComparator

Verbatim

e1
“Salt stress markedly reduced yield, oil content, linoleic acid and δ-tocopherol in both sunflower lines, while it increased linolenic acid, palmitic acid, stearic acid and α- and γ-tocopherols”
✓ located verbatim in the source · abstract, characters 573–765

e3
“Foliar-applied SA caused a significant decrease in oil stearic acid and α- and γ-tocopherols in both lines under non-saline and saline conditions”
✓ located verbatim in the source · abstract, characters 890–1035

Title

Modulation of salt (NaCl)‐induced effects on oil composition and fatty acid profile of sunflower (Helianthus annuus L.) by exogenous application of salicylic acid

Sibgha Noreen; Muhammad Ashraf Journal of the Science of Food and Agriculture 2010. doi:10.1002/jsfa.4129

Other claims from this paper (7)

Intervention effect Salt stress reduced achene yield, oil content and linoleic acid in sunflower.
Intervention effect Salt stress reduced δ-tocopherol in sunflower oil.
Intervention effect Salt stress increased linolenic, palmitic and stearic acids in sunflower oil.
Intervention effect Salt stress increased α- and γ-tocopherols in sunflower oil.
Intervention effect Foliar-applied salicylic acid improved achene yield and hundred-achene weight in both sunflower lines.
Intervention effect High doses of salicylic acid markedly increased achene oil content in sunflower.
Intervention effect Exogenous salicylic acid could alleviate the harmful effects of salt on sunflower achene yield and oil characteristics.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

At 700 and 1000 ppm CO2, potato leaf pWUE increased 89% and 147%.

Treatment: elevated [CO2] levels of 700 and 1000 ppme0
Outcome: pWUEe0
Direction: increasee0
Value: 89% and 147%e0

Not reportedTaxonComparator

Verbatim

e0
“Plants grown at elevated [CO2] levels of 700 and 1000 ppm showed a consistent significant increase in leaf level photosynthetic water use efficiency (pWUE) by stimulation in net photosynthesis rate (62% and 43% increase of An) with coincident decline in both stomatal conductance (21% and 43% decrease of gs) and leaf transpiration rate (19% and 40% decrease of E) resulting in pWUE increments of 89% and 147%.”
✓ located verbatim in the source · abstract, characters 487–897

Title

Gas-exchange, water use efficiency and yield responses of elite potato (Solanum tuberosum L.) cultivars to changes in atmospheric carbon dioxide concentration, temperature and relative humidity

Kacper Piotr Kaminski; Kirsten Kørup; Kåre Lehmann Nielsen; et al. Agricultural and Forest Meteorology 2013. doi:10.1016/j.agrformet.2013.12.001

Other claims from this paper (19)

Intervention effect Net photosynthesis rose 62% and 43% at 700 and 1000 ppm.
Intervention effect Stomatal conductance fell 21% and 43%.
Intervention effect Leaf transpiration fell 19% and 40%.
Observation Leaf ci/ca did not change among treatments in E1.
Intervention effect In E2, pWUE rose 28% across temperatures.
Intervention effect In E2, net photosynthesis rose 16%.
Intervention effect In E2, stomatal conductance fell 25%.
Intervention effect In E2, transpiration dropped without statistical significance.
Intervention effect In E2, ci/ca was significantly higher under elevated CO2.
Intervention effect Elevated CO2 stimulated aboveground and belowground biomass.
Intervention effect Elevated CO2 produced higher harvest indices.
Intervention effect Irrigation WUE rose 45% under elevated CO2.
Observation Ballerina showed the largest irrigation WUE increase.
Observation Ballerina had a six time increase in tuber yield.
Intervention effect At all temperatures WUE was significantly larger under high CO2.
Intervention effect At low temperature high CO2 increased net photosynthesis.
Intervention effect At high temperature high CO2 decreased transpiration and conductance.
Association Prolonged CO2 exposure had smaller WUE gains than stepwise exposure.
Observation Higher temperature may decrease the photosynthetic response to elevated CO2, and higher vapor pressure deficit will decrease WUE gain.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Phytochrome B plants had a significantly higher number of bolls than control cotton plants.

Taxon: cotton plantsGossypium hirsutume3
Treatment: Phytochrome B plantse3
Outcome: number of bollse3
Direction: increasee3
Comparator: control cotton plantse3

Verbatim

e3
“Phytochrome B plants have showed significant increase in number of bolls but significant decrease in height as compared to control cotton plants”
✓ located verbatim in the source · abstract, characters 894–1038

t0
“physiology of cotton plants”
✓ located verbatim in the source · title, characters 57–84

Title

Phytochrome B mRNA expression enhances biomass yield and physiology of cotton plants

Abdul Qayyum Rao; Allah Bakhsh; Idrees Ahmad Nasir; et al. AFRICAN JOURNAL OF BIOTECHNOLOGY 2011

Other claims from this paper (6)

Intervention effect Transgenic cotton expressing Phytochrome B mRNA more than doubled relative leaf growth rate and photosynthetic rate.
Intervention effect Transgenic cotton expressing Phytochrome B mRNA increased root weight ratio by more than one time.
Intervention effect Transgenic cotton expressing Phytochrome B mRNA increased stem weight ratio by nearly half.
Intervention effect Phytochrome B plants had a significantly lower height than control cotton plants.
Mechanism Higher relative leaf growth rate is proposed to lead to improved physiology of cotton plants.
Mechanism Higher relative leaf growth rate is proposed to have ultimate effects on cotton fruit size and number.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Applied nitrogen had a significant negative correlation with 1000-grain weight of rice.

Taxon: riceOryza sativae0
Treatment: Applied nitrogene3
Outcome: 1000-grain weighte3
Direction: decreaseinferrede3

Verbatim

e0
“The effects of cultivated factors on rice yield and agronomic traits in cold region were studied by quadratic general rotatory combination design”
✓ located verbatim in the source · abstract, characters 0–145

e3
“Applied nitrogen and 1000-grain weight was a significant negative correlation”
✓ located verbatim in the source · abstract, characters 303–380

Title

Effects of Cultivated Factors on Rice Group Structure in Cold Region

Ma Bo Heilongjiang nongye kexue 2011

Other claims from this paper (8)

Intervention effectobservedoriginal resultpositivesignificant (as stated)projected

Claim · model-written summary

Adaptation measures significantly mitigate negative climate effects on national wheat production by 2041–2060.

Taxon: wheatTriticum aestivumt0
Treatment: cropping adaptation measurese0
Outcome: national wheat productione0
Direction: mitigatione0
Qualifier: by 2041–2060e0

Not reportedComparator

Verbatim

t0
“wheat”
✓ located verbatim in the source · title, characters 11–16

e0
“Some cropping adaptation measures increase wheat yield per hectare and provide significant mitigation of the negative effects of climate change on national wheat production by 2041–2060”
✓ located verbatim in the source · abstract, characters 1082–1267

Title

Australian wheat production expected to decrease by the late 21st century

Bin Wang; De L. Liu; Garry J. O'Leary; et al. Global Change Biology 2017. doi:10.1111/gcb.14034

Other claims from this paper (7)

Observation Climatically suitable area for growing wheat tends to decrease.
Observation Wheat yield is projected to decline in the northeast Australian wheat belt.
Observation National wheat production is projected to decline.
Observation Future climate change may benefit wheat production in South Australia and Victoria.
Intervention effect Some adaptation measures increase wheat yield per hectare.
Observation Production is likely to decline under a high CO 2 emission scenario by 2081–2100 despite positive adaptation effects.
Recommendation The authors recommend additional adaptation strategies and investment in wheat production.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Onion P and Zn were significantly correlated (coefficient -0.792*).

Taxon: Allium cepa L.Allium cepae1
Compound: Pe0
Outcome: Zne0
Direction: decreaseinferrede0
Value: -0.792*e0

Verbatim

e0
“Significant correlation coefficients between P and Zn (-0.792*), Fe and Zn (+0.734*), Fe and Cu (-0.828*), Mn and Fe (-0.801*), and Mn and Cu (-0.809*) were recorded.”
✓ located verbatim in the source · abstract, characters 911–1077

e1
“onion yield (Allium cepa L.)”
✓ located verbatim in the source · abstract, characters 258–286

Title

RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS

Zaghalol T. Sliman; Mohamed A. Abdelhakim; Aly A. Omran Egyptian Journal of Agricultural Research 1999. doi:10.21608/ejar.1999.336498

Other claims from this paper (16)

Intervention effect Fe foliar treatment changed onion dry yield by 9.7% relative to control in the first growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 2.2% relative to control in the first growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 23.6% relative to control in the first growing season.
Intervention effect B foliar treatment changed onion dry yield by 11.5% relative to control in the first growing season.
Intervention effect Fe foliar treatment changed onion dry yield by 0.0% relative to control in the second growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 5.6% relative to control in the second growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 27.8% relative to control in the second growing season.
Intervention effect B foliar treatment changed onion dry yield by 18.5% relative to control in the second growing season.
Intervention effect ZnSO4 foliar application gave the highest onion dry yield.
Intervention effect Copper treatment slightly decreased onion yield without statistical significance.
Intervention effect Foliar sprays other than ZnSO4 did not increase onion micronutrient concentrations.
Intervention effect ZnSO4 spray increased onion Zn concentration and content to their highest levels.
Association Onion Fe and Zn were significantly correlated (coefficient +0.734*).
Association Onion Fe and Cu were significantly correlated (coefficient -0.828*).
Association Onion Mn and Fe were significantly correlated (coefficient -0.801*).
Association Onion Mn and Cu were significantly correlated (coefficient -0.809*).

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Onion Fe and Cu were significantly correlated (coefficient -0.828*).

Taxon: Allium cepa L.Allium cepae1
Compound: Fee0
Outcome: Cue0
Direction: decreaseinferrede0
Value: -0.828*e0

Verbatim

e0
“Significant correlation coefficients between P and Zn (-0.792*), Fe and Zn (+0.734*), Fe and Cu (-0.828*), Mn and Fe (-0.801*), and Mn and Cu (-0.809*) were recorded.”
✓ located verbatim in the source · abstract, characters 911–1077

e1
“onion yield (Allium cepa L.)”
✓ located verbatim in the source · abstract, characters 258–286

Title

RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS

Zaghalol T. Sliman; Mohamed A. Abdelhakim; Aly A. Omran Egyptian Journal of Agricultural Research 1999. doi:10.21608/ejar.1999.336498

Other claims from this paper (16)

Intervention effect Fe foliar treatment changed onion dry yield by 9.7% relative to control in the first growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 2.2% relative to control in the first growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 23.6% relative to control in the first growing season.
Intervention effect B foliar treatment changed onion dry yield by 11.5% relative to control in the first growing season.
Intervention effect Fe foliar treatment changed onion dry yield by 0.0% relative to control in the second growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 5.6% relative to control in the second growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 27.8% relative to control in the second growing season.
Intervention effect B foliar treatment changed onion dry yield by 18.5% relative to control in the second growing season.
Intervention effect ZnSO4 foliar application gave the highest onion dry yield.
Intervention effect Copper treatment slightly decreased onion yield without statistical significance.
Intervention effect Foliar sprays other than ZnSO4 did not increase onion micronutrient concentrations.
Intervention effect ZnSO4 spray increased onion Zn concentration and content to their highest levels.
Association Onion P and Zn were significantly correlated (coefficient -0.792*).
Association Onion Fe and Zn were significantly correlated (coefficient +0.734*).
Association Onion Mn and Fe were significantly correlated (coefficient -0.801*).
Association Onion Mn and Cu were significantly correlated (coefficient -0.809*).

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Onion Mn and Fe were significantly correlated (coefficient -0.801*).

Taxon: Allium cepa L.Allium cepae1
Compound: Mne0
Outcome: Fee0
Direction: decreaseinferrede0
Value: -0.801*e0

Verbatim

e0
“Significant correlation coefficients between P and Zn (-0.792*), Fe and Zn (+0.734*), Fe and Cu (-0.828*), Mn and Fe (-0.801*), and Mn and Cu (-0.809*) were recorded.”
✓ located verbatim in the source · abstract, characters 911–1077

e1
“onion yield (Allium cepa L.)”
✓ located verbatim in the source · abstract, characters 258–286

Title

RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS

Zaghalol T. Sliman; Mohamed A. Abdelhakim; Aly A. Omran Egyptian Journal of Agricultural Research 1999. doi:10.21608/ejar.1999.336498

Other claims from this paper (16)

Intervention effect Fe foliar treatment changed onion dry yield by 9.7% relative to control in the first growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 2.2% relative to control in the first growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 23.6% relative to control in the first growing season.
Intervention effect B foliar treatment changed onion dry yield by 11.5% relative to control in the first growing season.
Intervention effect Fe foliar treatment changed onion dry yield by 0.0% relative to control in the second growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 5.6% relative to control in the second growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 27.8% relative to control in the second growing season.
Intervention effect B foliar treatment changed onion dry yield by 18.5% relative to control in the second growing season.
Intervention effect ZnSO4 foliar application gave the highest onion dry yield.
Intervention effect Copper treatment slightly decreased onion yield without statistical significance.
Intervention effect Foliar sprays other than ZnSO4 did not increase onion micronutrient concentrations.
Intervention effect ZnSO4 spray increased onion Zn concentration and content to their highest levels.
Association Onion P and Zn were significantly correlated (coefficient -0.792*).
Association Onion Fe and Zn were significantly correlated (coefficient +0.734*).
Association Onion Fe and Cu were significantly correlated (coefficient -0.828*).
Association Onion Mn and Cu were significantly correlated (coefficient -0.809*).

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Onion Mn and Cu were significantly correlated (coefficient -0.809*).

Taxon: Allium cepa L.Allium cepae1
Compound: Mne0
Outcome: Cue0
Direction: decreaseinferrede0
Value: -0.809*e0

Verbatim

e0
“Significant correlation coefficients between P and Zn (-0.792*), Fe and Zn (+0.734*), Fe and Cu (-0.828*), Mn and Fe (-0.801*), and Mn and Cu (-0.809*) were recorded.”
✓ located verbatim in the source · abstract, characters 911–1077

e1
“onion yield (Allium cepa L.)”
✓ located verbatim in the source · abstract, characters 258–286

Title

RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS

Zaghalol T. Sliman; Mohamed A. Abdelhakim; Aly A. Omran Egyptian Journal of Agricultural Research 1999. doi:10.21608/ejar.1999.336498

Other claims from this paper (16)

Intervention effect Fe foliar treatment changed onion dry yield by 9.7% relative to control in the first growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 2.2% relative to control in the first growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 23.6% relative to control in the first growing season.
Intervention effect B foliar treatment changed onion dry yield by 11.5% relative to control in the first growing season.
Intervention effect Fe foliar treatment changed onion dry yield by 0.0% relative to control in the second growing season.
Intervention effect Mn foliar treatment changed onion dry yield by 5.6% relative to control in the second growing season.
Intervention effect Zn foliar treatment changed onion dry yield by 27.8% relative to control in the second growing season.
Intervention effect B foliar treatment changed onion dry yield by 18.5% relative to control in the second growing season.
Intervention effect ZnSO4 foliar application gave the highest onion dry yield.
Intervention effect Copper treatment slightly decreased onion yield without statistical significance.
Intervention effect Foliar sprays other than ZnSO4 did not increase onion micronutrient concentrations.
Intervention effect ZnSO4 spray increased onion Zn concentration and content to their highest levels.
Association Onion P and Zn were significantly correlated (coefficient -0.792*).
Association Onion Fe and Zn were significantly correlated (coefficient +0.734*).
Association Onion Fe and Cu were significantly correlated (coefficient -0.828*).
Association Onion Mn and Fe were significantly correlated (coefficient -0.801*).

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“yield decrease”

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