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“yield decrease”

19,998 matches

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plus 31 earlier · 1910s–1940s

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Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Across cultivars, salinity-driven seedling leaf-area reduction correlated strongly with field yield decrease (r = 0.99).

Taxon: MuskmelonCucumis melot0
Organ / stage: seedlinge0
Treatment: salinitye0
Outcome: decrease in yielde0
Direction: decreasee0
Value: r = 0.99e0
Setting: field culturee0

Verbatim

e0
“For all cultivars, a highly significant correlation ( r = 0.99) was established between the influence of salinity on seedling leaf area reduction and on decrease in yield during field culture.”
✓ located verbatim in the source · abstract, characters 854–1046

t0
“Muskmelon Cultivars”
✓ located verbatim in the source · title, characters 90–109

Title

Relationship between the Effects of Salinity on Seedling Leaf Area and Fruit Yield of Six Muskmelon Cultivars

José A. Franco; Juan A. Fernández; Sebastián Bañón; et al. HortScience 1997. doi:10.21273/hortsci.32.4.642

Other claims from this paper (7)

Observation Melina was the most salt-tolerant cultivar at seedling and field stages.
Intervention effect At 7.5 dS·m -1 salinity, Melina relative seedling leaf area was 60% of control.
Intervention effect At 7.5 dS·m -1 salinity, Melina relative yield was 66% of control.
Observation Delada was most sensitive to the highest salinity at seedling and field stages.
Intervention effect Delada relative seedling leaf area was 51% of control at the highest salinity.
Intervention effect Delada relative yield was 56% of control at the highest salinity.
Recommendation The authors propose seedling leaf-area reduction as a rapid screening criterion for muskmelon salt tolerance.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Verticillium disease led to a 7.86% decrease in seed cotton yield.

Taxon: cottonGossypium hirsutumt0
Treatment: Diseasee1
Interactor: Verticilli um dahliaet0pathogen
Outcome: seedcotton yielde1
Direction: decreasee1
Value: 7.86%e1

Not reportedComparator

Verbatim

t0
“Verticilli um dahliaeKleb. on cotton”
✓ located verbatim in the source · title, characters 8–44

e0
“Main plotconsisted ofinfected and non-infected area”
✓ located verbatim in the source · abstract, characters 457–508

e1
“Diseaseledtoadecrease(7.86%)inseedcotton yield”
✓ located verbatim in the source · abstract, characters 1394–1440

Title

EffectofVerticilli um dahliaeKleb. on cotton y ield and fibertechnologicalproperties

Emine Karademir; Remzi Ekinci; Behzat Baran 2012

Other claims from this paper (18)

Observation There were significant differences among the cotton varieties for all investigated characteristics.
Observation Infected versus non-infected area differences were significant for all investigated traits except ginning percentage.
Intervention effect In the non-infected area, foliar disease index, vascular disease index and vascular disease rate decreased.
Intervention effect In the non-infected area, first picking percentage, fiber fineness and micronaire decreased.
Intervention effect In the non-infected area, yellowness decreased.
Intervention effect In the non-infected area, seed cotton yield and fiber yield increased.
Intervention effect In the non-infected area, fiber length, strength and elongation increased.
Intervention effect In the non-infected area, uniformity, reflectance and spinning consistency index increased.
Intervention effect Ginning percentage was unaffected by infected versus non-infected area differences.
Intervention effect Growing cotton varieties in the non-infected area gave a 323.60 kg ha-1 increase in seed cotton yield.
Intervention effect Growing cotton varieties in the non-infected area gave a 114.50 kg ha-1 increase in lint yield.
Intervention effect Verticillium disease led to a 6.73% decrease in fiber yield.
Observation Cotton variety GW-Teks was tolerant in terms of FDI, VDI and VDR.
Observation Cotton variety GW-Golda was tolerant in terms of FDI, VDI and VDR.
Observation Cotton variety Carmen was tolerant in terms of FDI, VDI and VDR.
Observation Cotton variety Sayar314 was sensitive in terms of FDI, VDI and VDR.
Observation Cotton variety Stoneville453 was sensitive in terms of FDI, VDI and VDR.
Recommendation Tolerant cotton varieties can be used as parents in Verticillium breeding programs.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Yield fell significantly with each unit decrease in seeding rate.

Taxon: YOUNG COB CORNt0
Treatment: rate of seedinge0
Outcome: yielde0
Direction: reductione0

Verbatim

e0
“A significant reduction in yield existed per unit decrease on rate of seeding.”
✓ located verbatim in the source · abstract, characters 514–592

t0
“YOUNG COB CORN”
✓ located verbatim in the source · title, characters 35–49

Title

DETASSELING AND RATE OF SEEDING OF YOUNG COB CORN INTERCROPPED WITH OKRA DURING WET SEASON

Velma T. Mañgaser 2013

Other claims from this paper (7)

Intervention effect Detasseled young corn at 5 seeds/hill had the highest yield.
Intervention effect Okra yield did not differ significantly when intercropped with young corn.
Observation Young corn–okra intercropping produced a substantial yield advantage.
Observation Detasseled young corn at 5 seeds/hill had the highest return on total expenses, 573.93%.
Observation Detasseled young corn at 5 seeds/hill had a benefit cost ratio of 5.89%.
Observation Detasseled young corn at 5 seeds/hill had an LER of 1.03.
Recommendation The authors consider young corn–okra intercropping worthwhile.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Deep plowing tended to decrease root yield of sudangrass.

Taxon: sudangrassSorghum ×drummondiie1
Treatment: Deep plowinge1
Outcome: root yieldse1
Direction: decreasee1

Not reportedComparator

Verbatim

e1
“Deep plowing tended to decrease root yields of sudangrass ( Sorghum sudanense ), sugarbeets, ( Beta vulgaris ), and soybeans ( Glycine max ) but had little effect on those of cabbage ( Brassica oleracea var. ‘capitata’)”
✓ located verbatim in the source · abstract, characters 441–660

Title

Profile Modification and Root Yield, Distribution, and Activity¹

Harold V. Eck; Ronald G. Davis Agronomy Journal 1971. doi:10.2134/agronj1971.00021962006300060034x

Other claims from this paper (11)

Intervention effect Deep plowing tended to decrease root yield of sugarbeets.
Intervention effect Deep plowing tended to decrease root yield of soybeans.
Intervention effect Deep plowing had little effect on root yield of cabbage.
Association Root yields of plants decreased with depth on soil rototilled to 20 cm or moldboard plowed to 90 cm.
Intervention effect Application of 22,400 kg/ha of Na2CO3 at the 90 cm plow depth made roots of plants tend to be evenly distributed throughout the 90 cm profile.
Intervention effect Profile modification enhanced root activity of plants, as measured by top-root ratios.
Method / resource Top-root ratios are better indicators of root activity than top or root yields alone.
Observation Sr 85 uptake showed that roots in the 70 to 90 cm zone were as active as roots in the 0 to 20 cm zone.
Intervention effect Na2CO3 tended to increase root weights in its zone of application.
Intervention effect Na2CO3 reduced radiostrontium uptake by about eightfold compared with similarly placed radiostrontium without Na2CO3.
Association Na2CO3 indicates a decrease in root activity.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Deep plowing tended to decrease root yield of sugarbeets.

Taxon: sugarbeetsBeta vulgaris subsp. vulgarise1
Treatment: Deep plowinge1
Outcome: root yieldse1
Direction: decreasee1

Not reportedComparator

Verbatim

e1
“Deep plowing tended to decrease root yields of sudangrass ( Sorghum sudanense ), sugarbeets, ( Beta vulgaris ), and soybeans ( Glycine max ) but had little effect on those of cabbage ( Brassica oleracea var. ‘capitata’)”
✓ located verbatim in the source · abstract, characters 441–660

Title

Profile Modification and Root Yield, Distribution, and Activity¹

Harold V. Eck; Ronald G. Davis Agronomy Journal 1971. doi:10.2134/agronj1971.00021962006300060034x

Other claims from this paper (11)

Intervention effect Deep plowing tended to decrease root yield of sudangrass.
Intervention effect Deep plowing tended to decrease root yield of soybeans.
Intervention effect Deep plowing had little effect on root yield of cabbage.
Association Root yields of plants decreased with depth on soil rototilled to 20 cm or moldboard plowed to 90 cm.
Intervention effect Application of 22,400 kg/ha of Na2CO3 at the 90 cm plow depth made roots of plants tend to be evenly distributed throughout the 90 cm profile.
Intervention effect Profile modification enhanced root activity of plants, as measured by top-root ratios.
Method / resource Top-root ratios are better indicators of root activity than top or root yields alone.
Observation Sr 85 uptake showed that roots in the 70 to 90 cm zone were as active as roots in the 0 to 20 cm zone.
Intervention effect Na2CO3 tended to increase root weights in its zone of application.
Intervention effect Na2CO3 reduced radiostrontium uptake by about eightfold compared with similarly placed radiostrontium without Na2CO3.
Association Na2CO3 indicates a decrease in root activity.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Deep plowing tended to decrease root yield of soybeans.

Taxon: soybeansGlycine maxe1
Treatment: Deep plowinge1
Outcome: root yieldse1
Direction: decreasee1

Not reportedComparator

Verbatim

e1
“Deep plowing tended to decrease root yields of sudangrass ( Sorghum sudanense ), sugarbeets, ( Beta vulgaris ), and soybeans ( Glycine max ) but had little effect on those of cabbage ( Brassica oleracea var. ‘capitata’)”
✓ located verbatim in the source · abstract, characters 441–660

Title

Profile Modification and Root Yield, Distribution, and Activity¹

Harold V. Eck; Ronald G. Davis Agronomy Journal 1971. doi:10.2134/agronj1971.00021962006300060034x

Other claims from this paper (11)

Intervention effect Deep plowing tended to decrease root yield of sudangrass.
Intervention effect Deep plowing tended to decrease root yield of sugarbeets.
Intervention effect Deep plowing had little effect on root yield of cabbage.
Association Root yields of plants decreased with depth on soil rototilled to 20 cm or moldboard plowed to 90 cm.
Intervention effect Application of 22,400 kg/ha of Na2CO3 at the 90 cm plow depth made roots of plants tend to be evenly distributed throughout the 90 cm profile.
Intervention effect Profile modification enhanced root activity of plants, as measured by top-root ratios.
Method / resource Top-root ratios are better indicators of root activity than top or root yields alone.
Observation Sr 85 uptake showed that roots in the 70 to 90 cm zone were as active as roots in the 0 to 20 cm zone.
Intervention effect Na2CO3 tended to increase root weights in its zone of application.
Intervention effect Na2CO3 reduced radiostrontium uptake by about eightfold compared with similarly placed radiostrontium without Na2CO3.
Association Na2CO3 indicates a decrease in root activity.

Recommendationhypothesisoriginal resultpositivebasis n/a

Claim · model-written summary

Own sunflower seed production is expected to decrease the cost price, with yield equal to imported hybrids.

Taxon: SunflowerHelianthus annuuse0
Outcome: cost pricee2
Direction: decreasee2
Comparator: imported hybridse2

Verbatim

e0
“Sunflower is a main oil seed crop in Bulgaria”
✓ located verbatim in the source · abstract, characters 0–45

e2
“the cost price will decrease sharply and the obtainable yield will equal the productivity of the imported hybrids”
✓ located verbatim in the source · abstract, characters 1165–1278

Title

Technological solutions in sunflower hybrid production

Galin Georgiev Bulgarian Journal of Crop Science 2025. doi:10.61308/emkm6105

Other claims from this paper (1)

Recommendation Own seed production of Bulgarian sunflower hybrids is a partial solution to sunflower production problems.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The critical temperature for Phalaenopsis leaves, above which photosynthetic yield began to decrease sharply, was approximately 45°C.

Taxon: PhalaenopsisPhalaenopsist0
Outcome: critical temperaturee2
Value: approximately 45°Ce2
Qualifier: began to decrease sharplye2

Verbatim

t0
“Phalaenopsis Leaves”
✓ located verbatim in the source · title, characters 68–87

e2
“The critical temperature, at which photosynthesis yield began to decrease sharply, was approximately 45°C”
✓ located verbatim in the source · abstract, characters 834–939

Title

Effects of High Temperature Exposure on Chlorophyll Fluorescence of Phalaenopsis Leaves

Phunsup Seubma; Poonpipope Kasemsap; O. van Kooten; et al. Socio-Environmental Systems Modeling 2012

Other claims from this paper (5)

Observationobservedoriginal resultnegativeprojected

Claim · model-written summary

Without adaptation options, mean maize yield would decrease by 7 to 18% in 2010-2039 relative to 1976-2005.

Taxon: maizeZea mayse1
Outcome: mean maize yielde1
Direction: decreasee1
Value: 7~18%e1
Qualifier: without considering adaptation optionse1
Comparator: 1976-2005e1

Verbatim

e1
“without considering adaptation options, mean maize yield would decrease by 7~18% during 2010-2039 relative to 1976-2005”
✓ located verbatim in the source · abstract, characters 792–911

Title

Ensemble yield simulations: Using heat-tolerant and later-maturing varieties to adapt to climate warming

Yi Zhang; Yanxia Zhao PLoS ONE 2017. doi:10.1371/journal.pone.0176766

Other claims from this paper (4)

Intervention effect Heat-tolerant maize varieties increase maize yield by 6% to 10% on average relative to no adaptation.
Intervention effect Later maturing maize varieties increase maize yield by 7% to 10% relative to no adaptation.
Association A large decrease in grain number relative to stabilized grain weight decreases maize yield under future climate scenarios.
Observation The optimal adaptation options for maize are site specific.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Rice yield increase from soil Zn application showed a slight decrease over the years.

Taxon: riceOryza sativae0
Treatment: soil applicationse0
Outcome: yield increasee0
Direction: showed a slight decreasee0

Verbatim

e0
“For rice,the yield increase induced by soil applications showed a slight decrease while it decreased slightly at first and then increased with foliar applications”
✓ located verbatim in the source · abstract, characters 2619–2781

Title

Yield responses of the main cereal crops to the application approaches and rates of zinc fertilizer in China

Wang Xiao-zhon Journal of Plant Nutrition and Fertilizer 2014

Other claims from this paper (19)

Intervention effect Soil Zn application increased wheat yield by 11.3% on average.
Intervention effect Foliar Zn application increased wheat yield by 10.0% on average.
Intervention effect Seed-treating Zn application increased wheat yield by 11.1% on average.
Intervention effect Soil Zn application increased maize yield by 13.7% on average.
Intervention effect Foliar Zn application increased maize yield by 12.7% on average.
Intervention effect Seed-treating Zn application increased maize yield by 12.1% on average.
Intervention effect Soil Zn application increased rice yield by 15.0% on average.
Intervention effect Foliar Zn application increased rice yield by 9.8% on average.
Intervention effect Seed-treating Zn application increased rice yield by 9.7% on average.
Intervention effect Soil Zn application achieved the highest yield increase regardless of crop, compared with foliar and seed-treated applications.
Association Optimized soil Zn rate for higher wheat yield increase is 15-45 kg/hm2.
Association Optimized soil Zn rate for higher maize yield increase is 20-30 kg/hm2.
Association Optimized soil Zn rate for higher rice yield increase is 20-30 kg/hm2.
Intervention effect Foliar ZnSO4·7H2O at 0.4%-0.5% gave the highest wheat yield increase.
Recommendation Optimized foliar ZnSO4·7H2O rate for maize is 0.1%-0.3%.
Recommendation Optimized foliar ZnSO4·7H2O rate for rice is 0.2%-0.4%.
Association Wheat yield increase from each Zn application method tended to increase continuously over the years.
Association Rice yield increase from foliar Zn application decreased slightly at first and then increased over the years.
Intervention effect Zn fertilizer application could effectively improve yields of wheat, maize and rice.

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“yield decrease”

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