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“yield decrease”

2,653 matches

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Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Yield loss was associated with smaller head diameter and fewer seeds per head.

Taxon: sunflowerHelianthus annuust0
Organ / stage: heade0
Outcome: yield lossese0
Direction: lossese0
Qualifier: decrease at head diameter and seeds per heade0

Verbatim

e0
“Significant yield losses were arisen with decrease at head diameter and seeds per head.”
✓ located verbatim in the source · abstract, characters 943–1030

t0
“Sunflower”
✓ located verbatim in the source · title, characters 119–128

Title

Effects of Stand Reduction Applied at Different Plant Growth Stages on the Yield and Yield Components of Components of Sunflower

Abdurrahim Tanju Göksoy DergiPark (Istanbul University) 1999

Other claims from this paper (8)

Intervention effect A 25% stand reduction did not significantly reduce sunflower seed yield relative to the check.
Intervention effect A 50% stand reduction significantly reduced sunflower seed yield relative to the check.
Intervention effect A 50% stand reduction at the four-leaf stage caused 22% yield loss.
Intervention effect A 50% stand reduction at the eight-leaf stage caused 17% yield loss.
Intervention effect A 50% stand reduction at the 16-leaf stage caused 29% yield loss.
Intervention effect A 50% stand reduction at bud stage caused 33% yield loss.
Intervention effect Later 50% stand losses at 16-leaf and bud stages caused significant yield loss.
Association Head diameter and seeds per head were positively correlated with yield at the lowest population.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Diseases significantly reduced EAGLE F1 yield; reported yield was 190 t/ha.

Taxon: tomatoSolanum lycopersicumt0
Material: EAGLE F1e0
Outcome: yielde0
Direction: decreasee0
Value: 190 t/hae0
Qualifier: The diseasese0

Verbatim

e0
“The diseases led to a significant decrease in yield for both varieties (EAGLE F1: 190 t/ha; UC 82: 88.8 t/ha)”
✓ located verbatim in the source · abstract, characters 998–1107

t0
“Tomato”
✓ located verbatim in the source · title, characters 21–27

Title

Effect of Disease on Tomato Production in Soilless Cultivation in the Korhogo Area, Northern Côte d’Ivoire

N’goran-Bla Ahou Régine; Koné Nahoua; N'guessan Aya Carine; et al. Biotechnology Journal International 2026. doi:10.9734/bji/2026/v30i2862

Other claims from this paper (9)

Observation UC 82 tomatoes had blossom-end rot, alternaria, downy mildew, anthracnose, and fruit cracking.
Observation Alternaria incidence in UC 82 was 19.69%.
Observation Alternaria severity in UC 82 was 7.35%, the highest disease severity.
Observation EAGLE F1 tomatoes presented only fruit cracking.
Observation Fruit cracking incidence in EAGLE F1 was 16.89%.
Observation Fruit cracking severity in EAGLE F1 was 2.36%.
Association Diseases significantly reduced UC 82 yield; reported yield was 88.8 t/ha.
Observation Disease losses amounted to 76.18% of investment for UC 82.
Observation Disease losses amounted to 31.06% of investment for EAGLE F1.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Water stress markedly decreased grain yield of wheat.

Taxon: wheatTriticum aestivume0
Treatment: water stresse3
Outcome: grain yielde3
Direction: marked decreasee3

Not reportedComparator

Verbatim

e0
“drought tolerance of two wheat (Triticum aestivum L.) cultivars”
✓ located verbatim in the source · abstract, characters 183–246

e3
“water stress induced marked decrease (P<0.05) in grain yield”
✓ located verbatim in the source · abstract, characters 757–817

Title

Does glycine betaine and salicylic acid ameliorate the negative effect of drought on wheat by regulating osmotic adjustment through solutes accumulation

Heshmat S. Aldesuquy; Mohamed Abbas; Samy A. Abo-Hamed; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2013

Other claims from this paper (12)

Intervention effect Water stress increased osmotic pressure, proline and total soluble nitrogen in wheat flag leaves.
Intervention effect Water stress increased total soluble sugars and organic acids in wheat flag leaves.
Intervention effect Water stress increased the ions content in wheat flag leaves.
Intervention effect Water stress increased the Na+/K+ ratio in wheat flag leaves.
Association The resistant wheat variety had higher osmotic pressure, proline and organic acids than the sensitive one.
Association The resistant wheat variety had higher ions content than the sensitive one.
Intervention effect The applied chemicals mitigated the effect of water stress on wheat.
Intervention effect The glycine betaine and salicylic acid treatment gave a more pronounced mitigating effect than the other applied chemicals.
Intervention effect The applied chemicals increased osmotic pressure, osmolyte concentrations and grain yield of wheat.
Association Osmotic pressure of wheat flag leaf sap appears to depend on proline, TSN, TSS, organic acids and ions content.
Association Economic yield of wheat was positively correlated with proline, keto-acids and osmotic pressure.
Association Economic yield of wheat was negatively correlated with TSN, TSS and citric acid.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

crude fibre yield decreased significantly through 150 kg N ha-1.

Taxon: fodder maizet0
Treatment: 150 kg N ha-1e0
Outcome: crude fibre yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“crude fibre content and crude fibre yield showed significant and consistent decrease up to 150 kg N ha-1.”
✓ located verbatim in the source · abstract, characters 901–1006

t0
“fodder maize”
✓ located verbatim in the source · title, characters 38–50

Title

Enhancing productivity and quality of fodder maize through nitrogen and zinc application levels

Arvind Bhai Patel; Sanjeev Kumar Gupta; Suborna Roy Choudhury International Journal of Chemical Studies 2020. doi:10.22271/chemi.2020.v8.i6h.10831

Other claims from this paper (17)

Intervention effect Nitrogen at 150 kg N ha-1 significantly increased leaf area index.
Intervention effect Nitrogen at 150 kg N ha-1 significantly increased dry matter production.
Intervention effect Nitrogen at 150 kg N ha-1 significantly increased chlorophyll content plant-1.
Intervention effect Stem diameter increased significantly as nitrogen rose from 90 to 150 kg ha-1.
Intervention effect Crude protein content increased significantly with nitrogen application.
Intervention effect crude protein yield increased significantly with nitrogen application.
Intervention effect crude fibre content decreased significantly through 150 kg N ha-1.
Intervention effect Green fodder yield rose significantly from 449 to 506 q ha-1 as nitrogen rose from 90 to 150 kg ha-1.
Intervention effect Maximum green fodder yield at 150 kg ha-1 nitrogen was 506 q ha-1.
Intervention effect Maximum dry fodder yield at 150 kg ha-1 nitrogen was 126 q ha-1.
Intervention effect N2 increased green fodder yield over N1 by 3.75.
Intervention effect N3 increased green fodder yield over N1 by 11.25 %.
Intervention effect Zinc at 20 kg ha-1 significantly improved green fodder yield over zero zinc.
Intervention effect Zinc at 20 kg ha-1 significantly improved dry fodder yield over zero zinc.
Observation N150 Zn20 produced the highest gross return of Rs.60,668 ha-1.
Observation N150 Zn20 produced the highest net return of Rs.39,190 ha-1.
Observation N150 Zn10 had the highest benefit cost ratio of 1.82.

Associationobservedoriginal resultsignificant (as stated)simulated

Claim · model-written summary

A 1 °C rise in minimum temperature during vernalization decreased seed yield by 187.724 kg/ha.

Taxon: carrotDaucus carotat0
Treatment: 1 °C incremente0
Outcome: seed yielde0
Direction: decreasee0
Value: 187.724 kg/hae0

Verbatim

e0
“187.724 kg/ha of seed yield decrease for each 1 °C increment”
✓ located verbatim in the source · abstract, characters 1464–1524

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

Title

Phenological phase affects carrot seed production sensitivity to climate change – A panel data analysis

Asharp Godwin; Craig McGill; Andrew Ward; et al. The Science of The Total Environment 2023. doi:10.1016/j.scitotenv.2023.164502

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Nitrogen deficiency immediately reduced yield.

Taxon: RyeSecale cerealet0
Treatment: Deficiencies in N fertilizatione0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Deficiencies in N fertilization lead immediately, and in PK supply after more than 20 years, to a significant yield decrease”
✓ located verbatim in the source · abstract, characters 619–743

t0
“Rye”
✓ located verbatim in the source · title, characters 108–111

Title

The influence of fertilization and rotation on soil organic matter and plant yields in the long-termEternal Rye trial in Halle (Saale), Germany

Lothar Schmidt; Kristina Warnstorff; Hannelore Dörfel; et al. Journal of Plant Nutrition and Soil Science 2000. doi:10.1002/1522-2624(200012)163:6<639::aid-jpln639>3.0.co;2-l

Other claims from this paper (15)

Method / resource Statistical approaches were suitable for unreplicated long-term results.
Intervention effect Mineral fertilization maintained yield potential like farmyard manure.
Intervention effect Mineral fertilization had lower soil organic matter than farmyard manure.
Intervention effect Without fertilizer potato yield fell more than winter rye yield.
Intervention effect Without fertilizer silage maize yield fell more than winter rye yield.
Intervention effect PK deficiency reduced yield after more than 20 years.
Intervention effect Full fertilization quickly compensated yield decreases.
Intervention effect Rye monoculture decreased yield.
Intervention effect Maize monoculture decreased yield.
Observation Soil organic matter turnover reached new steady states after about 50 years.
Intervention effect Silage maize monoculture decomposed more soil organic matter than rye monoculture.
Intervention effect Potato alternating with winter rye decomposed soil organic matter relative to rye monoculture.
Association Fertilization affected soil organic matter composition more than rotation.
Intervention effect Unfertilized soil had a higher percentage of thermally stable organic matter.
Intervention effect Potato in rotation increased easily decomposable soil organic matter.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

PK deficiency reduced yield after more than 20 years.

Taxon: RyeSecale cerealet0
Treatment: PK supplye0
Outcome: yielde0
Direction: decreasee0
Qualifier: after more than 20 yearse0

Not reportedComparator

Verbatim

e0
“in PK supply after more than 20 years, to a significant yield decrease”
✓ located verbatim in the source · abstract, characters 673–743

t0
“Rye”
✓ located verbatim in the source · title, characters 108–111

Title

The influence of fertilization and rotation on soil organic matter and plant yields in the long-termEternal Rye trial in Halle (Saale), Germany

Lothar Schmidt; Kristina Warnstorff; Hannelore Dörfel; et al. Journal of Plant Nutrition and Soil Science 2000. doi:10.1002/1522-2624(200012)163:6<639::aid-jpln639>3.0.co;2-l

Other claims from this paper (15)

Method / resource Statistical approaches were suitable for unreplicated long-term results.
Intervention effect Mineral fertilization maintained yield potential like farmyard manure.
Intervention effect Mineral fertilization had lower soil organic matter than farmyard manure.
Intervention effect Without fertilizer potato yield fell more than winter rye yield.
Intervention effect Without fertilizer silage maize yield fell more than winter rye yield.
Intervention effect Nitrogen deficiency immediately reduced yield.
Intervention effect Full fertilization quickly compensated yield decreases.
Intervention effect Rye monoculture decreased yield.
Intervention effect Maize monoculture decreased yield.
Observation Soil organic matter turnover reached new steady states after about 50 years.
Intervention effect Silage maize monoculture decomposed more soil organic matter than rye monoculture.
Intervention effect Potato alternating with winter rye decomposed soil organic matter relative to rye monoculture.
Association Fertilization affected soil organic matter composition more than rotation.
Intervention effect Unfertilized soil had a higher percentage of thermally stable organic matter.
Intervention effect Potato in rotation increased easily decomposable soil organic matter.

Mechanismauthor interpretationoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

No potassium fertilization reduced paddy grain and significantly decreased paddy yield.

Taxon: paddye0
Treatment: no K fertilizatione0
Outcome: significant decrease in paddy yielde0
Qualifier: reduction in paddy graine0

Verbatim

e0
“The important cause of significant decrease in paddy yield was the reduction in paddy grain for no K fertilization.”
✓ located verbatim in the source · abstract, characters 896–1011

Title

Study on Assignment of Phosphorus and Potassium Fertilizer in Wheat-Paddy Rotation System

Wei Wen Anhui nongye kexue 2011

Other claims from this paper (6)

Intervention effect The 70% P/30% K wheat and 30% P/70% K paddy allocation gave maximum wheat yield.
Intervention effect The same allocation gave maximum paddy yield.
Intervention effect The same allocation gave maximum total rotation yield.
Intervention effect Omitting phosphorus from wheat and potassium from paddy gave the lowest yield.
Mechanism No phosphorus fertilization reduced effective wheat ears and sharply decreased wheat yield.
Recommendation The authors recommend applying most phosphorus to wheat and most potassium to paddy while maintaining both rates.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing water deficit significantly decreased yield parameters.

Taxon: Foeniculum vulgareAnethum foeniculumt0
Treatment: Increasing water deficit stresse0
Outcome: yield parameterse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increasing water deficit stress was led to a significant increase in essential oil percentage and proline content and a significant decrease in yield parameters and seed yield.”
✓ located verbatim in the source · abstract, characters 369–545

t0
“Foeniculum Vulgare”
✓ located verbatim in the source · title, characters 24–42

Title

Improving Resistance of Foeniculum Vulgare to Water Deficit Stress by Natural Regulators

Farshad Sorkhi; Ramin Rostami; Kazem Ghassemi-Golezani Agriculture (Pol nohospodárstvo) 2021. doi:10.2478/agri-2021-0003

Other claims from this paper (11)

Intervention effect Increasing water deficit significantly raised essential oil percentage.
Intervention effect Increasing water deficit significantly raised proline content.
Intervention effect Increasing water deficit significantly decreased seed yield.
Intervention effect Natural growth regulators affected most traits except essential oil percentage.
Intervention effect Methanol under normal irrigation gave the highest seed yield of 1,127.59 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest plant biomass of 5,426.92 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest essential oil yield of 22.67 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest proline content of 29.34 μmol/g fresh weight.
Intervention effect Under moderate and severe water deficit, salicylic acid produced the highest values of these four traits.
Recommendation The authors recommend methanol foliar spray under non-stress conditions.
Recommendation The authors recommend salicylic acid to mitigate water deficit stress.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing water deficit significantly decreased seed yield.

Taxon: Foeniculum vulgareAnethum foeniculumt0
Treatment: Increasing water deficit stresse0
Outcome: seed yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increasing water deficit stress was led to a significant increase in essential oil percentage and proline content and a significant decrease in yield parameters and seed yield.”
✓ located verbatim in the source · abstract, characters 369–545

t0
“Foeniculum Vulgare”
✓ located verbatim in the source · title, characters 24–42

Title

Improving Resistance of Foeniculum Vulgare to Water Deficit Stress by Natural Regulators

Farshad Sorkhi; Ramin Rostami; Kazem Ghassemi-Golezani Agriculture (Pol nohospodárstvo) 2021. doi:10.2478/agri-2021-0003

Other claims from this paper (11)

Intervention effect Increasing water deficit significantly raised essential oil percentage.
Intervention effect Increasing water deficit significantly raised proline content.
Intervention effect Increasing water deficit significantly decreased yield parameters.
Intervention effect Natural growth regulators affected most traits except essential oil percentage.
Intervention effect Methanol under normal irrigation gave the highest seed yield of 1,127.59 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest plant biomass of 5,426.92 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest essential oil yield of 22.67 kg/ha.
Intervention effect Methanol under normal irrigation gave the highest proline content of 29.34 μmol/g fresh weight.
Intervention effect Under moderate and severe water deficit, salicylic acid produced the highest values of these four traits.
Recommendation The authors recommend methanol foliar spray under non-stress conditions.
Recommendation The authors recommend salicylic acid to mitigate water deficit stress.

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“yield decrease”

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