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“yield decrease”

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Taxon: winter barley ✕

Taxon groups are the verbatim names found in the abstracts (case-insensitive), not normalised: maize, corn and Zea mays are separate groups here. The Organism view merges them through NCBI Taxonomy.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Growth regulators slightly decreased grain yield in non-lodging plants.

Taxon: Winter barleyHordeum vulgaree1
Treatment: use of growth regulatorse0
Outcome: grain yielde0
Direction: decreasee0
Qualifier: non-lodging plantse0

Not reportedComparator

Verbatim

e0
“the use of growth regulators on non-lodging plants led to a slight decrease in grain yield”
✓ located verbatim in the source · abstract, characters 753–843

e1
“Winter barley”
✓ located verbatim in the source · abstract, characters 314–327

Title

Enzyme activity of winter triticale under the using of biological preparations

V. V. Karpenko; A. V. Zabolotna Collected Works of Uman National University of Horticulture 2025. doi:10.32782/2415-8240-2025-106-1-602-608

Other claims from this paper (8)

Association Fertilizer effectiveness varied with research-year weather and plant lodging resistance.
Intervention effect N 75 produced the highest plant resistance.
Intervention effect N 75 produced the highest grain yield, 7.20-8.32t/ha depending on year.
Intervention effect Complete mineral fertilizer formed a large vegetative mass.
Intervention effect Complete mineral fertilizer increased lodging risk.
Intervention effect Growth regulators added 0.79-2.41t/ha of grain yield depending on lodging resistance.
Observation Protein content remained unchanged under this cultivation scenario.
Recommendation The authors recommend growth regulators under complete mineral fertilization because of lodging risk.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Half seed rate did not reduce yield compared with full seed rate.

Taxon: winter barleyHordeum vulgaret0
Treatment: half seed ratee0
Outcome: yielde0
Direction: did not decreasee0
Comparator: full seed ratee0

Verbatim

e0
“Sowing at half seed rate did not decrease yield when compared with the crop sown at the full seed rate on the same date”
✓ located verbatim in the source · abstract, characters 736–855

t0
“winter barley”
✓ located verbatim in the source · title, characters 57–70

Title

The influence of cultural factors and mildew on yield of winter barley

A. Bainbridge; M. E. Finney; J. F. Jenkyn The Journal of Agricultural Science 1980. doi:10.1017/s0021859600029002

Other claims from this paper (14)

Intervention effect Early sowing increased winter barley yield by 79·8% in the first year.
Intervention effect Early sowing increased winter barley yield by 53·9% in the second year.
Intervention effect Late sowing approximately halved plant emergence.
Observation Late-sown plants had more tillers, more grains per ear and larger grain, but these did not compensate for thinner stands.
Observation Extra tillering and larger ears generally compensated for fewer plants in contemporaneous crops.
Intervention effect April nitrogen gave the best yield in early and late crops in 1975–6 and late crops in 1977–8.
Intervention effect March nitrogen gave the best yield in early-sown crops in the second year.
Intervention effect March nitrogen increased ear number in early-sown crops.
Intervention effect Nitrogen application date did not influence ear number in late-sown crops or grains per ear in any crop.
Observation Mildew developed on early and late crops throughout the mild 1975–6 winter.
Intervention effect Single autumn, winter or early spring tridemorph sprays increased yield by 6·3–7·6%.
Intervention effect Two sprays had an additive yield increase.
Intervention effect Late spring spray had no significant effect on yield.
Intervention effect After the colder 1977–8 winter, mildew was almost absent and spraying failed to significantly increase yield.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Delayed spring nitrogen did not reduce the sprays needed for maximum yield.

Taxon: winter barleyHordeum vulgaret0
Treatment: Delaying nitrogen application in the springe0
Outcome: number of fungicide sprays required to achieve maximum yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Delaying nitrogen application in the spring did not decrease the number of fungicide sprays required to achieve maximum yield”
✓ located verbatim in the source · abstract, characters 1002–1127

t0
“winter barley”
✓ located verbatim in the source · title, characters 86–99

Title

Effects of nitrogen timing and frequency of fungicide applications on grain yields of winter barley in Ireland

M. J. Conry; B. Dunne The Journal of Agricultural Science 1993. doi:10.1017/s0021859600074219

Other claims from this paper (10)

Intervention effect Nitrogen timing had little effect on foliar disease necrosis.
Intervention effect Delaying all nitrogen until April significantly reduced yield versus split March and April dressings in two of three years.
Mechanism The yield reductions reflected small differences in 1000-grain weight.
Intervention effect Spray number significantly affected foliar necrosis.
Intervention effect Spray number significantly affected grain yield.
Intervention effect One fungicide spray increased average yield by 16%.
Intervention effect Two fungicide sprays increased average yield by 32%.
Mechanism Yield increases were attributed to more ears per area and greater grain weight.
Intervention effect Fungicides delayed the onset of brackling.
Intervention effect Fungicides significantly reduced brackling amount.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Delaying sowing linearly decreased maximum grain yield of winter barley by 0·43 % per day.

Taxon: winter barleyHordeum vulgaree0
Material: cv. Igrie0
Treatment: Delaying sowinge1
Outcome: maximum grain yielde1
Direction: decreasee1
Value: 0·43 %e1

Not reportedComparator

Verbatim

e0
“the influence of sowing date (early September to mid-November) on the yield of winter barley (cv. Igri)”
✓ located verbatim in the source · abstract, characters 46–149

e1
“Delaying sowing resulted in a linear decrease in maximum grain yield at a rate of 0·43 % for every day sowing was delayed”
✓ located verbatim in the source · abstract, characters 164–285

Title

Time of Sowing and the Yield of Winter Barley

C. F. Green; D. T. Furmston; J. D. Ivins The Journal of Agricultural Science 1985. doi:10.1017/s0021859600044099

Other claims from this paper (3)

Intervention effect Advancing the date of sowing increased the duration of preanthesis development in winter barley.
Intervention effect Advancing the date of sowing increased tillering and hence ear density at harvest in winter barley.
Association Yield of winter barley was linearly related to a higher number of grains.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Winter barley yield at a reduced seeding rate was 0.22 t/ha lower than at sowing 4.5 million seeds/ha.

Taxon: winter barleyHordeum vulgaret0
Outcome: yielde1
Direction: decreasee1
Value: 0.22 t/hae1
Comparator: sowing 4.5 million seeds/ hae1

Not reportedTreatment

Verbatim

e1
“At the same time, there was a decrease in yield by 0.22 t/ha compared to sowing 4.5 million seeds/ ha”
✓ located verbatim in the source · abstract, characters 1326–1427

t0
“winter barley infection by Pyrenophora teres Drechsler”
✓ located verbatim in the source · title, characters 33–87

Title

The influence of sowing rates on winter barley infection by Pyrenophora teres Drechsler under conditions of Steppe of Ukraine

I. Tіtov Karantin i zahist roslin 2024. doi:10.36495/2312-0614.2024.4.36-39

Other claims from this paper (7)

Intervention effect Sowing winter barley at 5.5 million seeds/ha raised Pyrenophora teres disease development by 3.0% compared with the 4.5 million seeds/ha norm.
Intervention effect Sowing winter barley at 5.5 million seeds/ha raised Pyrenophora teres disease development by 1.2% compared with the 3.5 million seeds/ha norm.
Intervention effect Grain yield was 0.18 t/ha lower than at the 4.5 million seeds/ha norm in winter barley.
Intervention effect Grain yield was 0.14 t/ha lower than at the 3.5 million seeds/ha norm in winter barley.
Intervention effect A decrease in seeding rate lowered winter barley 1000-grain weight by an average of 0.6 g.
Intervention effect Reduced and increased seeding rates raised Pyrenophora teres damage to winter barley plants by 1.9-3.1%.
Recommendation The optimal sowing rate for winter barley in Odesa region is 4.5 million seeds per ha.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield decreased gradually in later sowing periods after maize on a grain

Taxon: winter barleyHordeum vulgaree0
Treatment: later sowing periodse3
Outcome: yielde3
Direction: decreasee3
Qualifier: the second period (6.69 t/ha), the third (6.57 t/ha), the fourth (6.50 t/ha)e3

Not reportedComparator

Verbatim

e0
“Winter barley occupies one of the important places among grains in the Don region”
✓ located verbatim in the source · abstract, characters 227–308

e3
“In addition, a pattern was identified for this predecessor – a gradual decrease in yield in later sowing periods: the second period (6.69 t/ha), the third (6.57 t/ha), the fourth (6.50 t/ha)”
✓ located verbatim in the source · abstract, characters 1777–1967

Title

Influence of sowing dates of winter barley for different precursors on yields

O. S. Lesnykh; G. V. Ovsyannikova; G. M. Zelenskaya POMICULTURE & SMALL FRUITS CULTURE IN RUSSIA 2023. doi:10.31676/2073-4948-2023-74-73-86

Other claims from this paper (7)

Intervention effect Vivat gave the highest yield (6.93 t/ha) after maize on a grain when sown on September 10
Intervention effect Marusya gave a yield of 6.84 t/ha after maize on a grain when sown on September 10
Intervention effect Fox 1 gave a yield of 6.57 t/ha after maize on a grain when sown on September 10
Observation The average yield of the three varieties after maize on a grain was 6.78 t/ha
Intervention effect After sunflower, winter barley yielded lower than after maize on a grain
Observation After sunflower, the average yield at the first sowing date was 6.23 t/ha
Intervention effect After sunflower, yield decreased to 6.20 t/ha at the second sowing period and to 6.01 t/ha at the third and fourth

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A single fungicide application substantially reduced fungal disease severity.

Taxon: winter barleyHordeum vulgaret0
Treatment: single application of fungicidee0
Outcome: severity of fungal diseasee0
Direction: decrease substantiallye0

Not reportedComparator

Verbatim

t0
“winter barley”
✓ located verbatim in the source · title, characters 99–112

e0
“A single application of fungicide then was sufficient to decrease substantially the severity of fungal disease”
✓ located verbatim in the source · abstract, characters 173–283

Title

Fungicide and nitrogen applications in relation to the improvement of disease control and yield in winter barley

V. W. L. JORDAN; G. R. STINCHCOMBE; J. A. HUTCHEON Plant Pathology 1989. doi:10.1111/j.1365-3059.1989.tb01424.x

Other claims from this paper (6)

Intervention effect Delaying main nitrogen top dressing changed crop structure.
Intervention effect Delaying nitrogen top dressing changed foliar disease intensity.
Intervention effect A single fungicide application improved grain yield.
Association Disease control response was greatest when fungicides were applied within three weeks after April nitrogen.
Association Yield response was greatest when fungicides were applied within three weeks after April nitrogen.
Intervention effect Two fungicide applications at GS 31 and GS 39 gave no extra yield benefit.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher mineral nutrition reduced field germination by 1.1–2.3 %.

Taxon: WINTER BARLEYHordeum vulgaret0
Treatment: increase in the level of mineral nutritione0
Outcome: field germinatione0
Direction: decreasee0
Value: 1.1–2.3 %e0

Not reportedComparator

Verbatim

e0
“A decrease in field germination by 1.1–2.3 %, with an increase in the level of mineral nutrition was determined.”
✓ located verbatim in the source · abstract, characters 670–782

t0
“WINTER BARLEY”
✓ located verbatim in the source · title, characters 9–22

Title

YIELD OF WINTER BARLEY DEPENDING ON MINERAL NUTRITION

I. Dudar; O. Lytvyn; S. Pavkovych; et al. Bulletin of Lviv National Environmental University Agronomy 2022. doi:10.31734/agronomy2022.26.072

Other claims from this paper (5)

Intervention effect Mineral fertilization improved winter barley survival, with the highest survival under N90Р90К90.
Intervention effect Fertilization increased productive stems, grain weight per ear, and grains per ear.
Association Fertilizer was positively correlated with grains per ear (r = 0.96).
Association Fertilizer was positively correlated with grain weight per ear (r = 0.77).
Intervention effect The split N30+30+30 nitrogen and Р90К90 phosphorus-potassium regime significantly increased yield relative to control and lower fertilizer rates.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

A single fungicide application improved grain yield.

Taxon: winter barleyHordeum vulgaret0
Treatment: single application of fungicidee0
Outcome: grain yielde0
Direction: improvee0

Not reportedComparator

Verbatim

t0
“winter barley”
✓ located verbatim in the source · title, characters 99–112

e0
“A single application of fungicide then was sufficient to decrease substantially the severity of fungal disease and improve grain yield at harvest”
✓ located verbatim in the source · abstract, characters 173–318

Title

Fungicide and nitrogen applications in relation to the improvement of disease control and yield in winter barley

V. W. L. JORDAN; G. R. STINCHCOMBE; J. A. HUTCHEON Plant Pathology 1989. doi:10.1111/j.1365-3059.1989.tb01424.x

Other claims from this paper (6)

Intervention effect Delaying main nitrogen top dressing changed crop structure.
Intervention effect Delaying nitrogen top dressing changed foliar disease intensity.
Intervention effect A single fungicide application substantially reduced fungal disease severity.
Association Disease control response was greatest when fungicides were applied within three weeks after April nitrogen.
Association Yield response was greatest when fungicides were applied within three weeks after April nitrogen.
Intervention effect Two fungicide applications at GS 31 and GS 39 gave no extra yield benefit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spring fungicides generally increased at least one yield component.

Taxon: Winter BarleyHordeum vulgaret0
Treatment: Applications of fungicidese0
Outcome: one or more yield componentse0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“Applications of fungicides during the spring epidemics generally resulted in a significant decrease in disease severity and an increase in one or more yield components.”
✓ located verbatim in the source · abstract, characters 1099–1267

t0
“Winter Barley”
✓ located verbatim in the source · title, characters 67–80

Title

Effects of Planting Date on Development of Net Blotch Epidemics in Winter Barley in Pennsylvania

L. M. Delserone Plant Disease 1987. doi:10.1094/pd-71-0438

Other claims from this paper (6)

Intervention effect Earliest planting had greatest fall net blotch severity and latest planting least.
Observation Warm humid spring conditions eliminated prior planting-date differences in disease severity.
Intervention effect Planting date significantly influenced spring net blotch severity during less favorable spring weather.
Intervention effect Latest planting generally gave the greatest seeds per head, thousand-kernel weight, and calculated yield.
Intervention effect Spring fungicides generally significantly decreased net blotch severity.
Intervention effect Mid- to late-September planting produced the lowest net blotch severity and greatest yields at either location.

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“yield decrease”

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