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“yield decrease”

19,998 matches

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plus 31 earlier · 1910s–1940s

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Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Selection for yield could decrease meat and oil content.

Taxon: peanutArachis hypogaeat0
Outcome: meat and oil contente0
Direction: decreasee0

Verbatim

e0
“but would decrease meat and oil content”
✓ located verbatim in the source · abstract, characters 1887–1926

t0
“Peanut”
✓ located verbatim in the source · title, characters 107–113

Title

Heritabilities and Genetic Correlations for Yield and Quality Traits of Advanced Generations in a Cross of Peanut1

Hee Yang Chiow; J. C. Wynne Peanut Science 1983. doi:10.3146/i0095-3679-10-1-5

Other claims from this paper (16)

Observation Progenies varied substantially for yield, seed weight, meat and protein content.
Observation Progenies varied less for fruit length, fruit weight, oil content and maturity index.
Observation Heritability was highest for yield, meat and protein content.
Observation Heritability was intermediate for fruit length, fruit weight and seed weight.
Observation Heritability was lowest for oil content and maturity index.
Observation Genotypic correlations were generally higher than phenotypic correlations.
Association Maturity index showed low phenotypic correlations with yield and yield components.
Association Fruit size was highly correlated with seed weight.
Association Fruit size and seed weight were significantly correlated with yield.
Association Protein content and yield correlations were low.
Association Oil content was negatively correlated with yield.
Recommendation Selecting yield components was less effective than selecting yield directly.
Recommendation Selection for yield could increase protein content and fruit and seed traits.
Observation Transgressive segregation occurred across all studied traits.
Observation Progeny trait means were closer to the Spanish than the Virginia parent.
Observation Some progeny combined early maturity, high yield and large fruit.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

High-rate controlled-release urea (HN) did not significantly decrease rice yield compared with conventional urea (FP).

Taxon: riceOryza sativae0
Treatment: HNe0
Outcome: rice yielde0
Direction: did not decreasee0
Comparator: FPe0

Verbatim

e0
“As compared with FP, HN did not decrease rice yield significantly”
✓ located verbatim in the source · abstract, characters 370–435

Title

[Effects of seeding-box total fertilization on rice yield and nitrogen loss].

Ru-Liang Liu; You-Hong Li; Ai-Ping Zhang; et al. PubMed 2012

Other claims from this paper (7)

Intervention effect Medium-rate controlled-release urea (MN) increased the two-year average nitrogen use efficiency of rice by 26.2% compared with FP.
Intervention effect High-rate controlled-release urea (HN) increased the two-year average nitrogen use efficiency of rice by 20.7% compared with FP.
Intervention effect Total N concentration in surface water peaked 7-9 days after urea application in MN and HN, versus 1-3 days in FP.
Intervention effect Total N concentration in surface water in MN and HN was significantly lower than in FP throughout the rice growth period.
Intervention effect Nitrogen leaching loss occurred mainly at tillering stage in FP but was delayed to the tillering-flowering stage in MN and HN.
Observation In all treatments NO3(-)-N loss accounted for 59.7%-64.2% of the total N loss.
Intervention effect HN decreased total N leaching loss by 51.8% compared with FP.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Delayed autumn ploughing did not decrease grain yield.

Taxon: spring barleyHordeum vulgaree1
Treatment: delayed autumn ploughinge0
Outcome: grain yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Because delayed autumn ploughing did not decrease the grain yield”
✓ located verbatim in the source · abstract, characters 902–967

e1
“grain yield of spring barley”
✓ located verbatim in the source · abstract, characters 628–656

Title

The effect of incorporation time of different crops on the residual effect on spring cereals

H. KÄNKÄNEN; A. KANGAS; T. MELA Agricultural and Food Science 1999. doi:10.23986/afsci.5629

Other claims from this paper (7)

Intervention effect Barley grain yield after legumes was similar to yield after barley despite 40 kg ha-1 less N fertilization.
Intervention effect Autumn ploughing gave good barley yield more reliably than spring incorporation.
Recommendation The authors recommend delayed autumn ploughing for its potential to reduce nitrogen leaching.
Recommendation Spring ploughing could be used except on clay soils.
Intervention effect Reduced tillage spring incorporation of ryegrass often decreased barley yield.
Intervention effect Reduced tillage spring incorporation of red clover often decreased barley yield.
Intervention effect Incorporation timing had no consistent effect on oats grain yield in year three.

Associationauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Minimum temperature is likely to decrease yield variability.

Taxon: Aman ricee0
Treatment: minimum temperaturee0
Outcome: yield variabilitye0
Direction: decreasee0
Qualifier: likelye0

Verbatim

e0
“maximum temperature is risk-increasing for Aman rice while minimum temperature is likely to decrease yield variability”
✓ located verbatim in the source · abstract, characters 522–640

Title

Performance of rain-fed Aman rice yield in Bangladesh in the presence of climate change

Md. Abdur Rashid Sarker; Khorshed Alam; Jeff Gow Renewable Agriculture and Food Systems 2017. doi:10.1017/s1742170517000473

Other claims from this paper (7)

Association Maximum temperature changes had positive yield effects in the linear functional form.
Association Maximum temperature changes had negative yield effects in the quadratic functional form.
Association Maximum temperature increases Aman rice yield risk.
Association Rainfall has become risk-increasing for Aman rice.
Association Future climate change is projected to increase yield variability under three scenarios.
Association Climate-zone dummy variables were statistically significant.
Recommendation Zone-specific adaptation policies are required to reduce climate-change impacts.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors suggest ethephon may decrease grain yield without lodging.

Taxon: maizeZea mayst0
Outcome: decrease grain yielde0
Qualifier: in the absence of lodginge0

Verbatim

e0
“may decrease grain yield in the absence of lodging because of its potential deleterious effect on kernel number and growth”
✓ located verbatim in the source · abstract, characters 1708–1830

t0
“Maize”
✓ located verbatim in the source · title, characters 39–44

Title

Growth, Yield, and Yield Components of Maize as Influenced by Ethephon

W. J. Cox; H. F. Andrade Crop Science 1988. doi:10.2135/cropsci1988.0011183x002800030023x

Other claims from this paper (11)

Intervention effect Ethephon did not affect phytomass, NAR, or CGR in the dry 1985 season.
Intervention effect Ethephon reduced phytomass, NAR, and CGR in the wet 1986 season.
Association Plant density and hybrid did not influence growth response to ethephon.
Intervention effect Ethephon reduced lodging by 64%.
Intervention effect Ethephon had no overall effect on grain yield.
Intervention effect Ethephon increased Cornell 281 grain yield from 7.78 to 8.24 Mg ha −1.
Intervention effect Ethephon decreased Pioneer 3901 grain yield from 9.63 to 8.56 Mg ha −1.
Intervention effect Ethephon increased Cornell 281 kernel weight from 263 to 266 mg.
Intervention effect Ethephon decreased Pioneer 3901 kernel weight from 282 to 264 mg.
Intervention effect Ethephon significantly decreased kernels per ear in both hybrids from 494 to 474.
Recommendation The authors suggest ethephon may enhance maize yield where lodging is a problem.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Local tarom was the most cold-sensitive variety, with 29% yield decrease.

Taxon: riceOryza sativat0
Material: local tarom varietye0
Outcome: yield decreasee0
Direction: moste0
Value: 29%e0

Verbatim

e0
“the most sensitive one with most percentage of yield decrease (29%) was local tarom variety.”
✓ located verbatim in the source · abstract, characters 1547–1639

t0
“Rice Cultivars”
✓ located verbatim in the source · title, characters 62–76

Title

Temperature Effect on Yield and Yield Components of Different Rice Cultivars in Flowering Stage

R. Ghadirnezhad; A. Fallah International Journal of Agronomy 2014. doi:10.1155/2014/846707

Other claims from this paper (5)

Intervention effect Low temperature significantly affected panicle number.
Intervention effect Low temperature significantly affected panicle length.
Intervention effect Low temperature significantly affected numbers of full, empty and total grains.
Intervention effect Low temperature significantly reduced rice yield.
Observation Shirudi was the most cold-tolerant variety, with 19% yield decrease.

Observationobservedoriginal resultnegativeprojected

Claim · model-written summary

The largest projected alfalfa yield decrease is 9% in Siirt.

Taxon: alfalfaMedicago sativae1
Outcome: yielde0
Direction: decreasee0
Value: 9%e0
Setting: Siirte0

Verbatim

e0
“the maximum yield decrease will be noted in Siirt (9%)”
✓ located verbatim in the source · abstract, characters 1674–1728

e1
“Alfalfa yield for years 2020-2060”
✓ located verbatim in the source · abstract, characters 1019–1052

Title

Estimation of Alfalfa (Medicago sativa l.) yield under RCP4.5 and RCP8.5 climate change projections with ANN in Turkey

MuhammetAli Pekin; NurdanSahin Demirbag; KhalidMahmood Khawar; et al. MAUSAM 2023. doi:10.54302/mausam.v74i3.5598

Other claims from this paper (5)

Method / resource The ANN calculated alfalfa yield with a coefficient of determination of 0.827.
Method / resource The ANN calculated alfalfa yield with a Nash-Sutcliff coefficient of 0.813.
Association Projected alfalfa yield increases where precipitation increases.
Association Projected alfalfa yield decreases where precipitation decreases.
Observation The largest projected alfalfa yield increase is 6% in Artvin.

Recommendationauthor interpretationoriginal resultmeasured

Claim · model-written summary

A concomitant decrease in autumn plant height may not affect autumn yield.

Taxon: AlfalfaMedicago sativat0
Outcome: autumn yielde0

Verbatim

e0
“A concomitant decrease in autumn plant height may not affect autumn yield”
✓ located verbatim in the source · abstract, characters 1567–1640

t0
“Alfalfa”
✓ located verbatim in the source · title, characters 41–48

Title

Improving Winter Hardiness in Nondormant Alfalfa Germplasm

Mindy A. Weishaar; E. Charles Brummer; Jeffrey J. Volenec; et al. Crop Science 2005. doi:10.2135/cropsci2005.0060

Other claims from this paper (6)

Associationobservedoriginal resultnegativesimulated

Claim · model-written summary

Yield decrease was associated with shorter growth duration together with increasing temperature.

Taxon: riceOryza sativae0
Treatment: increasing temperaturee7
Outcome: Decrease in yielde7
Direction: Decreasee7
Qualifier: lowering growth duratione7

Verbatim

e0
“impact of climate change on rice production”
✓ located verbatim in the source · abstract, characters 529–572

e7
“Decrease in yield were mainly associated with lowering growth duration along with increasing temperature”
✓ located verbatim in the source · abstract, characters 2152–2256

Title

Modeling the sensitivity of CERES-Rice model: An experience of Nepal

A Lamsal; LP Amgai; A Giri Agronomy Journal of Nepal 2013. doi:10.3126/ajn.v3i0.8982

Other claims from this paper (15)

Method / resource The CSM-CERES-Rice model had an RMSE of 747.35 kg/ha for grain yield.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.793 for grain yield.
Method / resource The CSM-CERES-Rice model had an RMSE of 1.106 days for anthesis.
Method / resource The CSM-CERES-Rice model had an RMSE of 2.58 days for maturity.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.99 for anthesis and maturity.
Method / resource The CSM-CERES-Rice model had an RMSE of 0.004 kg/ha for individual grain weight.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.633 for individual grain weight.
Intervention effect Under decreasing climatic scenarios, simulated Prithivi yield increased by 62%.
Intervention effect Under decreasing climatic scenarios, simulated Masuli yield increased by 41%.
Intervention effect Under decreasing climatic scenarios, simulated Sunaulo Sugandha yield increased by 42%.
Intervention effect Under increasing climate change scenarios, simulated Prithivi yield declined by 80%.
Intervention effect Under increasing climate change scenarios, simulated Masuli yield declined by 46%.
Intervention effect Under increasing climate change scenarios, simulated Sunaulo Sugandha yield declined by 40%.
Association Temperature was the most sensitive factor for simulated rice yield potential compared with other factors.
Association Hybrid rice showed more vulnerability to climate change than the other cultivars.

Associationobservedreview summarybasis n/a

Claim · model-written summary

Breeding for high protein (above 48%) enhances a decrease in oil and yield.

Taxon: soybeansGlycine maxt0
Treatment: breed for high protein (above 48%)e0
Outcome: oil and yielde0
Direction: decreasee0

Verbatim

t0
“soybeans”
✓ located verbatim in the source · title, characters 34–42

e0
“To breed for high protein (above 48%) enhances a decrease in oil and yield”
✓ located verbatim in the source · abstract, characters 834–908

Title

Production and nutritive value of soybeans.

A Lam-Sánchez PubMed 1978

Other claims from this paper (10)

Observation World soybean production has been increasing at 5.2% per year.
Observation Average world soybean yield is around 1,400 kg/ha.
Observation Brazil, the third largest producer, has had a yearly rate of soybean production increase of 32% in recent years.
Observation Average soybean yields in Brazil are low, around 1,500 kg/ha.
Observation In experimental results, soybean yields over 3,000 kg/ha have been obtained.
Association Protein and oil contents of soybean are highly negatively correlated.
Observation New soybean varieties containing 43% protein with a good yielding capacity have been developed.
Observation Methionine content of soybean varies from 1.0 to 1.6% g/16g N.
Association Methionine in the protein is correlated (0.56 to 0.58) with protein in the seed.
Intervention effect The effect of trypsin inhibitors on methionine availability or utilization can be eliminated by heat.

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“yield decrease”

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