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“decrease in density”

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Organism groups follow NCBI Taxonomy: the spellings of one organism are merged, a claim naming several organisms sits in each group, and claims whose value names no organism are under “not stated”.

not stated 26

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Higher shrub density appeared to decrease ephemeral biomass productivity and density.

Taxon
ephemerale0
Interactor
shrube0other
Outcome
biGmass productivity and densitye0
Direction
decreasee0
Qualifier
appearse0

Verbatim

e0

“Higher shrub density associated with increased elevation appears to decrease both ephemeral biGmass productivity and density”

✓ located verbatim in the source · abstract, characters 141–265

Title

Productivity and Flowering of Winter Ephemerals in Relation to Sonoran Desert Shrubs

William L. Halvorson; Duncan T. Patten The American Midland Naturalist 1975. doi:10.2307/2424164

Other claims from this paper (5)
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Release of 1418 parasites/ha did not decrease sugarcane borer density.

Taxon
sugarcanee1
Treatment
Release of 1418 parasites/hae0
Interactor
Diatraea saccharalisDiatraea saccharalise1pest
Second interactor
Lixophaga diatraeaee2biocontrol_agent
Outcome
host densitye0
Direction
did not decreasee0

Not reportedComparator

Verbatim

e0

“Release of 1418 parasites/ha did not decrease host density.”

✓ located verbatim in the source · abstract, characters 359–418
e1

“sugarcane borer, Diatraea saccharalis (F.)”

✓ located verbatim in the source · abstract, characters 169–211
e2

“a tachinid parasite, Lixophaga diatraeae (Townsend)”

✓ located verbatim in the source · abstract, characters 18–69

Title

Potential of Lixophaga diatraeae for Control of Diatraeae saccharalis in Louisiana124

R. M. McPherson; S. D. Hensley Journal of Economic Entomology 1976. doi:10.1093/jee/69.2.215

Other claims from this paper (6)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Vine size and density decrease gradually upwards along the altitudinal gradation.

Taxon
vinese6
Treatment
altitudinal gradatione0
Outcome
size and density of vinese6
Direction
decreasee6

Verbatim

e0

“an exploratory study was made of altitudinal gradation between subantarctic or temperate rain forest (at higher elevations) and subtropical rain forest”

✓ located verbatim in the source · abstract, characters 60–211
e6

“the size and density of vines as well as leaf sizes of trees and vines decrease gradually upwards”

✓ located verbatim in the source · abstract, characters 1470–1567

Title

An altitudinal transect in rain forest in the Barrington Tops area, New South Wales

J. C. TURNER Australian Journal of Ecology 1976. doi:10.1111/j.1442-9993.1976.tb01104.x

Other claims from this paper (8)

Zea mays 7

Show all 7 →
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At the higher density, defoliating alternate plants decreased yield and grain number.

Taxon
MaizeZea mayse0
Treatment
alternate plants were defoliated in the higher densitye1
Outcome
yield and number of grainse1
Direction
decreasee1

Not reportedComparator

Verbatim

e0

“Maize was grown in two densities”

✓ located verbatim in the source · abstract, characters 8–40
e1

“though when alternate plants were defoliated in the higher density there was a substantial decrease in yield and number of grains in defoliated plants, which was largely offset by an increase in adjacent intact plants”

✓ located verbatim in the source · abstract, characters 415–632

Title

Effect of partial defoliation during the vegetative phase on subsequent growth and grain yield of maize

J. C. S. ALLISON; J. H. WILSON; J. H. WILLIAMS Annals of Applied Biology 1975. doi:10.1111/j.1744-7348.1975.tb01652.x

Other claims from this paper (16)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Selection appeared to decrease leaf size and ear weight.

Taxon
Zea mays L.Zea mayst0
Treatment
selectione0
Outcome
leaf size and ear weighte0
Direction
decreasede0

Verbatim

e0

“Both ear height and top height increased with selection, but leaf size and ear weight appeared to have decreased.”

✓ located verbatim in the source · abstract, characters 1287–1400
t0

“Effects of Population Density upon Agronomic Traits Associated with Genetic Increases in Yield of Zea mays L.1”

✓ located verbatim in the source · title, characters 0–110

Title

Effects of Population Density upon Agronomic Traits Associated with Genetic Increases in Yield of Zea mays L.1

R. H. Moll; E. J. Kamprath Agronomy Journal 1977. doi:10.2134/agronj1977.00021962006900010021x

Other claims from this paper (7)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Similar concentrations of methomyl decreased the density of the mitochondrial matrix in TMS maize mitochondria.

Taxon
maize (Zea mays L.)Zea mayse0
Material
Texas male-sterile (TMS) cytoplasme0
Treatment
methomyle2
Outcome
density of the mitochondrial matrixe2
Direction
a decreasee2

Not reportedComparator

Verbatim

e0

“Mitochondria isolated from etiolated Texas male-sterile (TMS) cytoplasm maize (Zea mays L.) seedlings were adversely affected by methomyl (Lannate, 90 wettable powder), while those isolated from normal-fertile seedlings were not”

✓ located verbatim in the source · abstract, characters 0–228
e2

“Similar concentrations of methomyl effected an inhibition of phosphorylation, an increase in the percentage of transmittance of light through mitochondrial suspensions, and a decrease in the density of the mitochondrial matrix”

✓ located verbatim in the source · abstract, characters 559–785

Title

Mitochondrial Heredity: A Determinant in the Toxic Response of Maize to the Insecticide Methomyl

David E. Koeppe; Julie K. Cox; Carl P. Malone Science 1978. doi:10.1126/science.201.4362.1227

Other claims from this paper (6)

Triticum aestivum 6

Show all 6 →
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

A third year without wheat gave no further wild oat density decrease.

Treatment
a third year without wheate0
Interactor
wild oatsAvenat0weed
Outcome
additional decreasee0
Direction
no additional decreasee0

Not reportedComparator

Verbatim

t0

“wild oats in wheat”

✓ located verbatim in the source · title, characters 15–33
e0

“a third year without wheat gave no additional decrease.”

✓ located verbatim in the source · abstract, characters 540–595

Title

The control of wild oats in wheat by winter fallowing and summer cropping

H. PHILPOTTS Weed Research 1975. doi:10.1111/j.1365-3180.1975.tb01128.x

Other claims from this paper (5)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Per-plant productivity decreased as density increased in each weed species.

Treatment
densitye0
Outcome
productivity per plante0
Direction
decreasee0

Verbatim

e0

“each weed species by its decrease in productivity per plant as its density increased”

✓ located verbatim in the source · abstract, characters 749–833
t0

“IN WHEAT”

✓ located verbatim in the source · title, characters 55–63

Title

COMPETITION OF SAPONARIA VACCARIA AND SINAPIS ARVENSIS IN WHEAT

J. F. ALEX Canadian Journal of Plant Science 1970. doi:10.4141/cjps70-072

Other claims from this paper (8)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Moisture increase in wheat decreased hectoliter weight and kernel density.

Taxon
Triticum aestivumTriticum aestivume0
Material
Hard red spring wheate0
Organ / stage
kernele1
Treatment
moisture increasee1
Outcome
hectoliter weight and kernel densitye1
Direction
decreasee1

Verbatim

e0

“Hard red spring wheat (Triticum aestivum) cultivars”

✓ located verbatim in the source · abstract, characters 0–51
e1

“A moisture increase in the wheat caused a decrease in hectoliter weight and kernel density”

✓ located verbatim in the source · abstract, characters 257–347

Title

WHEAT: RELATIONS BETWEEN SOME PHYSICAL AND CHEMICAL PROPERTIES

RUSSELL TKACHUK; F. D. KUZINA Canadian Journal of Plant Science 1979. doi:10.4141/cjps79-003

Other claims from this paper (4)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Higher plant density was associated with lower leaf number.

Treatment
plant densitye0
Outcome
leaf numbere0
Direction
decreasee0

Verbatim

e0

“Increase in plant density was accompanied by a decrease in leaf number”

✓ located verbatim in the source · abstract, characters 126–196
t0

“CORN”

✓ located verbatim in the source · title, characters 91–95

Title

EFFECTS OF PLANT DENSITY AND PLANTING DATE ON LEAF NUMBER AND SOME DEVELOPMENTAL EVENTS IN CORN

E. E. N. A. BONAPARTE; R. I. BRAWN Canadian Journal of Plant Science 1976. doi:10.4141/cjps76-109

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Higher density increased grain moisture at harvest.

Treatment
plant densitye1
Outcome
grain moisture at harveste0
Direction
increasee0

Verbatim

e0

“Increase in plant density was accompanied by a decrease in leaf number, an increase in the periods from planting to tassel emergence and mid-silk, and an increase in grain moisture at harvest”

✓ located verbatim in the source · abstract, characters 126–317
e1

“Increase in plant density was accompanied by a decrease in leaf number”

✓ located verbatim in the source · abstract, characters 126–196
t0

“CORN”

✓ located verbatim in the source · title, characters 91–95

Title

EFFECTS OF PLANT DENSITY AND PLANTING DATE ON LEAF NUMBER AND SOME DEVELOPMENTAL EVENTS IN CORN

E. E. N. A. BONAPARTE; R. I. BRAWN Canadian Journal of Plant Science 1976. doi:10.4141/cjps76-109

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Higher density lengthened planting-to-tassel emergence and planting-to-mid-silk periods.

Treatment
plant densitye0
Outcome
periods from planting to tassel emergence and mid-silke0
Direction
increasee0

Verbatim

e0

“Increase in plant density was accompanied by a decrease in leaf number, an increase in the periods from planting to tassel emergence and mid-silk”

✓ located verbatim in the source · abstract, characters 126–271
t0

“CORN”

✓ located verbatim in the source · title, characters 91–95

Title

EFFECTS OF PLANT DENSITY AND PLANTING DATE ON LEAF NUMBER AND SOME DEVELOPMENTAL EVENTS IN CORN

E. E. N. A. BONAPARTE; R. I. BRAWN Canadian Journal of Plant Science 1976. doi:10.4141/cjps76-109

Other claims from this paper (7)

Sorghum bicolor 5

Show all 5 →
Observationobservedoriginal resultmeasured

Claim · model-written summary

The root density decrease was greater for the senescent hybrid.

Taxon
Sorghum bicolorSorghum bicolore0
Material
senescent hybride3
Outcome
root densitye3
Direction
greater decreasee3

Verbatim

e0

“sorghum [ Sorghum bicolor (L.) Moench]”

✓ located verbatim in the source · abstract, characters 22–60
e3

“From week 11 (5 August) to week 13 (19 August), both hybrids decreased in root density with a greater decrease noted for the senescent hybrid”

✓ located verbatim in the source · abstract, characters 1367–1508

Title

Root Distribution Patterns of Two Hybrid Grain Sorghums Under Field Conditions1

R. E. Zartman; R. T. Woyewodzic Agronomy Journal 1979. doi:10.2134/agronj1979.00021962007100020025x

Other claims from this paper (6)
Associationobservedoriginal resultmeasured

Claim · model-written summary

The greater root density decrease of the senescent hybrid was reflected in a lesser grain yield.

Taxon
Sorghum bicolorSorghum bicolore0
Material
senescent hybride4
Outcome
grain yielde4
Direction
lessere4

Verbatim

e0

“sorghum [ Sorghum bicolor (L.) Moench]”

✓ located verbatim in the source · abstract, characters 22–60
e4

“The more dramatic decrease in density for the senescent hybrid was also reflected in a lesser grain yield”

✓ located verbatim in the source · abstract, characters 1510–1615

Title

Root Distribution Patterns of Two Hybrid Grain Sorghums Under Field Conditions1

R. E. Zartman; R. T. Woyewodzic Agronomy Journal 1979. doi:10.2134/agronj1979.00021962007100020025x

Other claims from this paper (6)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Root density of both hybrids decreased from week 11 to week 13.

Taxon
Sorghum bicolorSorghum bicolore0
Outcome
root densitye3
Direction
decreasede3
Qualifier
From week 11 (5 August) to week 13 (19 August)e3

Verbatim

e0

“sorghum [ Sorghum bicolor (L.) Moench]”

✓ located verbatim in the source · abstract, characters 22–60
e3

“From week 11 (5 August) to week 13 (19 August), both hybrids decreased in root density with a greater decrease noted for the senescent hybrid”

✓ located verbatim in the source · abstract, characters 1367–1508

Title

Root Distribution Patterns of Two Hybrid Grain Sorghums Under Field Conditions1

R. E. Zartman; R. T. Woyewodzic Agronomy Journal 1979. doi:10.2134/agronj1979.00021962007100020025x

Other claims from this paper (6)

Nicotiana tabacum 3

Show all 3 →
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors associated the one-third lower stomatal density of resistant varieties with resistance through reduced ozone-rich air entry.

Outcome
resistancee0
Value
one‐thirde0
Qualifier
reducing the amount of ozone‐rich air which can enter the leafe0

Verbatim

e0

“This decrease in stomate density by one‐third in resistant varieties is thought to be associated with resistance by reducing the amount of ozone‐rich air which can enter the leaf.”

✓ located verbatim in the source · abstract, characters 361–540
e1

“tobacco ( Nicotiana tabacum L.)”

✓ located verbatim in the source · abstract, characters 102–133

Title

Stomate Density and Size as Related to Ozone‐Induced Weather Fleck in Tobacco1

C. E. Dean Crop Science 1972. doi:10.2135/cropsci1972.0011183x001200040054x

Other claims from this paper (2)
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors suggest pollutant-induced permeability changes cause chloroplast dehydration and ultrastructural changes.

Organ / stage
chloroplastse0
Treatment
pollutantse0
Outcome
increase dehydration of the chloroplastse0
Qualifier
permeability changese0

Verbatim

e0

“The increase density of the stroma, formation of fibrils, and general decrease in volume is probably the result of an increase dehydration of the chloroplasts brought on by permeability changes induced by the pollutants.”

✓ located verbatim in the source · abstract, characters 1088–1308
e1

“tobacco (Nicotiana tabacum L.)”

✓ located verbatim in the source · abstract, characters 77–107

Title

Some effects of oxidant air pollutants (ozone and peroxyacetyl nitrate) on the ultrastructure of leaf tissues. [Phaseolus vulgaris; Nicotiana tabacum; Gossipyum hirsutum]

William W. Thomson; Elizabeth S. Swanson OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) 1972

Other claims from this paper (8)
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Resistant tobacco varieties averaged 25.4 stomates per mm 2 versus 37.4 in susceptible varieties.

Material
‘Florida 20’ and ‘C‐80’e0
Organ / stage
adaxial leaf surfacee0
Outcome
stomates per mm 2e0
Direction
decreaseinferrede0
Value
25.4 stomates per mm 2e0
Qualifier
37.4e0
Comparator
susceptible varietiese0

Verbatim

e0

“The resistant varieties ‘Florida 20’ and ‘C‐80’ averaged 25.4 stomates per mm 2 on the adaxial leaf surface, while the susceptible varieties ‘2612‐2,’ ‘2612‐3,’ and ‘Bel W‐3’ averaged 37.4.”

✓ located verbatim in the source · abstract, characters 171–360
e1

“tobacco ( Nicotiana tabacum L.)”

✓ located verbatim in the source · abstract, characters 102–133

Title

Stomate Density and Size as Related to Ozone‐Induced Weather Fleck in Tobacco1

C. E. Dean Crop Science 1972. doi:10.2135/cropsci1972.0011183x001200040054x

Other claims from this paper (2)

Oryza sativa 3

Show all 3 →
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Planthopper density showed a remarkable decrease in 1969 due to unknown factors, which caused little occurrence of rice stripe virus disease.

Interactor
planthoppere3pest
Second interactor
rice stripe virusTenuivirus oryzaclavataee3pathogen
Outcome
density of planthoppere3
Direction
decreasee3
Qualifier
due to unknown factorse3

Verbatim

e3

“In 1969, density of planthopper showed remarkable decrease due to unknown factors, which caused little occurrence of the rice stripe virus disease”

✓ located verbatim in the source · abstract, characters 302–448

Title

Recent trend of percentage of infective planthopper, Laodelphax striatellus (Fallén), transmitting the rice stripe virus, in Kyushu

Ryoiti KISIMOTO Kyushu Plant Protection Research 1971. doi:10.4241/kyubyochu.17.112

Other claims from this paper (3)
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Raising density from two to four or six transplants per hill significantly increased grain yield in all varieties except Jhona 349.

Treatment
4 and 6 transplants/hille0
Outcome
grain yielde0
Direction
highere0
Qualifier
except Jhona 349e0
Comparator
2e0

Verbatim

e0

“Increase in plant population from 2 to 4 and 6 transplants/hill resulted in significantly higher grain yield in all varieties except Jhona 349 where there was a decrease at 6 transplants/hill.”

✓ located verbatim in the source · abstract, characters 963–1155
t0

“Rice”

✓ located verbatim in the source · title, characters 15–19

Title

Performance of Rice Varieties in a Highly Saline Sodic Soil as Influenced by Plant Population

K. S. Dargan; I. P. Abrol; D. R. Bhumbla Agronomy Journal 1974. doi:10.2134/agronj1974.00021962006600020028x

Other claims from this paper (6)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Rice grain yield was lower with 81 stylo plants per square metre than in monoculture.

Treatment
grown with 81 stylo plants/m. 2e0
Interactor
styloStylosanthes guianensise0weed
Outcome
Rice grain yielde0
Direction
decreaseinferrede0
Value
63·4 gm./m. 2e0
Qualifier
98·4 gm./m. 2e0
Comparator
monoculturee0

Verbatim

e0

“Rice grain yield varied from 98·4 gm./m. 2 in monoculture to 63·4 gm./m. 2 when grown with 81 stylo plants/m. 2”

✓ located verbatim in the source · abstract, characters 258–369

Title

Undersowing Rice (Oryza sativa) with Stylosanthes guyanensis. I. Plant Density

H. M. Shelton; L. R. Humphreys Experimental Agriculture 1975. doi:10.1017/s0014479700006529

Other claims from this paper (3)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In two glasshouse experiments, sugarbeet root dry weight, as a percentage of the maximum, decreased with preplanting populations of Heterodera schachtii according to an exponential equation with a tolerance limit.

Interactor
Heterodera schachtiiHeterodera schachtiie0pest
Outcome
root dry weighte0
Direction
decreaseinferrede0
Setting
glasshousee0

Verbatim

e0

“In two glasshouse experiments, relations between sugarbeet root dry weight (y, expressed as a percentage of the maximum dry root weight), and preplanting populations of Heterodera schachtii”

✓ located verbatim in the source · abstract, characters 0–189

Title

The Relationship Between Population Density of Heterodera schachtii, Soil Temperature, and Sugarbeet Yields.

D A Cooke; I J Thomason PubMed 1979

Other claims from this paper (5)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In a field experiment in the Imperial Valley, sugarbeet root yield decreased with preplanting population of Heterodera schachtii as y = 100 (0.99886)^(Pi) - 100.

Outcome
root yielde0
Direction
decreaseinferrede0
Setting
Imperial Valleye0

Verbatim

e0

“In a field experiment in the Imperial Valley the relation between root yield (y) and P(i) was y = 100 (0.99886)(P(i) ) - 100, and the tolerance limit was 100 eggs/100 g soil”

✓ located verbatim in the source · abstract, characters 588–761
t0

“Sugarbeet”

✓ located verbatim in the source · title, characters 91–100

Title

The Relationship Between Population Density of Heterodera schachtii, Soil Temperature, and Sugarbeet Yields.

D A Cooke; I J Thomason PubMed 1979

Other claims from this paper (5)

Phaseolus vulgaris 2

Show all 2 →
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Yield per hectare generally increased as plant density increased.

Taxon
navy beans ( Phaseolus vulgaris L.)Phaseolus vulgarist0
Material
‘Sanilac’e0
Treatment
increasing plant densitye1
Outcome
Yield per hae1
Direction
increasede1

Verbatim

t0

“navy beans ( Phaseolus vulgaris L.)”

✓ located verbatim in the source · title, characters 80–115
e0

“Navy beans, cv. ‘Sanilac’, were grown in rows 0.2 m and 0.4 m apart, and at 48, 71, and 104 mm within rows.”

✓ located verbatim in the source · abstract, characters 0–107
e1

“Yield per ha generally increased with increasing plant density, especially with a decrease in row width”

✓ located verbatim in the source · abstract, characters 275–378

Title

Effects of plant population and row spacing on yield and components of yield of navy beans ( Phaseolus vulgaris L.)

D. S. Goulden New Zealand Journal of Crop and Horticultural Science 1976. doi:10.1080/03015521.1976.10425865

Other claims from this paper (4)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Narrower rows especially increased yield per hectare.

Taxon
navy beans ( Phaseolus vulgaris L.)Phaseolus vulgarist0
Material
‘Sanilac’e0
Treatment
a decrease in row widthe1
Outcome
Yield per hae1
Direction
increasede1

Not reportedComparator

Verbatim

t0

“navy beans ( Phaseolus vulgaris L.)”

✓ located verbatim in the source · title, characters 80–115
e0

“Navy beans, cv. ‘Sanilac’, were grown in rows 0.2 m and 0.4 m apart, and at 48, 71, and 104 mm within rows.”

✓ located verbatim in the source · abstract, characters 0–107
e1

“Yield per ha generally increased with increasing plant density, especially with a decrease in row width”

✓ located verbatim in the source · abstract, characters 275–378

Title

Effects of plant population and row spacing on yield and components of yield of navy beans ( Phaseolus vulgaris L.)

D. S. Goulden New Zealand Journal of Crop and Horticultural Science 1976. doi:10.1080/03015521.1976.10425865

Other claims from this paper (4)

Avena sativa 2

Show all 2 →
Observationobservedoriginal resultmeasured

Claim · model-written summary

Lower sowing norms reduced plant density.

Outcome
density of standing of plantse0
Direction
decreasee0

Verbatim

e0

“a decrease in the norms of sowing of oats leads to a decrease in the density of standing of plants”

✓ located verbatim in the source · abstract, characters 717–815

Title

OATS SEED APPLICATION RATE ON THE DRAINED LAND

Yu. I. Mitrofanov; О. N. Antsiferova; L. I. Petrova; et al. Vestnik of the Russian agricultural science 1970. doi:10.30850/vrsn/2018/3/56-59

Other claims from this paper (12)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Lower sowing norms reduced productive stem density.

Outcome
number of productive stems per unit areae0
Direction
decreasee0

Verbatim

e0

“a decrease in the norms of sowing of oats leads to a decrease in the density of standing of plants and the number of productive stems per unit area”

✓ located verbatim in the source · abstract, characters 717–864

Title

OATS SEED APPLICATION RATE ON THE DRAINED LAND

Yu. I. Mitrofanov; О. N. Antsiferova; L. I. Petrova; et al. Vestnik of the Russian agricultural science 1970. doi:10.30850/vrsn/2018/3/56-59

Other claims from this paper (12)

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