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Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Sulphur dioxide did not decrease alfalfa yield under any of the conditions studied.

Taxon
alfalfaMedicago sativae0
Treatment
sulphur dioxide treatmente0
Outcome
yield of alfalfae0
Direction
no_changeinferrede0
Qualifier
under none of the conditions studiede0

Not reportedComparator

Verbatim

e0

“Under none of the conditions studied did sulphur dioxide treatment decrease the yield of alfalfa”

✓ located verbatim in the source · abstract, characters 419–515

Title

Effect of low concentrations of sulphur dioxide on yield of alfalfa and cruciferae

C. Setterstrom; P. W. Zimmerman; William Crocker OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) 1938

Other claims from this paper (9)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Caterpillar borers attacking sugarcane canes during growth cause a decrease in sugar yield.

Taxon
Sugarcanee0
Organ / stage
jointse3
Interactor
caterpillar borerse2pest
Outcome
yield of sugare3
Direction
decreasee3

Verbatim

e0

“Sugarcane is no more free from the attentions of insect-pests”

✓ located verbatim in the source · abstract, characters 0–61
e2

“The shoots are liable to attack by, at least, three kinds of caterpillar borers, which kill them outright”

✓ located verbatim in the source · abstract, characters 286–391
e3

“These borers may also attack the joints of canes during their growth and cause a decrease in the yield of sugar”

✓ located verbatim in the source · abstract, characters 393–504

Title

SUGAR-CANE INSECTS IN SOUTH INDIA

Government Entomologist Coimbatore; RAO SAHIB RAMACHANDRA RAO Y Madras Agricultural Journal 1930. doi:10.29321/maj.10.a01480

Other claims from this paper (6)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Each additional inch of rain caused a greater average wheat yield decrease in 1854–77 than across 1854–1918.

Treatment
manured solely in the autumne0
Outcome
yielde0
Direction
greatere0
Comparator
1854–1918e0
Setting
Rothamsted Experimental Station, Harpendent0

Verbatim

e0

“In the years 1854–77, when plots were manured solely in the autumn, the average decrease in yield caused by each additional inch of rain is greater than the average decrease from 1854–1918”

✓ located verbatim in the source · abstract, characters 167–355
t0

“wheat at Rothamsted Experimental Station, Harpenden”

✓ located verbatim in the source · title, characters 69–120

Title

A comparison of the effect of rainfall on spring- and autumn-dressed wheat at Rothamsted Experimental Station, Harpenden (With Five Text-figures.)

“Alumnus” The Journal of Agricultural Science 1932. doi:10.1017/s0021859600053120

Other claims from this paper (1)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Yield decrease under leaf rust was due more to lower kernel weight than to fewer kernels per head

Taxon
Thatcher and Renown wheate0
Treatment
leaf ruste1
Outcome
The decrease in yielde4
Direction
due more toe4
Qualifier
reduction in kernel weighte4

Verbatim

e0

“A study was made at Winnipeg in 1938 to determine the effect of leaf rust on the yield and quality of Thatcher and Renown wheat”

✓ located verbatim in the source · abstract, characters 0–127
e4

“The decrease in yield was due more to reduction in kernel weight than to reduction in number of kernels per head”

✓ located verbatim in the source · abstract, characters 619–731
e1

“In the 1/400-acre plots, leaf rust reduced the yield of Thatcher and Renown by 51.17 and 29.61%, respectively”

✓ located verbatim in the source · abstract, characters 442–551

Title

THE EFFECT OF LEAF RUST ON THE YIELD AND QUALITY OF THATCHER AND RENOWN WHEAT IN 1938

B. Peturson; Margaret Newton Canadian Journal of Research/Canadian journal of research 1939. doi:10.1139/cjr39c-038

Other claims from this paper (7)
Associationobservedoriginal resultmeasured

Claim · model-written summary

The nitrogen percentage of barley grain showed a progressive decrease not explained by rainfall, sowing date or yield.

Organ / stage
barley graint0
Outcome
percentage of nitrogene5
Direction
decreasee5
Qualifier
cannot be accounted for by changes in any of the above factorse5

Verbatim

t0

“the barley grain of Hoosfield”

✓ located verbatim in the source · title, characters 50–79
e5

“there is a progressive decrease in the percentage of nitrogen which cannot be accounted for by changes in any of the above factors, and which may well be due to varietal improvement”

✓ located verbatim in the source · abstract, characters 390–571

Title

Factors influencing the percentage of nitrogen in the barley grain of Hoosfield

F. Yates; D. J. Watson The Journal of Agricultural Science 1939. doi:10.1017/s0021859600052175

Other claims from this paper (3)
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The yield decrease from sulphate of ammonia is ascribed to more lodging and a greater incidence of foot rot.

Outcome
reduction in yielde2
Qualifier
more lodging and greater incidence ofe4

Verbatim

e1

“study the effect of the time of application of sulphate of ammonia to autumn-sown wheat”

✓ located verbatim in the source · abstract, characters 74–161
e2

“in those three cases sulphate of ammonia decreased yield, irrespective of time of application; the reduction in yield was of the order of 10 per cent”

✓ located verbatim in the source · abstract, characters 269–418
e4

“is ascribed to more lodging and greater incidence of”

✓ located verbatim in the source · abstract, characters 424–476

Title

Investigations in crop husbandry. III. Effect of time of application of sulphate of ammonia to wheat

F. H. Garner; H. G. Sanders The Journal of Agricultural Science 1936. doi:10.1017/s0021859600022012

Other claims from this paper (4)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under severe drought, leaf and stalk injury reduced yield less than in normal seasons.

Treatment
leaf and stalk injuriese0
Outcome
yielde0
Direction
did not result in as great a decreasee0
Comparator
normal seasonse0

Verbatim

e0

“Severe drouth in 1930 caused moisture to become the limiting factor so that leaf and stalk injuries did not result in as great a decrease in yield as in normal seasons”

✓ located verbatim in the source · abstract, characters 2452–2619
t0

“corn plant”

✓ located verbatim in the source · title, characters 75–85

Title

The effect of injury in imitation of hail damage on the development of the corn plant

J. C. Eldredge Iowa State University Digital Repository (Iowa State University) 1935

Other claims from this paper (19)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Another barley variety showed decreased thousand-grain weight.

Treatment
low-temperature grain pre-treatmentt1
Outcome
1000-grain weighte2
Direction
decreasee0

Not reportedComparator

Verbatim

e0

“one being unaffected, another showing a decrease, while the third showed an increase.”

✓ located verbatim in the source · abstract, characters 1326–1411
t0

“wheat and barley”

✓ located verbatim in the source · title, characters 107–123
t1

“low-temperature grain pre-treatment”

✓ located verbatim in the source · title, characters 14–49
e2

“Only one wheat variety showed an increase in 1000-grain weight”

✓ located verbatim in the source · abstract, characters 1051–1113

Title

The effect of low-temperature grain pre-treatment on the development, yield and grain of some varieties of wheat and barley

G. D. H. Bell The Journal of Agricultural Science 1937. doi:10.1017/s0021859600051674

Other claims from this paper (17)
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Plant age and the amount of supplied nutrients had no effect on the alfalfa yield response to sulphur dioxide.

Taxon
alfalfaMedicago sativae0
Treatment
amount of supplied nutrientse1
Outcome
yield response to the gas treatmente1
Direction
no effecte1
Qualifier
Age of plants and the amount of supplied nutrientse1

Verbatim

e0

“Under none of the conditions studied did sulphur dioxide treatment decrease the yield of alfalfa”

✓ located verbatim in the source · abstract, characters 419–515
e1

“Age of plants and the amount of supplied nutrients had no effect on the yield response to the gas treatment”

✓ located verbatim in the source · abstract, characters 798–905

Title

Effect of low concentrations of sulphur dioxide on yield of alfalfa and cruciferae

C. Setterstrom; P. W. Zimmerman; William Crocker OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) 1938

Other claims from this paper (9)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tuscan wheat depressed the yield characters of the lines it was blended with, compared with those lines grown alone.

Material
Tuscane0
Treatment
with which it was blendede4
Outcome
yield characters of the linese4
Direction
decreaseinferrede4
Comparator
when grown by themselvese5

Verbatim

t0

“New Zealand wheat”

✓ located verbatim in the source · title, characters 35–52
e0

“a blend of Tuscan wheat with a high quality line”

✓ located verbatim in the source · abstract, characters 35–83
e4

“Tuscan demonstrated its aggressiveness by depressing in every case the yield characters of the lines with which it was blended”

✓ located verbatim in the source · abstract, characters 855–981
e5

“The yield characters of the components of blends were compared with their yield characters when grown by themselves”

✓ located verbatim in the source · abstract, characters 513–628

Title

Analytical yield investigations on New Zealand wheat: IV. Blending varieties of wheat

O. H. Frankel The Journal of Agricultural Science 1939. doi:10.1017/s0021859600051777

Other claims from this paper (4)

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