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“yield decrease”

4 matches

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plus 1 non-evaluative

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1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

plus 3 earlier · 1910s

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Training laterals increased yield by reducing inferior-grade flowers.

Taxon: Hopt0
Treatment: training lateral branchese1
Outcome: yielde0
Direction: heightenede0
Qualifier: decrease in the number of flowers of inferior gradee0

Not reportedComparator

Verbatim

e0
“the yield was heightened through the decrease in the number of flowers of inferior grade.”
✓ located verbatim in the source · abstract, characters 1755–1844

t0
“Hop”
✓ located verbatim in the source · title, characters 118–121

e1
“The output of cone was increased by training lateral branches, while the yield was heightened through the decrease in the number of flowers of inferior grade.”
✓ located verbatim in the source · abstract, characters 1686–1844

Title

STUDIES ON THE METHODS OF CULTIVATION IN HOP-PLANT. : 1. Effect of Training the Laterals in Place of the Main Stem in Hop

T. MUROGA; Y. AONUMA Japanese Journal of Crop Science 1952. doi:10.1626/jcs.20.329

Other claims from this paper (8)

Intervention effect Stem nipping accelerated growth.
Intervention effect Nipping did not delay flowering or cone formation despite later lateral training.
Intervention effect Excessively delayed training of tertiary laterals caused early reproductive transition before adequate branch elongation.
Intervention effect Trained laterals had a slightly higher effective node percentage.
Intervention effect Nipping increased the effective node percentage on lower and middle laterals.
Intervention effect Training laterals increased cone output.
Intervention effect Lateral training did not degrade cone quality.
Intervention effect Lateral training did not decrease cone size.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Quinine ring content tended to decline with age after peaking in year six.

Taxon: Cinchona ledgerianaCinchona calisayat0
Organ / stage: dry barke0
Outcome: ring content of quininee0
Direction: decreasee0
Qualifier: after reaching a maximum in the sixth yeare0

Verbatim

e0
“The ring content of quinine (pure quinine in dry bark from samples cut 1 m. above the ground) showed a slight tendency to decrease with age, after reaching a maximum in the sixth year”
✓ located verbatim in the source · abstract, characters 1093–1276

t0
“Cinchona ledgeriana”
✓ located verbatim in the source · title, characters 51–70

Title

The effect of spacing and thinning on the yield of Cinchona ledgeriana.

K. Ebes Netherlands Journal of Agricultural Science 1953. doi:10.18174/njas.v1i1.17887

Other claims from this paper (9)

Observation Clone Tjib. 5 produced about 20% more than Tjin. 1.
Intervention effect Intermediate planting densities yielded less than the widest and closest densities.
Observation Yield differences across very different spacings were relatively small.
Intervention effect The densest stands had the greatest average quinine sulfate production.
Association Tree height was practically independent of spacing.
Association Tree girth was a function of spacing.
Intervention effect Close spacing produced slender trees and thin bark.
Intervention effect Relative bark thickness was not thinner under close spacing.
Recommendation Regular thinning and fertilization with close spacing was recommended for highest yield.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sprays decreased boxes of fruit size 252 and smaller by 19.8 per 100 trees.

Taxon: Valencia orangesCitrus sinensist0
Treatment: spraye0
Outcome: boxes of fruit size 252 and smallere0
Direction: decreasee0
Value: 19.8 boxese0

Not reportedComparator

Verbatim

e0
“As a result of the spray, there was a gain of 28.0 packed boxes of fruit size 220 and larger, and a decrease of 19.8 boxes of fruit size 252 and smaller, per 100 trees sprayed”
✓ located verbatim in the source · abstract, characters 964–1139

t0
“Valencia oranges”
✓ located verbatim in the source · title, characters 83–99

Title

Effects of 2,4-D and related substances on fruit-drop, yield, size, and quality of Valencia oranges

W. S. Stewart; H. Z. Hield; B. L. Brannaman Hilgardia 1952. doi:10.3733/hilg.v21n11p301

Other claims from this paper (7)

Intervention effect 2,4-D sprays reduced average Valencia orange fruit drop by 35.1 per cent.
Intervention effect Only 2,4-D significantly increased Valencia fruit size.
Intervention effect Only 2,4,5-T significantly increased Valencia fruit size.
Intervention effect Sprays increased packed boxes of fruit size 220 and larger by 28.0 per 100 trees.
Mechanism Larger fruit under 2,4-D resulted from increased growth rate.
Association Older fruits appeared less responsive to 2,4-D.
Recommendation The authors suggest increasing 2,4-D concentration over the 16-week period after flowering.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sprays increased packed boxes of fruit size 220 and larger by 28.0 per 100 trees.

Taxon: Valencia orangesCitrus sinensist0
Treatment: spraye0
Outcome: packed boxes of fruit size 220 and largere0
Direction: gaine0
Value: 28.0 packed boxese0

Not reportedComparator

Verbatim

e0
“As a result of the spray, there was a gain of 28.0 packed boxes of fruit size 220 and larger, and a decrease of 19.8 boxes of fruit size 252 and smaller, per 100 trees sprayed”
✓ located verbatim in the source · abstract, characters 964–1139

t0
“Valencia oranges”
✓ located verbatim in the source · title, characters 83–99

Title

Effects of 2,4-D and related substances on fruit-drop, yield, size, and quality of Valencia oranges

W. S. Stewart; H. Z. Hield; B. L. Brannaman Hilgardia 1952. doi:10.3733/hilg.v21n11p301

Other claims from this paper (7)

Intervention effect 2,4-D sprays reduced average Valencia orange fruit drop by 35.1 per cent.
Intervention effect Only 2,4-D significantly increased Valencia fruit size.
Intervention effect Only 2,4,5-T significantly increased Valencia fruit size.
Intervention effect Sprays decreased boxes of fruit size 252 and smaller by 19.8 per 100 trees.
Mechanism Larger fruit under 2,4-D resulted from increased growth rate.
Association Older fruits appeared less responsive to 2,4-D.
Recommendation The authors suggest increasing 2,4-D concentration over the 16-week period after flowering.

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