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“yield decrease”

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plus 178 non-evaluative

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plus 31 earlier · 1910s–1940s

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Initial sludge decreased red alder growth and yield.

Taxon: red aldere0
Treatment: initial sludge applicationse0
Outcome: Growth and yielde0
Direction: decreaseinferrede0

Not reportedComparator

Verbatim

e0
“Growth and yield of black cottonwood was increased by the initial sludge applications, but the reverse was true for red alder.”
✓ located verbatim in the source · abstract, characters 630–756

Title

Effects of irrigation, pulp mill sludge, and repeated coppicing on growth and yield of black cottonwood and red alder

Constance A. Harrington; Dean S. DeBell Canadian Journal of Forest Research 1984. doi:10.1139/x84-150

Other claims from this paper (11)

Observation Maximum black cottonwood yield was 13.8 t per hectare per year.
Observation Maximum red alder yield was 7.1 t per hectare per year.
Intervention effect Initial sludge increased black cottonwood growth and yield.
Intervention effect Initial irrigation had carryover yield effects for both species.
Observation Yields generally peaked at first or second coppice harvest.
Observation Red alder yields declined substantially between third and fourth harvests.
Observation Black cottonwood yields were more consistent between third and fourth harvests.
Observation Both species sprouted after all four harvests.
Association Rootstock mortality generally increased with each harvest.
Observation Red alder mortality after four harvests averaged 55–79%.
Observation Black cottonwood mortality ranged from 12 to 38%.

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

Sewage sludge fertilization tended to increase cotton lint yield in field trials.

Taxon: cottonGossypium hirsutume3
Treatment: sewage sludgee3
Outcome: lint yielde3
Direction: increasee3
Setting: Avra Valley, Arizonae0

Not reportedComparator

Verbatim

e0
“Three field experiments were conducted in Avra Valley, Arizona, in 1986”
✓ located verbatim in the source · abstract, characters 0–71

e3
“Fertilization of cotton with sewage sludge tended to increase lint yield and decrease lint quality”
✓ located verbatim in the source · abstract, characters 342–440

Title

Effects of Sewage Sludge on Cotton Lint Quality

Anil Day; Bruce Taylor; Ian L. Pepper; et al. UA Campus Repository (The University of Arizona) 1988

Other claims from this paper (4)

Intervention effect Cotton fertilized with sewage sludge had lint quality components similar to cotton fertilized with inorganic nitrogen in field trials in Avra Valley, Arizona.
Intervention effect Sewage sludge fertilization tended to decrease cotton lint quality in field trials.
Intervention effect Sewage sludge fertilization increased vegetative growth of cotton.
Intervention effect Sewage sludge fertilization delayed lint maturity of cotton.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Pt2 plants had similar grain yield to controls.

Taxon: rice plantsOryza sativat0
Outcome: grain yielde0
Direction: similare0
Comparator: controle0

Verbatim

e0
“com-pared with the control: slight inc.rease of the number panicles, slight decrease of the number of spikelets per panlcle and similar grain yield”
✓ located verbatim in the source · abstract, characters 710–857

t0
“rice plants”
✓ located verbatim in the source · title, characters 83–94

Title

Yielding ability and phenotypic traits in the selfed progeny of protoplast-derived rice plants.

Hisakazu OGURA; Junko KYOZUKA; Yasuyuki HAYASHI; et al. Ikushugaku zasshi 1989. doi:10.1270/jsbbs1951.39.47

Other claims from this paper (9)

Observation About 25% of Fujisaka 5 progeny were semilethal segregants.
Observation Pt2 plants had slightly more panicles than controls.
Observation Pt2 plants had slightly fewer spikelets per panicle than controls.
Observation Nipponbare progeny were phenotypically uniform and stable.
Observation Iwaimochi progeny were phenotypically uniform and stable.
Observation Nipponbare Pt2 culms were uniformly slightly shorter than controls.
Observation Iwaimochi Pt2 culms were uniformly slightly longer.
Observation Viable Fujisaka 5 Pt2 plants had considerably shorter culms than controls.
Observation Short culms in Fujisaka 5 Pt2 plants appear heritable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The high paclobutrazol rate decreased terminal growth.

Taxon: ‘Delicious’ Applest0
Treatment: high rate of PBe0
Outcome: terminal growthe0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in terminal growth, leaf size, fruit L/D ratio, fruit size, pedicel length, and fruit soluble solids were also observed with the high rate of PB.”
✓ located verbatim in the source · abstract, characters 280–436

t0
“‘Delicious’ Apples”
✓ located verbatim in the source · title, characters 94–112

Title

Effect of Paclobutrazol and Analogs on Growth, Yield, Fruit Quality, and Storage Potential of ‘Delicious’ Apples

Duane W. Greene Journal of the American Society for Horticultural Science 1986. doi:10.21273/jashs.111.3.328

Other claims from this paper (19)

Intervention effect Paclobutrazol increased apple flesh firmness at harvest.
Intervention effect Paclobutrazol reduced seed number at harvest.
Intervention effect Paclobutrazol reduced fruit size at harvest.
Intervention effect Flowering was unaffected the following year.
Intervention effect Fruit set increased the following year.
Intervention effect The high paclobutrazol rate decreased leaf size.
Intervention effect The high paclobutrazol rate decreased fruit L/D ratio.
Intervention effect The high paclobutrazol rate decreased fruit size.
Intervention effect The high paclobutrazol rate decreased pedicel length.
Intervention effect The high paclobutrazol rate decreased fruit soluble solids.
Intervention effect Paclobutrazol increased fruit flesh calcium.
Intervention effect Paclobutrazol increased total yield.
Intervention effect Paclobutrazol retarded fruit ripening.
Intervention effect Dichlorobutrazol did not change final terminal growth.
Intervention effect Dichlorobutrazol reduced L/D ratio in the following year.
Intervention effect Dichlorobutrazol reduced pedicel length in the following year.
Intervention effect Dichlorobutrazol reduced fruit size in the following year.
Intervention effect Paclobutrazol treated fruit retained flesh firmness after storage.
Intervention effect Paclobutrazol dramatically reduced senescent breakdown after storage.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The high paclobutrazol rate decreased leaf size.

Taxon: ‘Delicious’ Applest0
Treatment: high rate of PBe0
Outcome: leaf sizee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in terminal growth, leaf size, fruit L/D ratio, fruit size, pedicel length, and fruit soluble solids were also observed with the high rate of PB.”
✓ located verbatim in the source · abstract, characters 280–436

t0
“‘Delicious’ Apples”
✓ located verbatim in the source · title, characters 94–112

Title

Effect of Paclobutrazol and Analogs on Growth, Yield, Fruit Quality, and Storage Potential of ‘Delicious’ Apples

Duane W. Greene Journal of the American Society for Horticultural Science 1986. doi:10.21273/jashs.111.3.328

Other claims from this paper (19)

Intervention effect Paclobutrazol increased apple flesh firmness at harvest.
Intervention effect Paclobutrazol reduced seed number at harvest.
Intervention effect Paclobutrazol reduced fruit size at harvest.
Intervention effect Flowering was unaffected the following year.
Intervention effect Fruit set increased the following year.
Intervention effect The high paclobutrazol rate decreased terminal growth.
Intervention effect The high paclobutrazol rate decreased fruit L/D ratio.
Intervention effect The high paclobutrazol rate decreased fruit size.
Intervention effect The high paclobutrazol rate decreased pedicel length.
Intervention effect The high paclobutrazol rate decreased fruit soluble solids.
Intervention effect Paclobutrazol increased fruit flesh calcium.
Intervention effect Paclobutrazol increased total yield.
Intervention effect Paclobutrazol retarded fruit ripening.
Intervention effect Dichlorobutrazol did not change final terminal growth.
Intervention effect Dichlorobutrazol reduced L/D ratio in the following year.
Intervention effect Dichlorobutrazol reduced pedicel length in the following year.
Intervention effect Dichlorobutrazol reduced fruit size in the following year.
Intervention effect Paclobutrazol treated fruit retained flesh firmness after storage.
Intervention effect Paclobutrazol dramatically reduced senescent breakdown after storage.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The high paclobutrazol rate decreased fruit size.

Taxon: ‘Delicious’ Applest0
Treatment: high rate of PBe0
Outcome: fruit sizee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in terminal growth, leaf size, fruit L/D ratio, fruit size, pedicel length, and fruit soluble solids were also observed with the high rate of PB.”
✓ located verbatim in the source · abstract, characters 280–436

t0
“‘Delicious’ Apples”
✓ located verbatim in the source · title, characters 94–112

Title

Effect of Paclobutrazol and Analogs on Growth, Yield, Fruit Quality, and Storage Potential of ‘Delicious’ Apples

Duane W. Greene Journal of the American Society for Horticultural Science 1986. doi:10.21273/jashs.111.3.328

Other claims from this paper (19)

Intervention effect Paclobutrazol increased apple flesh firmness at harvest.
Intervention effect Paclobutrazol reduced seed number at harvest.
Intervention effect Paclobutrazol reduced fruit size at harvest.
Intervention effect Flowering was unaffected the following year.
Intervention effect Fruit set increased the following year.
Intervention effect The high paclobutrazol rate decreased terminal growth.
Intervention effect The high paclobutrazol rate decreased leaf size.
Intervention effect The high paclobutrazol rate decreased fruit L/D ratio.
Intervention effect The high paclobutrazol rate decreased pedicel length.
Intervention effect The high paclobutrazol rate decreased fruit soluble solids.
Intervention effect Paclobutrazol increased fruit flesh calcium.
Intervention effect Paclobutrazol increased total yield.
Intervention effect Paclobutrazol retarded fruit ripening.
Intervention effect Dichlorobutrazol did not change final terminal growth.
Intervention effect Dichlorobutrazol reduced L/D ratio in the following year.
Intervention effect Dichlorobutrazol reduced pedicel length in the following year.
Intervention effect Dichlorobutrazol reduced fruit size in the following year.
Intervention effect Paclobutrazol treated fruit retained flesh firmness after storage.
Intervention effect Paclobutrazol dramatically reduced senescent breakdown after storage.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The high paclobutrazol rate decreased pedicel length.

Taxon: ‘Delicious’ Applest0
Treatment: high rate of PBe0
Outcome: pedicel lengthe0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“A decrease in terminal growth, leaf size, fruit L/D ratio, fruit size, pedicel length, and fruit soluble solids were also observed with the high rate of PB.”
✓ located verbatim in the source · abstract, characters 280–436

t0
“‘Delicious’ Apples”
✓ located verbatim in the source · title, characters 94–112

Title

Effect of Paclobutrazol and Analogs on Growth, Yield, Fruit Quality, and Storage Potential of ‘Delicious’ Apples

Duane W. Greene Journal of the American Society for Horticultural Science 1986. doi:10.21273/jashs.111.3.328

Other claims from this paper (19)

Intervention effect Paclobutrazol increased apple flesh firmness at harvest.
Intervention effect Paclobutrazol reduced seed number at harvest.
Intervention effect Paclobutrazol reduced fruit size at harvest.
Intervention effect Flowering was unaffected the following year.
Intervention effect Fruit set increased the following year.
Intervention effect The high paclobutrazol rate decreased terminal growth.
Intervention effect The high paclobutrazol rate decreased leaf size.
Intervention effect The high paclobutrazol rate decreased fruit L/D ratio.
Intervention effect The high paclobutrazol rate decreased fruit size.
Intervention effect The high paclobutrazol rate decreased fruit soluble solids.
Intervention effect Paclobutrazol increased fruit flesh calcium.
Intervention effect Paclobutrazol increased total yield.
Intervention effect Paclobutrazol retarded fruit ripening.
Intervention effect Dichlorobutrazol did not change final terminal growth.
Intervention effect Dichlorobutrazol reduced L/D ratio in the following year.
Intervention effect Dichlorobutrazol reduced pedicel length in the following year.
Intervention effect Dichlorobutrazol reduced fruit size in the following year.
Intervention effect Paclobutrazol treated fruit retained flesh firmness after storage.
Intervention effect Paclobutrazol dramatically reduced senescent breakdown after storage.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Stem plus leaf dry weight fell 39% by commercial harvest.

Taxon: poppiest0
Organ / stage: stem plus leavese0
Outcome: dry weighte1
Direction: decreasee1
Value: 39%e0

Verbatim

e0
“for stem plus leaves 39%”
✓ located verbatim in the source · abstract, characters 775–799

e1
“this decrease between maximum dry weight and that at the time of commercial harvest (8 weeks after full bloom)”
✓ located verbatim in the source · abstract, characters 580–690

t0
“poppies (Papaver somniferumL.)”
✓ located verbatim in the source · title, characters 57–87

Title

The effect of time of harvest on the yield components of poppies (Papaver somniferumL.)

J. C. Laughlin The Journal of Agricultural Science 1980. doi:10.1017/s0021859600088067

Other claims from this paper (11)

Observation Total plant and non-seed component dry matter peaked 2–3 weeks after full bloom, then declined.
Observation Total plant dry weight fell 26% from its maximum to commercial harvest.
Observation Terminal capsule dry weight fell 37% by commercial harvest.
Observation Lateral capsule dry weight fell 15% by commercial harvest.
Observation Seed dry matter reached a maximum by four weeks after full bloom and remained constant.
Observation Capsule morphine concentration peaked at 1·1% six weeks after bloom.
Observation Capsule morphine concentration declined about 10% by dry harvest.
Observation Stem and leaf morphine concentration peaked at 0·1%.
Observation Stem and leaf morphine concentration halved by commercial harvest.
Observation Whole plant morphine yields were similar for harvests two to seven weeks after bloom.
Observation Whole plant harvest yielded about 50% more morphine than capsules alone at commercial harvest.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shading reduced the ratio of spikelets setting seed.

Taxon: Panicum maximumMegathyrsus maximust0
Treatment: shadedt1
Outcome: ratio of spikelets setting seede0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Reduction in seed yield was caused by a substantial decrease in the ratio of spikelets setting seed”
✓ located verbatim in the source · abstract, characters 518–617

t0
“Panicum maximum”
✓ located verbatim in the source · title, characters 63–78

t1
“Artificial swards of P. maximum cv. Gatton were shaded”
✓ located verbatim in the source · abstract, characters 0–54

Title

Influence of level and timing of shading on seed production in Panicum maximum cv. Gratton

PRPde Oliveira; LR Humphreys Australian Journal of Agricultural Research 1986. doi:10.1071/ar9860417

Other claims from this paper (12)

Intervention effect Shading did not significantly reduce shoot yield.
Intervention effect L54 shading reduced seed yield relative to control.
Intervention effect Continuous L25 shading yielded 4 g m-2 of seed.
Intervention effect Late L25 shading yielded 29 g m-2 of seed.
Intervention effect Shading reduced spikelets differentiated per primary branch.
Intervention effect Brief shading reduced seed setting after shade removal.
Intervention effect Early shading reduced seed setting after shade removal.
Intervention effect Shade slightly reduced 100-seed weight.
Intervention effect Shade slightly increased branch number per inflorescence.
Intervention effect Early shade delayed anthesis.
Recommendation Authors suggested high-radiation districts may have higher seed production potential.
Recommendation Authors recommend managing developmental phases for non-cloudy periods.

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“yield decrease”

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