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“yield/plot”

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Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The rice yield of the crimson clover 2 + hairy vetch plot was not significantly different from the conventional practice plot.

Taxon: riceOryza sativae5
Treatment: CC 2 + hairy vetche5
Outcome: rice yielde5
Direction: not significantly differente5
Comparator: conventional practice plote5

Verbatim

e5
“The rice yield of CC 2 + hairy vetch $5kg\;10a^{-1}$ plot was not significantly different from conventional practice plot”
✓ located verbatim in the source · abstract, characters 2233–2354

Title

Effect of Monoculture and Mixtures of Green Manure Crimson Clover (Trifolium incarnatum) on Rice Growth and Yield in Paddy

Weon-Tai Jeon; Ki-Yeong Seong; Min-Tae Kim; et al. Korean Journal of Soil Science and Fertilizer 2011. doi:10.7745/kjssf.2011.44.5.847

Other claims from this paper (7)

Intervention effect The biomass and N production of crimson clover monoculture plots were lower than those of mixture plots.
Intervention effect Among mixture treatments, the crimson clover 2 + hairy vetch plot had the highest biomass and N production.
Intervention effect Soil ammonium nitrogen concentrations in the rice growing season tended to be a little higher at the crimson clover 2 + hairy vetch plot.
Intervention effect Soil bulk density and porosity were improved at the mixture plot after rice harvesting.
Intervention effect Rice yield after crimson clover monoculture was significantly lower than the conventional yield of 522 kg per 10 a.
Intervention effect In crimson clover monoculture, weed (Poa annua, dukse-pul) occurrence was greater than in mixtures.
Recommendation The authors concluded that cropping crimson clover with hairy vetch was better than with barley for environmentally friendly rice cultivation.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Whole plot planting and fertilization treatments generally did not differ significantly in corn grain yield.

Taxon: CornZea mays subsp. mayst0
Treatment: Whole plot treatmentse0
Outcome: grain yielde0
Direction: did not differe0
Comparator: Whole plot treatmentse0

Verbatim

t0
“Corn”
✓ located verbatim in the source · title, characters 63–67

e0
“Whole plot treatments generally did not differ significantly in grain yield.”
✓ located verbatim in the source · abstract, characters 1269–1345

Title

Planting Method and Fertilization Timing Effects on Ridge-Till Corn

Keith A. Kohler; Mohammadreza Ghaffarzadeh; Richard M. Cruse UNI ScholarWorks (University of Northern Iowa) 1999

Other claims from this paper (3)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Within-plot seed-size variation did not affect total grain yield.

Taxon: spring wheatTriticum aestivumt0
Treatment: variation in seed size within a plote0
Outcome: total grain yield per plote0
Direction: no impacte0

Not reportedComparator

Verbatim

t0
“spring wheat”
✓ located verbatim in the source · title, characters 104–116

e0
“variation in seed size within a plot had no impact on total grain yield per plot”
✓ located verbatim in the source · abstract, characters 1462–1542

Title

Effect of variations in seed size and planting depth on emergence, infertile plants, and grain yield of spring wheat

Y. Gan; E. H. Stobbe Canadian Journal of Plant Science 1995. doi:10.4141/cjps95-098

Other claims from this paper (12)

Intervention effect Within-row variation in seed size did not affect percentage emergence.
Intervention effect Within-row variation in planting depth did not affect percentage emergence.
Intervention effect Nonuniform planting depth increased infertile plants, mainly among late emergers.
Observation Mainstem grain yield was relatively uniform among individual plants.
Observation Tiller grain yield was highly variable among individual plants.
Intervention effect Small-seeded plants at 75 mm yielded 34% less tiller grain than neighboring large-seeded plants.
Intervention effect Large-seeded plants in mixed-size plots had 10% higher tiller yield than those in uniform large-seed plots.
Intervention effect Deep-seeded plants in variable-depth plots yielded only 20% of neighboring shallow-seeded plants.
Intervention effect Deep-seeded plants in variable-depth plots yielded only 26% of plants in uniform deep plots.
Intervention effect Within-plot planting-depth variation increased infertile plants by up to 158%.
Intervention effect Within-plot planting-depth variation decreased grain yield.
Recommendation The authors recommend uniform, shallow planting depth to maximize wheat grain yield.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Dacia yield did not differ significantly in that plot.

Taxon: APRICOT TREEPrunus armeniacat0
Material: Daciae0
Treatment: some plote0
Outcome: yielde0

Not reportedComparatorDirection

Verbatim

t0
“APRICOT TREE”
✓ located verbatim in the source · title, characters 67–79

e0
“Dacia variety, in the some plot had nesignificanthy differences concerning yield”
✓ located verbatim in the source · abstract, characters 624–704

Title

RESEARCHES REGARDING CUTTING IN GREEN INFLUENCE UPON YIELD AT SOME APRICOT TREE VARIETIES CULTIVATED AT S. D. TIMISOARA

A. Ghiţă Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Horticulture 2008. doi:10.15835/buasvmcn-hort:846

Other claims from this paper (11)

Observation Litoral in the uncut treatment yielded 30,7 kg per tree in 2006.
Observation Mamaia yielded 40,4 kg per tree after cutting on 15 June in 2006.
Intervention effect Most varieties showed significantly different yield from control after cutting on 15 June.
Observation Mamaia, Sulina and Olimp were the most productive in 2006.
Observation Traian uncut on 25 May had relative yield of 102,5 %.
Observation Sulina cut on 15 June had relative yield of 125,6 %.
Observation Dacia uncut in the 15 June variant yielded 10,4 t/ha in 2007.
Observation Cutting on 15 June was the best cutting variant for yield.
Intervention effect Most varieties had significantly positive yield differences under 15 June cutting versus uncut.
Intervention effect Green cutting increased yield relative to uncut treatment, but effects were not spectacular.
Recommendation The authors recommend replacing dry cuttings with green cuttings.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Increasing plot length from 6.10 to 15.25m did not negate the end-of-plot yield effect.

Taxon: soybeanGlycine maxe0
Treatment: increasing plot length from 6.10 to 15.25me0
Outcome: end‐of‐plot effect on yielde0
Direction: did not negatee0

Not reportedComparator

Verbatim

e0
“increasing plot length from 6.10 to 15.25m and decreasing alley width from 2.45 to 0.90 m did not negate the end‐of‐plot effect on yield of soybean grown in nonirrigated field plots”
✓ located verbatim in the source · abstract, characters 1306–1487

Title

Response of Nonirrigated Maturity Group V Determinate Soybean to End‐Trimming

Larry G. Heatherly; Jeffrey. M. Tyler Crop Science 1998. doi:10.2135/cropsci1998.0011183x003800010046x

Other claims from this paper (8)

Observation The three soybean cultivars responded similarly in yield to all tested factors.
Association End-trim length was the only factor with a significant effect on average soybean yield.
Observation Untrimmed plots yielded 2573k g ha −1 on average.
Intervention effect Trimming 0.45 m produced an average yield of 2356k g ha −1.
Intervention effect Trimming 0.90 m produced an average yield of 2 337k g ha −1.
Intervention effect Decreasing alley width from 2.45 to 0.90 m did not negate the end-of-plot yield effect.
Recommendation The authors recommend end trimming soybean plots within the tested dimensions to eliminate end-of-plot effects.
Recommendation The authors recommend 6.1-m plots and 0.90-m alleys to conserve field space.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Fall 1983 BA application did not change total yield per plot.

Taxon: ‘Redchief Strawberryt0
Treatment: BA applied in Fall 1983e0
Outcome: total yield/plote0
Direction: no effecte0

Not reportedComparator

Verbatim

e0
“BA applied in Fall 1983 had no effect on total yield/plot”
✓ located verbatim in the source · abstract, characters 602–659

t0
“‘Redchief Strawberry”
✓ located verbatim in the source · title, characters 36–56

Title

Effect of BA on Growth and Yield of ‘Redchief Strawberry

Douglas D. Archbold; John G. Strang HortScience 1986. doi:10.21273/hortsci.21.6.1377

Other claims from this paper (10)

Intervention effect The 1982 BA treatments did not change crowns per area, side branches per crown, total yield, or mean fruit weight.
Association Increasing BA concentration significantly reduced mean crown dry weight.
Intervention effect Fall 1983 BA application altered harvest distribution.
Intervention effect BA applied on 1 October reduced early yield compared with other application dates.
Intervention effect Single BA application reduced early yield relative to control.
Intervention effect Multiple BA applications reduced early yield relative to control, with three applications causing the largest reduction.
Intervention effect Multiple BA applications in 1984 reduced mean fruit weight on early harvest dates.
Intervention effect BA increased flower number.
Observation The extra flowers had poor fruit set.
Association The extra flowers did not significantly increase yield.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Orienting corn seed at planting did not show a plot-level yield advantage.

Taxon: cornZea mays subsp. mayse4
Treatment: orienting corn seed at plantinge4
Outcome: plot level yielde4
Direction: did not show an advantagee4

Not reportedComparator

Verbatim

e4
“The plot level yield did not show an advantage to orienting corn seed at planting”
✓ located verbatim in the source · abstract, characters 716–797

Title

Evaluation of Corn Seed Orientation

Randal K Taylor; Adrian A Koller; Arzu Yazgi; et al. 2015 ASABE International Meeting 2015. doi:10.13031/aim.20152134331

Other claims from this paper (8)

Intervention effect Corn leaf angles under the 0 and +/-30 degree seed orientations were less than under the +/-90 degree orientation.
Intervention effect Corn leaf angles under the 0 and +/-30 degree seed orientations were similar.
Recommendation The authors infer that some level of seed placement error is acceptable for mechanically planted corn seed.
Intervention effect Seeding rate had a significant yield effect at two locations in corn.
Intervention effect The by-plant regression showed some potential yield advantage from orienting corn seed at planting.
Observation Seed and leaf angle parameter estimates in the by-plant regression are in direct conflict.
Observation More than 40 percent of the corn seed angle values were 0 degrees.
Intervention effect The estimated yield benefit from corn leaf angles perpendicular to the row is similar to that from previous research.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Plant density did not change soybean plot yield.

Taxon: soybeanGlycine maxt0
Treatment: Plant densitye0
Outcome: plot yieldse0
Direction: did not influencee0

Not reportedComparator

Verbatim

e0
“Plant density did not influence plot yields but did affect yield components of injured and uninjured plants.”
✓ located verbatim in the source · abstract, characters 787–895

t0
“soybean, Glycine max (L.) Merr.”
✓ located verbatim in the source · abstract, characters 269–300

Title

Soybean Yield Responses and Intraspecific Competition from Simulated Seedcorn Maggot Injury

Leon G. Higley; Larry P. Pedigo Agronomy Journal 1991. doi:10.2134/agronj1991.00021962008300010031x

Other claims from this paper (8)

Intervention effect Plant density affected yield components of injured and uninjured soybean.
Association Injured plant proportion affected plot yield in 1983 and 1984.
Association Injured plant proportion did not affect plot yield in 1985 or 1986.
Observation Uninjured soybean competed more strongly than injured soybean.
Mechanism Competition from uninjured plants reduced injured soybean yield.
Mechanism Competition appeared to increase shading of injured soybean.
Mechanism Competition appeared to reduce assimilate availability of injured soybean.
Method / resource Replacement series design was effective for describing competition after insect injury.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Yield ranking was generally unaffected by plot border type.

Taxon: barleyHordeum vulgaret0
Treatment: type of plot bordere0
Outcome: ranking of the different genotypese0
Direction: not influencede0

Not reportedComparator

Verbatim

e0
“the ranking of the different genotypes was not influenced by the type of plot border”
✓ located verbatim in the source · abstract, characters 370–454

t0
“BARLEY”
✓ located verbatim in the source · title, characters 52–58

Title

EFFECT OF DIFFERENT PLOT BORDERS ON GRAIN YIELDS IN BARLEY AND WHEAT

K. W. MAY; R. J. MORRISON Canadian Journal of Plant Science 1986. doi:10.4141/cjps86-006

Other claims from this paper (3)

Association Plot yields rose as border competition fell.
Intervention effect A highly competitive barley border changed wheat genotype yield ranking.
Recommendation The authors conclude border type matters little for yield selection if the border is no more competitive than the plot.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The damage in Plot A was about equal to the damage in Plot D.

Taxon: tobaccoNicotiana tabacumt0
Treatment: Plot Ae1
Outcome: damagee1
Direction: about equale1
Comparator: Plot De1

Verbatim

t0
“Effects of tobacco/cucumber mosaic disease on the yield and quality of tobacco”
✓ located verbatim in the source · title, characters 0–78

e1
“The damage in Plot A was about equal to that in Plot D”
✓ located verbatim in the source · abstract, characters 1036–1090

Title

Effects of tobacco/cucumber mosaic disease on the yield and quality of tobacco

Yukiharu KASHIHARA; Zyun HIDAKA Japanese Journal of Phytopathology 1962. doi:10.3186/jjphytopath.27.143

Other claims from this paper (19)

Intervention effect Inoculation in Plot A reduced tobacco yield by 30% compared with the untreated check plot.
Intervention effect Inoculation in Plot B reduced tobacco yield by 55% compared with the untreated check plot.
Intervention effect Inoculation in Plot C reduced tobacco yield by 5% compared with the untreated check plot.
Intervention effect Inoculation in Plot D reduced tobacco yield by 36% compared with the untreated check plot.
Intervention effect Inoculation in Plot E reduced tobacco yield by 20% compared with the untreated check plot.
Intervention effect Inoculation in Plot A reduced tobacco quality by 30% compared with the untreated check plot.
Intervention effect Inoculation in Plot B reduced tobacco quality by 39% compared with the untreated check plot.
Intervention effect Inoculation in Plot C reduced tobacco quality by 41% compared with the untreated check plot.
Intervention effect Inoculation in Plot D reduced tobacco quality by 24% compared with the untreated check plot.
Intervention effect Inoculation in Plot E reduced tobacco quality by 0% compared with the untreated check plot.
Intervention effect Inoculation in Plot A reduced tobacco value per unit acreage by 51% compared with the untreated check plot.
Intervention effect Inoculation in Plot B reduced tobacco value per unit acreage by 71% compared with the untreated check plot.
Intervention effect Inoculation in Plot C reduced tobacco value per unit acreage by 74% compared with the untreated check plot.
Intervention effect Inoculation in Plot D reduced tobacco value per unit acreage by 51% compared with the untreated check plot.
Intervention effect Inoculation in Plot E reduced tobacco value per unit acreage by 18% compared with the untreated check plot.
Intervention effect Damage was most severe in Plots B and C and relatively small in Plot E.
Association Tobacco/cucumber mosaic disease losses in earnings were about equal to those of tobacco mosaic disease.
Observation Tobacco/cucumber mosaic disease affects tobacco yield rather than quality.
Recommendation Damage from tobacco/cucumber mosaic disease may be estimated accurately from the time of infection if weather is taken into account.

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“yield/plot”

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