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“yield decrease”

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Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude moderate thinning and girdling can improve berry weight and composition without severe yield loss.

Taxon: Ruby Seedlesse0
Outcome: moderate thinning and girdling at fruitsete0
Qualifier: without a severe decrease in yield per vinee0

Verbatim

e0
“This study demonstrated that moderate thinning and girdling at fruitset could improve Ruby Seedless berry weight and composition without a severe decrease in yield per vine.”
✓ located verbatim in the source · abstract, characters 680–853

Title

The effects of thinning and girdling on leaf water potential, growth and fruit composition of Ruby Seedless grapevines

Aziz Ezzahouani; Larry E. Williams OENO One 2001. doi:10.20870/oeno-one.2001.35.2.985

Other claims from this paper (8)

Intervention effect Girdling raised leaf water potential relative to controls.
Intervention effect Thinning increased shoot length and pruning weight.
Intervention effect Girdling increased berry weight by 7 percent.
Intervention effect Thinning increased berry weight by 14 percent.
Intervention effect Combining girdling and thinning gave the greatest berry weight, 28 percent.
Intervention effect Girdling significantly decreased titratable acidity.
Intervention effect Girdling enhanced fruit coloration.
Intervention effect Severe thinning significantly decreased yield per vine.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The use of a reference plot is recommended to decrease the influence of factors other than N on test results.

Taxon: broccoliBrassica oleracea var. italicat0
Outcome: use of a reference plote1
Qualifier: to decrease the influence of factors other than N affecting test resultse1

Verbatim

t0
“in broccoli”
✓ located verbatim in the source · title, characters 204–215

e1
“The use of a reference plot is recommended to decrease the influence of factors other than N affecting test results”
✓ located verbatim in the source · abstract, characters 1524–1639

Title

Effect of irrigation and nitrogen treatments on yield, quality, plant nitrogen uptake and soil nitrogen status and the evaluation of sap test, SPAD chlorophyll meter and Dualex to monitor nitrogen status in broccoli

Rickard Mellgren Epsilon Archive for Student Projects (University of Southampton) 2008

Other claims from this paper (14)

Association Marketable yield of broccoli increased with nitrogen up to 165 kg N/ha, where the response plateaued.
Observation Hollow stem was the only disorder related to N application in broccoli.
Observation The number of broccoli heads affected by hollow stem was very low.
Observation Hollow stem occurred only in treatments receiving more than 165 kg N/ha.
Association Plant N uptake in broccoli was strongly affected by nitrogen application.
Association Irrigation had a large effect on plant N uptake in broccoli at harvest.
Mechanism The difference in N uptake is explained by leaching early in the season and denitrification during the season.
Association The risk of leaching is critical when precipitation and/or irrigation is above field capacity.
Method / resource The sap test showed the largest effect among different N applications.
Method / resource The sap test showed the largest variability among different N applications.
Method / resource The SPAD chlorophyll meter was very sensitive to differences in nitrogen application.
Method / resource The Dualex showed the best relationship with plant N uptake in broccoli.
Method / resource The Dualex quickly showed differences among N applications.
Method / resource The Dualex showed a good correlation with yield in broccoli.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Planting early should effectively decrease lesser cornstalk borer abundance in conventionally tilled and reduced-tillage peanuts.

Taxon: peanutsArachis hypogaeae1
Interactor: lesser cornstalk borere1pest
Outcome: planting earlye1
Qualifier: should effectively decrease lesser cornstalk borer abundance in conventionally tilled and reduced-tillagee1

Verbatim

e0
“in ‘Florunner’ peanuts (Arachis hypogaea L.) was examined in a 2-yr replicated field experiment”
✓ located verbatim in the source · abstract, characters 83–178

e1
“planting early should effectively decrease lesser cornstalk borer abundance in conventionally tilled and reduced-tillage peanuts”
✓ located verbatim in the source · abstract, characters 1161–1289

Title

Effects of Two Planting Dates and Three Tillage Systems on the Abundance of Lesser Cornstalk Borer (Lepidoptera: Pyralidae), Other Selected Insects, and Yield in Peanut Fields

T. P. Mack; C. B. Backman Journal of Economic Entomology 1990. doi:10.1093/jee/83.3.1034

Other claims from this paper (10)

Association Lesser cornstalk borer counts in peanut fields were significantly greater in 1986 than in 1987.
Association Carabid counts in peanut fields were significantly greater in 1986 than in 1987.
Association Elaterid counts in peanut fields were greater in 1987.
Association Labidurid counts in peanut fields were greater in 1987.
Intervention effect Late-planted peanuts captured approximately 1.9 times more lesser cornstalk borers in traps than the other planting date.
Intervention effect Planting date did not affect labidurid abundance in peanut fields.
Intervention effect Carabids were more abundant in late-planted peanuts in 1987.
Intervention effect Planting date did not affect carabid abundance in 1986.
Intervention effect Planting date did not affect carabid abundance when data from both years were combined.
Intervention effect Tillage system did not affect the abundance of any of the insects monitored in either year.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Decreasing nitrogen loss was identified as an effective way to improve economic benefits.

Taxon: RiceOryza sativat0
Outcome: decrease of nitrogen losse0

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 0–4

e0
“Precision application of fertilizer and decrease of nitrogen loss were effective ways to improve economic benefits”
✓ located verbatim in the source · abstract, characters 171–285

Title

Rice Yield Without Nitrogen Fertilizer Application

XU Jin-bu North Rice 2011

Other claims from this paper (2)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend water and fertilizer regulation at booting to increase florets and decrease secondary branch degradation under saline-sodic conditions.

Taxon: Changbai9e0
Outcome: water and fertilizer regulatione0
Qualifier: booting stage under saline-sodic environmentse0

Verbatim

e0
“water and fertilizer regulation was more important to increase number of florets on panicle and decrease degradation of secondary branches at Changbai9 booting stage under saline-sodic environments”
✓ located verbatim in the source · abstract, characters 543–740

Title

Effect of Soda Saline-sodic Stress on the Panicle Traits and Yield Components of Rice Variety Changbai 9

Zhichun Wang Acta Agriculturae Boreali-Sinica 2010

Other claims from this paper (3)

Intervention effect Soda saline-sodic stress significantly decreased secondary branches, their grains and their ripened grains.
Association Secondary branch number was considered the most important factor affecting single-panicle yield.
Intervention effect Saline-sodic stress significantly reduced Changbai9 yield because total spike number decreased.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors concluded that AMF inoculation may allow reduced potassium fertiliser use in potato.

Taxon: potatoSolanum tuberosume0
Treatment: AMF inoculatione0
Outcome: decrease potassium fertilizer levelse0
Direction: decreasee0

Verbatim

e0
“the AMF inoculation has a great potential to decrease potassium fertilizer levels in potato.”
✓ located verbatim in the source · abstract, characters 976–1068

Title

Effect of Arbuscular Mycorrhizal Fungus (AMF) Glomus intraradices with different potassium fertilizer levels on the tuber yield and size distribution of potato (Solanum tuberosum L.)

EKİN, Z.; DEMİR, S.; OĞUZ, F.; et al. DergiPark (Istanbul University) 2013

Other claims from this paper (5)

Intervention effect AMF inoculation, alone or with potassium, increased total potato tuber yield in both years.
Observation The GI+K treatment gave the highest potato tuber yield in 2007, at 3476,1 kg/da.
Observation The GI+K treatment gave the highest potato tuber yield in 2008, at 4354.4 kg/da.
Intervention effect AMF inoculation decreased the proportion of small potato tubers.
Intervention effect AMF inoculation increased the proportion of medium and large potato tubers.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggested more nitrogen application or more frequent top dressing to lessen the yield decline.

Outcome: increasing the ammout of nitrogen application or more frequent top-dressing of nitrogenous fertilizere0

Not reportedTaxon

Verbatim

e0
“This yield decrease could be lightened to some extent by increasing the ammout of nitrogen application or more frequent top-dressing of nitrogenous fertilizer”
✓ located verbatim in the source · abstract, characters 1797–1955

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : III. In Relation to the nitrogen supplying potentiality of soil

Yoshimasa UEMURA; Akira MIYASAKA Japanese Journal of Crop Science 1974. doi:10.1626/jcs.43.174

Other claims from this paper (5)

Recommendationobservedoriginal resultpositivebasis n/a

Claim · model-written summary

S1 could lower potassium fertilizer application by 10.2% compared with S0.

Taxon: maizeZea mayse0
Outcome: potassium fertilizer application ratee0
Direction: decreasee0
Value: 10.2%e0
Comparator: S0e0

Verbatim

e0
“Compared to S0, S1 can decrease potassium fertilizer application rate by 10.2% while increasing maize yield by 3.5%.”
✓ located verbatim in the source · abstract, characters 850–966

Title

Effects of potassium fertilizer and straw on maize yield, potassium utilization efficiency and soil potassium balance

Xiaowen Wang; Wenhe Hu; Xilin Ning; et al. Archives of Agronomy and Soil Science 2022. doi:10.1080/03650340.2022.2025997

Other claims from this paper (8)

Intervention effect Straw return increased maize yield by 2.9%~6.2% versus no return.
Intervention effect Straw return increased available soil K by 19.3%~37.4%.
Intervention effect Straw return raised agronomy efficiency by 7.3%~35.4%.
Intervention effect Straw return raised potassium surplus rate by 24.8%~84.7%.
Intervention effect Recovery efficiency and partial factor productivity were statistically identical under S0 and S1.
Observation At zero surplus, S1 required 87.9 kg ha−1 potassium fertilizer for soil K balance.
Observation At zero surplus, the corresponding maize yield under S1 was 12,424.6 kg ha−1.
Recommendation S1 could increase maize yield by 3.5% compared with S0.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

N source selection should account for residue, with less yield decrease potential for urea-based materials in soybean residue.

Taxon: cornZea mays subsp. mayse0
Outcome: N source selection for no‐tillage corn can be affected by residue conditionse0
Qualifier: less potential for decreased yields when urea‐based N materials are used in soybean residue conditionse0

Verbatim

e0
“N source selection for no‐tillage corn can be affected by residue conditions, with less potential for decreased yields when urea‐based N materials are used in soybean residue conditions.”
✓ located verbatim in the source · abstract, characters 977–1163

Title

Response of No‐Tillage Corn Grown in Corn and Soybean Residues to Several Nitrogen Fertilizer Sources¹

D. J. Eckert; W. A. Dick; J. W. Johnson Agronomy Journal 1986. doi:10.2134/agronj1986.00021962007800020003x

Other claims from this paper (5)

Intervention effect urea produced lower corn yields than ammonia in corn residue during both years.
Intervention effect urea produced equivalent corn yields than ammonia in soybean residue during both years.
Intervention effect Urea‐ammonium nitrate solution produced lower corn yields than ammonia in corn residue during both years.
Intervention effect Urea‐ammonium nitrate solution produced equal corn yields than ammonia in soybean residue during 1982.
Intervention effect Urea‐ammonium nitrate solution produced lower corn yields than ammonia in soybean residue during 1983.

Recommendationauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors recommend changes to production techniques to reduce water pollution while maintaining yield quantity and quality.

Taxon: snap beanse0
Outcome: appropriate changes in applied agricultural techniquese0
Qualifier: decrease water pollutione0

Verbatim

e0
“appropriate changes in applied agricultural techniques in the production of snap beans, which should be paid more attention to decrease water pollution caused by using the soil-applied herbicide without decreasing quantity and quality of yield.”
✓ located verbatim in the source · abstract, characters 1874–2118

Title

Correlation and path analysis of interaction between snap beans yield and its components with crop management

N. Shaban Trakia Journal of Sciences 2021. doi:10.15547/tjs.2021.01.014

Other claims from this paper (14)

Association Relative growth rate was positively correlated with net assimilation rate.
Association Relative growth rate was correlated with leaf area ratio (r = 0.614).
Association Leaf area ratio and root weight ratio were significantly correlated (r = 0. 0.837).
Association Leaf area ratio correlated positively with net assimilation rate (r = 0.508).
Association Fresh weight of pod per studied variant had a positive reported impact on yield (+++0.99).
Association Fresh weight of one pod had a positive reported impact on yield (+++0.77).
Association Fresh weight of pods per plant had a positive reported impact on yield (+++0.67).
Association Pod calcium content had a positive reported impact on yield (++0.57).
Association Pods per plant had a positive reported impact on yield (++0.51).
Association Pollen fertility had a positive reported impact on yield (++0.44).
Association Studied parameters accounted for 98.9% of variability in bean yield.
Association Nitrate content contributed 23.3% to yield.
Association Pods per kilogram contributed 21.31% to yield.
Association Weed presence had the strongest negative effect on yield (-0.64).

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