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“yield decrease”

19,998 matches

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plus 31 earlier · 1910s–1940s

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Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Hwayeongbyeo yield decrease at low nitrogen was not significant.

Taxon: RiceOryza sativat0
Material: Hwayeongbyeoe0
Outcome: yielde0
Direction: decreasee0
Comparator: 11 kg/10a N-fertilizer treatmente0

Not reportedTreatment

Verbatim

e0
“the decrease in yield was not significant in Surabyeo and Hwayeongbyeo compared with the 11 kg/10a N-fertilizer treatment”
✓ located verbatim in the source · abstract, characters 449–570

t0
“on Rice Growth”
✓ located verbatim in the source · title, characters 26–40

Title

Effect of N-fertilization on Rice Growth and Quality of Milled Rice

Se‐Jong Kim; Jong‐Gun Won; Duok-Jong Ahn; et al. The Korean Journal of Crop Science 2006

Other claims from this paper (6)

Observation Five named varieties yielded over 470 kg/10a.
Intervention effect Low nitrogen reduced Junambyeo yield by over 10%.
Intervention effect Low nitrogen reduced Donganbyeo yield by over 10%.
Intervention effect Surabyeo yield decrease at low nitrogen was not significant.
Observation Some varieties showed improved grain quality, chemistry and palatability.
Recommendation Six named varieties were selected as promising low nitrogen rice varieties.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Both infections tended to decrease yield.

Taxon: potatoSolanum tuberosumt0
Treatment: Infection by S. turgidiscabiese0
Interactor: S. turgidiscabiesStreptomyces turgidiscabiese0pathogen
Second interactor: S. scabiesStreptomyces scabieie0pathogen
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Infection by S. turgidiscabies and S. scabies delayed emergence, had the tendency to decrease the yield”
✓ located verbatim in the source · abstract, characters 846–949

t0
“potato”
✓ located verbatim in the source · title, characters 13–19

Title

Responses of potato cultivars to the common scab pathogens, Streptomyces scabies and S. turgidiscabies

L H HILTUNEN; A WECKMAN; A YLHÄINEN; et al. Annals of Applied Biology 2005. doi:10.1111/j.1744-7348.2005.040083.x

Other claims from this paper (7)

Intervention effect S. turgidiscabies caused superficial, raised and pitted lesions on all three cultivars.
Observation The two pathogens produced similar symptoms across cultivars.
Intervention effect S. turgidiscabies infection delayed emergence.
Intervention effect S. scabies infection delayed emergence.
Intervention effect Both infections increased the proportion of small tubers.
Association Matilda and Bellona had higher common scab incidence than Sabina.
Association Matilda and Bellona had more severe scab symptoms than Sabina.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

All PSII associated chlorophyll pools experienced the decrease in triplet yield.

Taxon: Physcomitrella patensPhyscomitrium patenst0
Outcome: ³Chl* yielde0
Direction: decreasee0
Qualifier: all the Chl pools associated with PSIIe0

Verbatim

e0
“The decrease in ³Chl* yield is equally experienced by all the Chl pools associated with PSII”
✓ located verbatim in the source · abstract, characters 875–967

t0
“Physcomitrella patens”
✓ located verbatim in the source · title, characters 71–92

Title

NPQ activation reduces chlorophyll triplet state formation in the moss Physcomitrella patens Bioenergetics

Donatella Carbonera; Caterina Gerotto; Bianca Posocco; et al. Biochimica et Biophysica Acta 2012

Other claims from this paper (5)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Small red beans showed a slight decrease in genetic yield trend.

Taxon: small red beanse0
Outcome: yielde1
Direction: slight decreasee0

Verbatim

e0
“navy beans and small red beans show a slight decrease”
✓ located verbatim in the source · abstract, characters 1498–1551

e1
“positive trend in yield for black beans”
✓ located verbatim in the source · abstract, characters 1451–1490

Title

A retrospective analysis of historical data of multi‐environment trials for dry bean (Phaseolus vulgaris L.) in Michigan

Leonardo Volpato; Evan M. Wright; Scott Bales; et al. Crop Science 2024. doi:10.1002/csc2.21184

Other claims from this paper (5)

Method / resource The GEI biplot and model identified and classified mega-environments for commercial bean testing.
Method / resource Multiple-trait performance selection gave positive results.
Observation Early maturing genotypes showed limited gains under multiple-trait selection.
Observation Black beans showed a positive genetic trend in yield.
Observation Navy beans showed a slight decrease in genetic yield trend.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

An unventilated, unenriched tomato house suffered a 13% yield decrease

Taxon: tomatoesSolanum lycopersicume1
Treatment: unenrichede3
Outcome: yielde3
Direction: decreasee3
Value: 13e3

Not reportedComparator

Verbatim

e1
“The yield of 2 crops of tomatoes ( Lycopersicon esculentum Mill. cv. Tropic) was determined in CO 2 enriched, unventilated and conventionally ventilated greenhouses”
✓ located verbatim in the source · abstract, characters 9–173

e3
“An unventilated, unenriched house suffered a 13% yield decrease”
✓ located verbatim in the source · abstract, characters 749–812

Title

Tomato Yields from CO2-enrichment in Unventilated and Conventionally Ventilated Greenhouses1

B. A. Kimball; S. T. Mitchell Journal of the American Society for Horticultural Science 1979. doi:10.21273/jashs.104.4.515

Other claims from this paper (11)

Intervention effect Unventilated houses enriched with 650 μl CO2/liter had 17% greater tomato yield than the control
Intervention effect Unventilated houses enriched with 1000 μl CO2/liter had 48% greater tomato yield than the control
Observation The ventilated control house yielded 8.58 kg/plant in the first spring crop
Observation The control house yielded 8.48 kg/plant in the second winter crop at standard nutrient level
Observation The control house yielded 9.70 kg/plant in the second winter crop at high nutrient level
Intervention effect Unventilated houses at standard nutrient level yielded 64% more than the control at 1000 μl CO2/liter
Intervention effect Unventilated houses at standard nutrient level yielded 63% more than the control at 1350 μl CO2/liter
Intervention effect Unventilated houses at high nutrient level yielded 35% more than the control at 1000 μl CO2/liter
Intervention effect Unventilated houses at high nutrient level yielded 37% more than the control at 1350 μl CO2/liter
Intervention effect A ventilated house enriched to 1000 μl/liter when cooling was not required yielded 8% more than the control at standard nutrient level
Intervention effect A ventilated house enriched to 1000 μl/liter when cooling was not required yielded 10% more than the control at high nutrient level

Associationobservedoriginal resultnegativeprojected

Claim · model-written summary

Warming predicted a cotton yield decrease of 1.4% per decade.

Treatment: temperature increasee0
Outcome: yielde0
Direction: decreasee0
Value: 1.4% decade -1e0
Setting: Xinjiange0

Not reportedTaxon

Verbatim

e0
“predicted yield decrease of 1.4% decade -1 in Xinjiang due to a significant temperature increase of 0.37°C decade -1”
✓ located verbatim in the source · abstract, characters 1280–1396

Title

APSIM-cotton model calibration for phenology-driven sowing and yield optimization in drip irrigated arid climate

Adnan Arshad; Yue Zhang; Pengzhong Zhang; et al. Smart Agricultural Technology 2025. doi:10.1016/j.atech.2025.101325

Other claims from this paper (13)

Method / resource Model sowing to emergence error was ±2.7 days.
Method / resource Model sowing to squaring error was ±5.3 days.
Method / resource Model squaring to flowering error was ±6.6 days.
Method / resource Model flowering to boll open error was ±3.8.
Method / resource Model boll open to maturity error was ±4.8 days.
Observation Temperature increased by 0.37°C per decade.
Association Interannual temperature variability influenced cotton growth and yield most among climate factors.
Intervention effect Simulated sowing dates extended the growth period and improved resource optimization.
Association Sowing to emergence shortened by 3.14 days per degree of warming.
Association Emergence to flowering shortened by 2.15 days per degree of warming.
Association Flowering to boll open shortened by 2.09 days per degree of warming.
Association Full crop maturity phase shortened by 1.17 days per degree of warming.
Recommendation The authors recommend cotton sowing from 15 to 25 April to increase yield.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing soybean frequency tended to decrease yield.

Taxon: SoybeanGlycine maxt0
Treatment: increase in frequency of soybean in the rotatione0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Severity of BSR tended to increase, and yield and seed weight of soybean tended to decrease with an increase in frequency of soybean in the rotation.”
✓ located verbatim in the source · abstract, characters 1232–1381

t0
“Soybean”
✓ located verbatim in the source · title, characters 74–81

Title

Tillage, Rotation Sequence, and Cultivar Influences on Brown Stem Rot and Soybean Yield

E. A. Adee; E. S. Oplinger; C. R. Grau jpa 1994. doi:10.2134/jpa1994.0341

Other claims from this paper (19)

Intervention effect BSR severity was 38% greater under NT than CT.
Intervention effect Soybean yield was 10% less under NT than CT.
Intervention effect In annual alternation, BSR severity was 30% greater under NT.
Intervention effect In annual alternation, yield was 15% lower under NT.
Intervention effect First year soybean after corn had less severity of BSR than annually alternated soybean.
Intervention effect First year soybean after corn had greater yield than annually alternated soybean.
Intervention effect First year soybean after corn had greater seed weight than annually alternated soybean.
Intervention effect Increasing soybean frequency tended to increase Severity of BSR.
Intervention effect Increasing soybean frequency tended to decrease seed weight.
Intervention effect Corsoy 79 had greater Severity of BSR than BSR 101.
Intervention effect Corsoy 79 had less yield than BSR 101.
Intervention effect Corsoy 79 had lower seed weight than BSR 101.
Intervention effect BSR 101 severity was 90% below Corsoy 79.
Intervention effect BSR 101 severity did not differ between NT and CT.
Intervention effect BSR 101 yield was 5% less in NT than CT.
Intervention effect BSR 101 yield was 24% higher than Corsoy 79.
Intervention effect NT reduced seed weight versus CT.
Intervention effect NT increased lodging versus CT.
Recommendation BSR resistant cultivars can reduce the adverse interaction of tillage and rotation.

Associationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Full season maize hybrids showed a nonsignificant yield decrease with maturity.

Taxon: MaizeZea mayst0
Material: full season hybridse0
Outcome: grain yielde0
Direction: decreasee0

Verbatim

e0
“non-significant decrease in grain yield with relative maturity in full season hybrids”
✓ located verbatim in the source · abstract, characters 1045–1130

t0
“Maize (Zea mays L.) Hybrids”
✓ located verbatim in the source · title, characters 58–85

Title

Relationship between Relative Maturity and Grain Yield of Maize (Zea mays L.) Hybrids in Northwest New Mexico for the 2003–2019 Period

Koffi Djaman; Curtis Owen; Margaret M. West; et al. Agriculture 2020. doi:10.3390/agriculture10070290

Other claims from this paper (3)

Association Early season maize hybrids showed a nonsignificant yield increase with maturity.
Observation Relative maturity 100–110 produced reasonably high grain yield.
Recommendation The authors recommend considering maturity 100–110 in northwest New Mexico.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Cutting did not significantly decrease stock plant yield.

Taxon: white potatot0
Treatment: after cuttinge0
Outcome: plant yielde0
Direction: no significant decreasee0

Not reportedComparator

Verbatim

e0
“Importantly, stock plants showed no significant decrease in plant yield after cutting.”
✓ located verbatim in the source · abstract, characters 1058–1144

t0
“white potato (Solanum tuberosum L.)”
✓ located verbatim in the source · title, characters 44–79

Title

Growth and yield of apical stem cuttings of white potato (Solanum tuberosum L.) derived from disease-free G₀ plants

A. Nikmatullah; I. Ramadhan; M. Sarjan Journal of Applied Horticulture 2018. doi:10.37855/jah.2018.v20i02.25

Other claims from this paper (7)

Intervention effect Three node apical cuttings treated with 1 ppm IAA had the highest survival rate.
Intervention effect Cuttings from two to three week old mother plants showed the best growth.
Intervention effect Low spacing and higher NPK dose increased plant height and individual leaf area.
Intervention effect At 20 x 20 cm spacing and 40 g/plot fertilizer, tuber number and weight per plant were higher.
Intervention effect Higher plant density produced smaller tubers.
Intervention effect Close spacing with higher fertilizer doses gave the highest yield per unit area.
Recommendation Authors conclude that apical cuttings can accelerate and improve G1 seed tuber mass production.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

A one percent increase in March deviation corresponded to a 5.6 unit decrease in maize yield.

Taxon: maizeZea mayse0
Treatment: March deviatione0
Outcome: yield of maizee0
Direction: decreasee0
Value: 5.6 unite0
Qualifier: 1 per cent increasee0

Verbatim

e0
“1 per cent increase in March deviation leads to 5.6 unit decrease in yield of maize”
✓ located verbatim in the source · abstract, characters 991–1074

Title

Effect of Pre-monsoon Rainfall on Maize Yield in Manipur

N. Laitonjam, Economic Affairs 2018. doi:10.30954/0424-2513.2.2018.17

Other claims from this paper (4)

Method / resource The log-lin model was selected as the best maize yield model by the stated criteria.
Association Time trend had a positive significant effect on maize yield.
Association March rainfall deviation had a negative significant effect on maize yield.
Recommendation The authors recommend planting a drought-tolerant maize variety in the study area.

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