Try:droughtFusariumnitrogen fertilizerArabidopsisseed germination

“yield decrease”

414 matches

Claim types

Direction of the findings

plus 26 non-evaluative

Over time

1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

plus 3 earlier · 1930s

Refine ·

More filters

Clear filters

Observationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Under supplemental lighting, the decline in carbon exchange was not significant in glasshouses.

Taxon: Tomato PlantsSolanum lycopersicumt0
Outcome: carbon exchange ratee0
Direction: decreasee0
Qualifier: under SLe0
Setting: glasshousese0

Verbatim

e0
“Conversely, the decrease in carbon exchange rate was not significant in D-poly houses and glasshouses under SL.”
✓ located verbatim in the source · abstract, characters 1785–1896

t0
“Tomato Plants”
✓ located verbatim in the source · title, characters 129–142

Title

Greenhouse Covering Materials and Supplemental Lighting Affect Growth, Yield, Photosynthesis, and Leaf Carbohydrate Synthesis of Tomato Plants

Badrane M. Erhioui; André Gosselin; Xiuming Hao; et al. Journal of the American Society for Horticultural Science 2002. doi:10.21273/jashs.127.5.819

Other claims from this paper (17)

Intervention effect D-poly houses increased tomato marketable yield by 15% to 16% over glasshouses.
Intervention effect D-poly houses increased tomato fruit number per area by 13% to 17% over glasshouses.
Intervention effect Under supplemental lighting, acrylic houses had similarly higher yield and fruit number than glasshouses.
Intervention effect Covering materials had no significant effect on tomato photosynthesis and leaf chlorophyll.
Intervention effect Supplemental lighting increased leaf number in glasshouses in March by 15%.
Intervention effect Supplemental lighting increased tomato marketable yield in acrylic houses by 23%.
Intervention effect Supplemental lighting increased leaf specific weight in all houses by 19% to 33%.
Intervention effect Supplemental lighting increased total chlorophyll in acrylic houses by 10% to 14%.
Intervention effect Supplemental lighting increased tomato photosynthetic rate in March in glasshouses by 22%.
Intervention effect Without supplemental lighting, tomato plants in acrylic houses were taller than those in glasshouses.
Intervention effect Neither greenhouse covers nor supplemental lighting affected dry matter allocation to tomato fruit.
Recommendation The authors suggest D-poly and acrylic houses with supplemental lighting for early tomato yield in southwestern Ontario.
Observation Without supplemental lighting, photosynthesis fell 18% in acrylic houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in D-poly houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in glasshouses after two months.
Observation Under supplemental lighting, the decline in carbon exchange was not significant in D-poly houses.
Mechanism The authors conclude that March leaf starch accumulation did not explain the observed photosynthetic decline.

Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Optimal interval fertigation did not statistically reduce fruit nutrition quality.

Taxon: CucumberCucumis sativust0
Treatment: optimal interval fertigatione0
Outcome: fruit nutrition qualitye0
Direction: did not statistically decreasee0
Comparator: conventional interval fertigatione0

Verbatim

e0
“the treatment optimal interval fertigation did not statistically decrease the economic yield and fruit nutrition quality of cucumber when compare to conventional interval fertigation”
✓ located verbatim in the source · abstract, characters 771–953

t0
“Cucumber (Cucumis sativus L.)”
✓ located verbatim in the source · title, characters 107–136

Title

Effect of Optimal Daily Fertigation on Migration of Water and Salt in Soil, Root Growth and Fruit Yield of Cucumber (Cucumis sativus L.) in Solar-Greenhouse

Xinshu Liang; Yinan Gao; Xiaoying Zhang; et al. PLoS ONE 2014. doi:10.1371/journal.pone.0086975

Other claims from this paper (10)

Intervention effect Optimal interval fertigation did not statistically reduce economic yield.
Intervention effect Optimal interval fertigation avoided soil inorganic nitrogen accumulation.
Intervention effect Optimal interval fertigation increased nitrogen partial factor productivity by 88% in early spring.
Intervention effect Optimal interval fertigation increased nitrogen partial factor productivity by 209% in autumn winter.
Intervention effect Optimal daily fertigation maintained stable surface soil water, conductivity and mineral nitrogen.
Intervention effect Optimal daily fertigation promoted fine cucumber root growth.
Intervention effect Optimal daily fertigation increased economic yield by 6.2% in early spring.
Intervention effect Optimal daily fertigation increased economic yield by 8.3% in autumn winter.
Intervention effect Optimal daily fertigation increased nitrogen partial factor productivity by 55% in early spring.
Intervention effect Optimal daily fertigation increased nitrogen partial factor productivity by 75% in autumn winter.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Treatment 2 did not significantly lower DM production relative to Treatment 1.

Taxon: ryegrass/clover pasturee1
Treatment: Treatment 2e0
Outcome: DM productione0
Direction: did not show a significant decreasee0
Comparator: Treatment 1e0

Verbatim

e0
“Compared with Treatment 1, Treatment 2 did not show a significant decrease in DM production”
✓ located verbatim in the source · abstract, characters 612–703

e1
“The growth of ryegrass/clover pasture”
✓ located verbatim in the source · abstract, characters 9–46

Title

Factors influencing the yield and feeding value of pasture grown for conservation

J. A. Browse; R. M. Haslemore; R. Thaine New Zealand Journal of Crop and Horticultural Science 1984. doi:10.1080/03015521.1984.10427782

Other claims from this paper (16)

Observation Dry matter yield increased during growth within treatments.
Association Digestibility declined as dry matter yield increased.
Association Crude protein content declined as dry matter yield increased.
Intervention effect Treatment 2 produced more stem material than Treatment 1.
Intervention effect Treatment 2 digestibility was 3–12 percentage units lower than Treatment 1.
Intervention effect Treatment 2 reduced digestible dry matter yield by 15–40% relative to Treatment 1 at equal digestibility.
Observation At 70% digestibility, Treatment 2 yielded 4.8 t DM/ha per year.
Observation At 70% digestibility, Treatment 1 yielded 6.3 t DM/ha per year.
Intervention effect Treatment 3 produced a more vegetative sward than Treatments 1 and 2.
Intervention effect Treatment 3 lowered DM production relative to Treatments 1 and 2.
Intervention effect Treatment 3 lowered DDM production relative to Treatments 1 and 2.
Intervention effect Treatment 3 and Treatment 1 had similar digestibility for most of 1980–81.
Observation Late flowering Cynosurus in Treatment 3 increased early stem material in 1981–82.
Observation Digestibility was reduced in the 1981–82 Treatment 3 sward.
Observation After about 40 days, floral development completion in Treatment 3 prevented further digestibility decline.
Recommendation Early closing and cutting are recommended for high-quality conserved crops.

Associationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

At low deficit, proline decreased slightly without statistical significance.

Taxon: Atriplex halimusAtriplex halimuse7
Treatment: low deficit levele0
Outcome: proline concentratione1
Direction: decreasee0

Verbatim

e0
“At low deficit level, there was a slight, but not significant, decrease in this trait.”
✓ located verbatim in the source · abstract, characters 957–1043

e1
“the proline concentration dramatically rose”
✓ located verbatim in the source · abstract, characters 873–916

e7
“Atriplex halimus as an axero-halophytic shrub”
✓ located verbatim in the source · abstract, characters 1069–1114

Title

Impact of potassium silicate on biomass yield and organic metabolites in Saltbush (Gtaff) under drought stress

Samira Soualem; Kouadria Rabiaa; Mostefai Khaldia; et al. Journal of Applied Horticulture 2024. doi:10.37855/jah.2024.v26i03.55

Other claims from this paper (8)

Intervention effect Severe deficit irrigation significantly decreased shoot dry and fresh biomass relative to control.
Intervention effect Moderate deficit irrigation stimulated saltbush growth.
Intervention effect Silicate treatments mitigated adverse effects of water deficit at a moderate level.
Association Decreasing water reduced leaf protein concentration.
Intervention effect Potassium silicate increased leaf protein concentration.
Intervention effect Potassium silicate increased leaf proline accumulation, especially at higher deficit.
Association Under potassium silicate, greater stress markedly raised proline concentration.
Recommendation The authors propose Atriplex halimus for animal feed and rehabilitation of water deficit affected land.

Intervention effectobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Combined Zn and Mn fertilizers decreased tuber P percentage without significance.

Taxon: PotatoSolanum tuberosumt0
Treatment: Zinc and manganese Fertilizers togethere0
Outcome: P percentagee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Zinc and manganese Fertilizers together increased Zn and Mn percentage and decrease P percentage in tubers, that they no significant”
✓ located verbatim in the source · abstract, characters 1660–1792

t0
“Potato (Solanum tuberosum L.)”
✓ located verbatim in the source · title, characters 84–113

Title

Effect of Zinc and Manganese Foliar Application on Yield, Quality and Enrichment on Potato (Solanum tuberosum L.)

Sayed Roholla Mousavi; Mohammad Galavi; Goudarz Ahmadvand Asian Journal of Plant Sciences 2007. doi:10.3923/ajps.2007.1256.1260

Other claims from this paper (14)

Intervention effect Zn and Mn application increased potato tuber yield per plant.
Intervention effect Zn and Mn application increased tuber dry matter percentage and specific weight.
Intervention effect Zn and Mn application increased tuber protein and starch contents.
Intervention effect Foliar Zn at 8 ppt produced 34170 kg ha-1 yield, 25% above control.
Intervention effect Foliar Mn at 4 ppt produced 33866 kg ha-1 yield, 15% above control.
Intervention effect Mn at 8 ppt decreased potato tuber quality compared with 2 and 4 ppt.
Intervention effect Mn at 8 ppt decreased potato tuber yield compared with 2 and 4 ppt.
Intervention effect Combined 8 ppt Zn and 4 ppt Mn gave maximum yield of 38950 kg ha-1.
Intervention effect Fertilizers significantly affected tuber element percentages.
Intervention effect Zinc increased tuber Zn percentage.
Intervention effect Zinc decreased tuber phosphorus percentage.
Intervention effect Manganese increased tuber Mn percentage.
Intervention effect Manganese had no significant effect on tuber Zn, P and K.
Intervention effect Combined Zn and Mn fertilizers increased tuber Zn and Mn percentages.

Associationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Rows per ear and thousand-seed weight declined with density, but differences were not significant.

Taxon: maizeZea mayst0
Treatment: densitye0
Outcome: Row per ear and 1000-seed weighte0
Direction: decreasee0

Verbatim

e0
“Row per ear and 1000-seed weight would decrease following the density increase.But,variance between different densities didn't reach significant level.”
✓ located verbatim in the source · abstract, characters 930–1081

t0
“maize”
✓ located verbatim in the source · title, characters 48–53

Title

Influence on main agronomic traits and yield of maize under different density

Shilin Chen Guangdong nongye kexue 2011

Other claims from this paper (7)

Association Increasing density raised plant height, ear height, and the empty-plant ratio.
Association Increasing density reduced ear angle.
Association Increasing density reduced grains per row, ear length, and ear diameter, with highly significant between-density variance.
Association Increasing density raised ear-tip barrenness.
Association Increasing density reduced yield significantly.
Association Yield and density followed the reported quadratic regression equation.
Recommendation The equation gave an optimal M103 density of 74,126.25 individuals per hectare.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

At higher density with nitrogen raised to 30 kg, corn production began to decline, but the decrease was not significant.

Taxon: cornZea mays subsp. mayse1
Treatment: nitrogen dosage increased to 30 kge5
Outcome: productione5
Direction: began to declinee5
Qualifier: higher density(more than 4 000 plants per 667 m2)e5

Not reportedComparator

Verbatim

e1
“This study adopted the method of split-plot experiment design,researched the directional cultivating conditions,planting density and fertilizer levels for semi-compact corn Pacific 98 and its effect on yield”
✓ located verbatim in the source · abstract, characters 0–207

e5
“in the higher density(more than 4 000 plants per 667 m2)and nitrogen dosage increased to 30 kg,the production began to decline,but the decrease was not significant”
✓ located verbatim in the source · abstract, characters 643–806

Title

Preliminary report on the directional corn planting density and fertilizer levels

LU Chun-yan Guangdong nongye kexue 2012

Other claims from this paper (4)

Association Planting density, fertilizer and their interaction significantly affected corn yield.
Intervention effect At nitrogen below 25 kg per 667 m2, corn yield increased as planting density declined.
Intervention effect At a relatively low density of 3 500 plants per 667 m2, corn yield increased with increasing fertilizer content.
Intervention effect The treatment of 4 000 plants per 667 m2 with 25 kg nitrogen gave the highest corn production, 628.6 kg per 667 m2.

Observationobservedoriginal resultpositivenot significant (as stated)projected

Claim · model-written summary

Spring wheat yield was projected to rise 2.5% on average, without statistical significance.

Taxon: spring wheatTriticum aestivume0
Outcome: yielde0
Direction: increasee0
Value: 2.5%e0

Verbatim

e0
“not statistically significant average yield increase of 2.5% was predicted for spring wheat”
✓ located verbatim in the source · abstract, characters 1411–1502

Title

Both yields of maize and soybean and soil carbon sequestration in typical Mollisols cropland decrease under future climate change: SPACSYS simulation

Shuo Liang; Nan Sun; Bernard Longdoz; et al. Frontiers in Sustainable Food Systems 2024. doi:10.3389/fsufs.2024.1332483

Other claims from this paper (13)

Method / resource SPACSYS effectively simulated crop yield and soil organic carbon dynamics.
Observation Projected maize yield fell 14.5% on average in Harbin under climate change.
Observation Projected maize yield fell 13.3% in Gongzhuling.
Observation Projected soybean yield fell 10.6% on average.
Observation Projected soil organic carbon stock declined 8.2% in Harbin.
Observation Projected soil organic carbon stock declined 7.6% in Gonghzuling.
Observation Future climates reduced carbon sequestration efficiency 6.0% in Harbin except NPK.
Observation Future climates reduced carbon sequestration efficiency 13.4% in Gongzhuling.
Intervention effect Manure amendments gave higher crop yields than chemical fertilization.
Intervention effect Manure amendments gave higher annual soil carbon stocks than chemical fertilization.
Intervention effect Manure amendments gave higher annual carbon sequestration efficiency than chemical fertilization.
Association Soil carbon sequestration efficiency decreased exponentially as accumulated carbon input increased.
Intervention effect The carbon sequestration efficiency asymptote with manure was higher than with other treatments.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Combined chemicals and biopesticides lowered marketed amount by 62.44 kg per farmer, without statistical significance.

Taxon: tomatoSolanum lycopersicume0
Treatment: both chemicals and biopesticidese0
Outcome: marketed amounte0
Direction: decreasee0
Value: 62.44 kg per farmere0

Not reportedComparator

Verbatim

e0
“farmers who used both chemicals and biopesticides experienced a loss in tomato yield by 9.58 kg per decimal of land and a decrease in marketed amount by 62.44 kg per farmer, though statistically insignificant”
✓ located verbatim in the source · abstract, characters 992–1200

Title

Impacts of using biopesticides on tomato yield and self-consumption: Evidence from saline-prone areas in Bangladesh

Kazi Khalid Hossain; Niraj Prakash Joshi Environmental and Sustainability Indicators 2025. doi:10.1016/j.indic.2025.100756

Other claims from this paper (6)

Intervention effect Biopesticide application reduced tomato yield by 28.83 kg per decimal.
Intervention effect Biopesticide use reduced marketed tomato quantity by 392.67 kg per farmer.
Intervention effect Biopesticide use reduced tomato selling price.
Intervention effect Biopesticide use increased farmers’ tomato self-consumption by 4.97 kg.
Intervention effect Combined chemicals and biopesticides lowered tomato yield by 9.58 kg per decimal, without statistical significance.
Intervention effect Combined use increased household self-consumption by 3.13 kg.

Observationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Under supplemental lighting, the decline in carbon exchange was not significant in D-poly houses.

Taxon: Tomato PlantsSolanum lycopersicumt0
Outcome: carbon exchange ratee0
Direction: decreasee0
Qualifier: under SLe0
Setting: D-poly housese0

Verbatim

e0
“Conversely, the decrease in carbon exchange rate was not significant in D-poly houses and glasshouses under SL.”
✓ located verbatim in the source · abstract, characters 1785–1896

t0
“Tomato Plants”
✓ located verbatim in the source · title, characters 129–142

Title

Greenhouse Covering Materials and Supplemental Lighting Affect Growth, Yield, Photosynthesis, and Leaf Carbohydrate Synthesis of Tomato Plants

Badrane M. Erhioui; André Gosselin; Xiuming Hao; et al. Journal of the American Society for Horticultural Science 2002. doi:10.21273/jashs.127.5.819

Other claims from this paper (17)

Intervention effect D-poly houses increased tomato marketable yield by 15% to 16% over glasshouses.
Intervention effect D-poly houses increased tomato fruit number per area by 13% to 17% over glasshouses.
Intervention effect Under supplemental lighting, acrylic houses had similarly higher yield and fruit number than glasshouses.
Intervention effect Covering materials had no significant effect on tomato photosynthesis and leaf chlorophyll.
Intervention effect Supplemental lighting increased leaf number in glasshouses in March by 15%.
Intervention effect Supplemental lighting increased tomato marketable yield in acrylic houses by 23%.
Intervention effect Supplemental lighting increased leaf specific weight in all houses by 19% to 33%.
Intervention effect Supplemental lighting increased total chlorophyll in acrylic houses by 10% to 14%.
Intervention effect Supplemental lighting increased tomato photosynthetic rate in March in glasshouses by 22%.
Intervention effect Without supplemental lighting, tomato plants in acrylic houses were taller than those in glasshouses.
Intervention effect Neither greenhouse covers nor supplemental lighting affected dry matter allocation to tomato fruit.
Recommendation The authors suggest D-poly and acrylic houses with supplemental lighting for early tomato yield in southwestern Ontario.
Observation Without supplemental lighting, photosynthesis fell 18% in acrylic houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in D-poly houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in glasshouses after two months.
Observation Under supplemental lighting, the decline in carbon exchange was not significant in glasshouses.
Mechanism The authors conclude that March leaf starch accumulation did not explain the observed photosynthetic decline.

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics