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“yield decrease”

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plus 3 earlier · 1930s

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Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The 75% RFD dose did not significantly compromise yield compared with the 125% RFD treatment.

Taxon: riceOryza sativat0
Treatment: 75% RFD dosee1
Outcome: yielde1
Direction: without compromisinge1
Comparator: 125% RFD treatmente1

Verbatim

t0
“Nitrogen rates shaping rice yield”
✓ located verbatim in the source · title, characters 0–33

e1
“Despite slightly lower yield than the 125% RFD treatment, the 75% RFD dose showed a significant decrease in nitrate leaching in groundwater without compromising the yield significantly”
✓ located verbatim in the source · abstract, characters 1873–2057

Title

Nitrogen rates shaping rice yield and groundwater nitrate in the Jamuna River basin of north central Bangladesh

Md. Israfil Haq; Nishat Salsabil Khan; Mohammad Golam Kibria; et al. JSFA reports 2026. doi:10.1002/jsf2.70036

Other claims from this paper (15)

Intervention effect Nitrogen fertilizer application significantly improved plant height, panicle length and tillers compared with control in rice.
Intervention effect Nitrogen fertilizer application significantly improved the number of filled grains compared with control in rice.
Intervention effect Grain yield increased significantly over control, highest at 125% RFD with 4.76 t/ha.
Intervention effect Straw yield increased significantly over control, highest at 125% RFD with 5.48 t/ha.
Observation Grain yields at 75% and 100% RFD were statistically similar in rice.
Association Groundwater nitrate concentration responded significantly to fertilizer rates and sampling time.
Observation Groundwater nitrate was lowest on day 1 and peaked on day 5 after each split application.
Observation Highest groundwater nitrate concentration reached 6.8 ppm following the first split.
Observation Highest groundwater nitrate concentration reached 9.4 ppm following the second split.
Observation Highest groundwater nitrate concentration reached 12.2 ppm following the third split.
Intervention effect The highest nitrate concentrations in groundwater were always observed under 125% RFD.
Intervention effect Elevated urea application rate led to greater nitrate leaching.
Intervention effect The 75% RFD dose significantly decreased nitrate leaching in groundwater compared with the 125% RFD treatment.
Recommendation A 75% RFD rate is recommended as offering an optimal balance between yield performance and groundwater contamination risk.
Association Excessive nitrogen use is suggested to accelerate groundwater nitrate contamination in this floodplain ecosystem.

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

No significant differences in the amount and composition of soil inorganic nitrogen were found among the second-year, third-year and long-term plots.

Taxon: riceOryza sativat0
Treatment: second year plot, third year plote5
Outcome: amount of inorganic nitrogen and its compositione5

Verbatim

t0
“Rice Yield Decrease”
✓ located verbatim in the source · title, characters 25–44

e5
“However there were no significant differences among the second year plot, third year plot and the long term plot, in relation to the amount of inorganic nitrogen and its composition”
✓ located verbatim in the source · abstract, characters 1276–1457

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : I. Effects of continual direct sowing culture on the movement of inorganic nitrogen in the soil and on the growth and yield of rice

Yoshimasa UEMURA; Akira MIYASAKA; Mutsuo MORIYA Japanese Journal of Crop Science 1971. doi:10.1626/jcs.40.449

Other claims from this paper (5)

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Seed yield did not increase significantly after the third foliar feeding.

Taxon: sunflowerHelianthus annuuse1
Treatment: third foliar feedinge2
Outcome: yielde2
Direction: did not increasee2

Verbatim

e1
“crops high oil sunflower hybrid Aurora AM”
✓ located verbatim in the source · abstract, characters 405–446

e2
“This trend is associated with a decrease in the oil content in the seeds after the third foliar feeding, while the yield did not increase significantly”
✓ located verbatim in the source · abstract, characters 2429–2580

Title

THE YIELD AND QUALITY OF SUNFLOWER SEEDS DEPEND ON THE PRE-SOWING TREATMENT OF THE SEEDS AND EXTRA-ROOT NUTRIENTS

Artur Rozhkov; Oleksandr Kalinov The Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine 2024. doi:10.32900/2312-8402-2024-131-187-201

Other claims from this paper (18)

Intervention effect Pre-sowing seed treatment had a significant positive effect on sunflower yield.
Intervention effect The mixture pre-sowing treatment gave the highest sunflower seed yield, 2.66 tons/hectare.
Intervention effect The mixture pre-sowing treatment raised sunflower seed yield by 0.3 tons/hectare (12.7 %) over the control version.
Observation Sunflower seed yield of the mixture pre-sowing variant was 2.37 and 2.94 tons/hectare in 2022 and 2023.
Intervention effect In 2022 and 2023 the mixture pre-sowing variant yielded 0.27 and 0.32 tons/hectare more than the NIR05 control.
Intervention effect Optimized pre-sowing seed treatment and foliar fertilization increased two-year average sunflower seed yield by 0.45 tons/hectare or almost 20.0%.
Recommendation The authors recommend more attention to pre-sowing seed treatment and foliar feeding for sunflower.
Intervention effect The largest oil collection, 1,417 tons/hectare on a two-year average, came from the pre-sowing mixture with two foliar fertilizings.
Intervention effect Compared with the control, oil collection from 1 hectare increased by 0.271 tons/hectare or almost 24.0% with the two-foliar-fertilizing variant.
Intervention effect Three foliar top dressings gave lower sunflower oil collection than two top dressings.
Association Oil content in sunflower seeds decreased after the third foliar feeding.
Intervention effect The all-drug pre-sowing mixture gave the highest sunflower seed yield.
Intervention effect The all-drug pre-sowing mixture gave the highest oil content in sunflower seeds.
Intervention effect The all-drug pre-sowing variant increased oil yield from 1 hectare by 16.2% over the control.
Intervention effect The all-drug pre-sowing variant increased sunflower seed yield by 12.7% on average over the years and foliar fertilization.
Association Weather conditions changed sunflower seed yield by a range of 24.0% across the two years.
Association Weather conditions changed oil yield from 1 hectare by 19, 7% across the two years.
Mechanism The smaller weather effect on oil collection is associated with the lower oil content of the seeds in 2023.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Reducing nitrogen from 180 to 150 kg/ha reduced yield components.

Taxon: hybrid riceOryza sativat0
Treatment: 150 kg/hae0
Outcome: yield componentse0
Direction: reductione0
Comparator: 180e0

Verbatim

e0
“A decrease in N dose from 180 to 150 kg/ha caused reduction in all those yield components; however, the variation was non-significant except for number of panicles/m2.”
✓ located verbatim in the source · abstract, characters 652–819

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 86–97

Title

Effectiveness of nitrogen and bio-fertilizer choice for improving growth and yield of hybrid rice (Oryza sativa L.) during dry season

Sukanta Pal; Megha Sana; Hirak Banerjee; et al. ORYZA- An International Journal on Rice 2020. doi:10.35709/ory.2020.57.4.6

Other claims from this paper (14)

Intervention effect 180 kg N/ha produced tallest plants and maximum LAI, DMA, tillers and CGR.
Intervention effect 180 kg N/ha produced the highest panicle and grain weight components.
Intervention effect Panicle number differed significantly between 150 and 180 kg/ha nitrogen.
Intervention effect 180 kg N/ha raised grain yield by 120.1 versus zero nitrogen.
Intervention effect 180 kg N/ha raised straw yield by 34.9 versus zero nitrogen.
Intervention effect 180 kg N/ha raised harvest index by 32.8% versus zero nitrogen.
Intervention effect At 180 kg N/ha, yields and harvest index were statistically at par with 150 kg N/ha.
Intervention effect Azospirillum raised growth parameters relative to other biofertilizers.
Intervention effect Azospirillum raised yield components relative to other biofertilizers.
Intervention effect Azospirillum raised hybrid rice yield by 5.9 over PSB.
Intervention effect Azospirillum raised hybrid rice yield by 8.8% over K mobilizer.
Association Nitrogen and biofertilizer interaction significantly affected growth attributes.
Association Nitrogen and biofertilizer interaction did not significantly vary yield components or yield.
Intervention effect 180 kg N/ha with Azospirillum gave the maximum economic benefit.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Potassium application had no significant yield effect in the other year or at the other location.

Taxon: SoybeanGlycine maxt0
Treatment: Potassium applicatione1
Outcome: yielde1
Qualifier: the other year or at the other locatione0

Not reportedComparatorDirection

Verbatim

e0
“had no significant effect in the other year or at the other location”
✓ located verbatim in the source · abstract, characters 403–471

e1
“Potassium application was related to a decrease in yield in one year at one location”
✓ located verbatim in the source · abstract, characters 314–398

t0
“Soybean (Glycine max (L.) Merr.)”
✓ located verbatim in the source · title, characters 0–32

Title

Soybean (Glycine max (L.) Merr.) yield and disease incidence with potassium fertilization

L. V. Svec; A. K. Andrews; H. W. Crittenden Communications in Soil Science and Plant Analysis 1976. doi:10.1080/00103627609366682

Other claims from this paper (7)

Association Potassium application decreased soybean yield in one year at one location.
Association Cultivars differed in yield over two years.
Observation Kent, Cutler 71 and York had the most consistent yield.
Intervention effect Potassium application did not affect pathogen incidence.
Association Gray-moldy and purple-stain were highest in short season cultivars.
Association Gray-moldy and purple-stain were higher at Georgetown than Newark.
Recommendation The authors recommend disease-resistant soybean cultivars and adequate soil potassium to reduce disease.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Ramie shoot biomass did not significantly decline at soil Cd up to 20 mg/kg versus control.

Taxon: ramieBoehmeria niveae0
Treatment: soil Cd (≤ 20 mg/kg) contaminatione0
Outcome: shoot biomasse0
Direction: no significant decreasee0
Comparator: control conditionse0

Verbatim

e0
“ramie has a certain extent of tolerance to soil Cd (≤ 20 mg/kg) contamination with no significant decrease in shoot biomass and fibre yield relative to control conditions”
✓ located verbatim in the source · abstract, characters 203–373

Title

Accumulation and subcellular distribution of cadmium in ramie (Boehmeria nivea L. Gaud.) planted on elevated soil cadmium contents

Q.H. Zhu; D.Y. Huang; S.L. Liu; et al. Plant Soil and Environment 2013. doi:10.17221/439/2012-pse

Other claims from this paper (9)

Intervention effect Ramie fibre yield did not significantly decline at soil Cd up to 20 mg/kg versus control.
Observation Ramie did not hyperaccumulate Cd.
Observation Ramie accumulated approximately 0.19 to 1.09 kg/ha Cd annually in aboveground parts.
Observation Cd retention ranked roots above stems above leaves.
Observation Cell walls bound 80% of total Cd in ramie roots and stems.
Observation The leaf cell wall fraction stored around 60% of Cd.
Observation The soluble fraction of ramie leaves stored 24.1-25.5% of Cd.
Mechanism Authors attributed ramie Cd adaptation to storage in cell walls.
Recommendation Authors suggested ramie for phytoremediation of Cd-contaminated farmland.

Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Organic residues increased late rice yield relative to CK without a significant difference.

Taxon: riceOryza sativat0
Treatment: incorporation of organic waste residuese0
Outcome: yield in treatmentse0
Direction: increasee0
Comparator: CK treatmente0

Verbatim

t0
“rice”
✓ located verbatim in the source · title, characters 62–66

e0
“Compared with the yield in CK treatment,the yield in treatments with the incorporation of organic waste residues had a decrease in early rice and an increase in late rice,but the differences were not significant”
✓ located verbatim in the source · abstract, characters 1026–1237

Title

Utilities of straw and wastes of straw recycling returning on rice planting.

LI Ming-de; Haiyong Wu; Nie Jun; et al. Zhongguo nongye Kexue 2010

Other claims from this paper (11)

Intervention effect Four organic residues lowered soil bulk density.
Intervention effect Four organic residues raised soil porosity and aggregate stability.
Intervention effect Four organic residues increased soil organic matter and available nutrients.
Intervention effect Organic residues decreased early rice yield relative to CK without a significant difference.
Intervention effect Organic residues significantly increased the output-to-input ratio.
Intervention effect Organic residues increased CH4 emissions.
Intervention effect Organic residues significantly decreased N2O emissions.
Observation CH4 emission increase was greatest under NPK+S.
Intervention effect Organic residues allowed a 10%-20% reduction in chemical fertilizer at 6 250-22 500 kg·hm-2 residue.
Recommendation The authors recommend fungus dregs with reduced chemical fertilizer for double crop rice in south China.
Recommendation The authors recommend biogas dregs with reduced chemical fertilizer for double crop rice in south China.

Associationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Marketable bulb yield declined as fertigation fell from 100 to 60%, without a significant difference.

Taxon: winter onion (Allium cepa L.)Allium cepat0
Treatment: level of fertigatione0
Outcome: marketable bulb yielde0
Direction: decreasede0
Comparator: 100 to 60%e0

Verbatim

e0
“The marketable bulb yield decreased with decrease in level of fertigation from 100 to 60% but not decreased significantly”
✓ located verbatim in the source · abstract, characters 1128–1249

t0
“winter onion (Allium cepa L.)”
✓ located after whitespace/quote normalisation · title, characters 74–103

Title

Productivity, Storability and Economics of Microsprinkler Fertigation for Winter Onion (Allium cepa L.) in Semi-arid Conditions

D. D. Pawar; S. K. Dingre; K. D. Kale International Journal of Current Microbiology and Applied Sciences 2020. doi:10.20546/ijcmas.2020.906.136

Other claims from this paper (9)

Intervention effect Water soluble fertilizer sources improved onion growth and bulb traits.
Intervention effect Water soluble fertilizer sources improved onion dry matter, bulb weight and green leaves weight.
Intervention effect The two specified fertilizer sources mostly did not differ significantly.
Intervention effect The 100% and 80% recommended doses gave higher growth and yield component values than 60%.
Observation The authors identified potential fertilizer cost savings of 40% with fertigation.
Intervention effect Bulb storage losses were higher with a conventional fertilizer source.
Intervention effect Bulb storage losses were reduced with fertigation at 60 to 100%.
Intervention effect Gross income, net income and benefit to cost ratio were highest with 60 and 100% microsprinkler fertigation.
Recommendation The authors considered 60% nutrient dose with either listed fertilizer source in 10 weekly microsprinkler splits optimal for winter onion.

Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Take Off with seed dressing insignificantly reduced Oculimacula infection in barley.

Taxon: spring barleyHordeum vulgaret0
Treatment: Take Off seed treatment component with other seed dressinge0
Interactor: Oculimacula spp.Oculimaculae0pathogen
Outcome: barley infection by Oculimacula spp.e0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“spring barley”
✓ located verbatim in the source · title, characters 80–93

e0
“Application of Take Off seed treatment component with other seed dressing resulted in insignificant decrease of barley infection by Oculimacula spp. and Fusarium spp. and leaves by Drechslera teres.”
✓ located verbatim in the source · abstract, characters 358–556

Title

The effect of Take Off seed treatment component on the healthiness and yield of spring barley

Bogdan Dubis; Stanisław Bielski; Urszula Wachowska; et al. Progress in Plant Protection 2015. doi:10.14199/ppp-2015-026

Other claims from this paper (9)

Intervention effect Take Off with seed dressing insignificantly reduced Fusarium infection in barley.
Intervention effect Take Off with seed dressing insignificantly reduced Drechslera infection of barley leaves.
Intervention effect Take Off tended to lessen the control effectiveness of Premis Pro 080 FS against evaluated diseases.
Intervention effect Combined Premis Pro and Take Off significantly increased seed emergence.
Intervention effect Combined treatment tended to increase plant biomass.
Intervention effect Combined treatment tended to increase head number.
Intervention effect Combined treatment tended to increase grain number per head.
Intervention effect Combined treatment increased barley yield insignificantly versus untreated control.
Intervention effect Combined treatment increased barley yield insignificantly versus Premis Pro alone.

Intervention effectobservedoriginal resultpositivenot significant (as stated)measured

Claim · model-written summary

Take Off with seed dressing insignificantly reduced Drechslera infection of barley leaves.

Taxon: spring barleyHordeum vulgaret0
Treatment: Take Off seed treatment component with other seed dressinge0
Interactor: Drechslera teresPyrenophora terese0pathogen
Outcome: leaves by Drechslera terese0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“spring barley”
✓ located verbatim in the source · title, characters 80–93

e0
“Application of Take Off seed treatment component with other seed dressing resulted in insignificant decrease of barley infection by Oculimacula spp. and Fusarium spp. and leaves by Drechslera teres.”
✓ located verbatim in the source · abstract, characters 358–556

Title

The effect of Take Off seed treatment component on the healthiness and yield of spring barley

Bogdan Dubis; Stanisław Bielski; Urszula Wachowska; et al. Progress in Plant Protection 2015. doi:10.14199/ppp-2015-026

Other claims from this paper (9)

Intervention effect Take Off with seed dressing insignificantly reduced Oculimacula infection in barley.
Intervention effect Take Off with seed dressing insignificantly reduced Fusarium infection in barley.
Intervention effect Take Off tended to lessen the control effectiveness of Premis Pro 080 FS against evaluated diseases.
Intervention effect Combined Premis Pro and Take Off significantly increased seed emergence.
Intervention effect Combined treatment tended to increase plant biomass.
Intervention effect Combined treatment tended to increase head number.
Intervention effect Combined treatment tended to increase grain number per head.
Intervention effect Combined treatment increased barley yield insignificantly versus untreated control.
Intervention effect Combined treatment increased barley yield insignificantly versus Premis Pro alone.

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“yield decrease”

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