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“yield decrease”

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plus 6 earlier · 1930s

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Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Retained monopodial branches had no remarkable effect on lint percent.

Taxon: cotton plantGossypium hirsutumt0
Treatment: remaining monopodial branchese1
Outcome: lint percente0
Direction: no remarkable effecte0

Not reportedComparator

Verbatim

e0
“there was no remarkable effect on the number of bolls per hectare,boll weight,lint percent and lint yield”
✓ located verbatim in the source · abstract, characters 843–948

e1
“the remaining monopodial branches could decrease the translocation of 14 C assimilates into main stem and fruiting branches at flowering and fruiting stage”
✓ located verbatim in the source · abstract, characters 547–702

t0
“cotton plant”
✓ located verbatim in the source · title, characters 124–136

Title

Effect of remaining monopodial branches on the ~(14)C-assimilation,partitioning of ~(14)C assimilates and lint yield of the cotton plant

Xue Sun Xibei zhiwu xuebao 2000

Other claims from this paper (8)

Intervention effect Retained monopodial branches significantly reduced 14 C assimilation of leaves on the main stem and fruiting branches.
Observation Leaves on monopodial branches had higher 14 C assimilation.
Intervention effect Retained branches had only a small influence on total plant 14 C assimilation.
Intervention effect Retained monopodial branches decreased assimilate translocation into the main stem and fruiting branches.
Intervention effect Retained monopodial branches reduced bolls on fruiting branches.
Intervention effect Retained monopodial branches had no remarkable effect on number of bolls per hectare.
Intervention effect Retained monopodial branches had no remarkable effect on boll weight.
Intervention effect Retained monopodial branches had no remarkable effect on lint yield.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Bioilsa and Patentkali yielded 86.7 t of roots per ha at Płonne versus 85.6 t per ha for conventional beet.

Taxon: sugar beetBeta vulgaris subsp. vulgarise0
Treatment: Bioilsa and Patentkalie0
Outcome: rootse0
Direction: a yield gap was not seene0
Value: 86.7 t of roots per hae0
Qualifier: 85.6 t per hae0
Comparator: conventional beete0
Setting: Płonnee0

Verbatim

e0
“at Płonne, organic sugar beet fertilized with Bioilsa and Patentkali yielded 86.7 t of roots per ha, compared to 85.6 t per ha of conventional beet, so a yield gap was not seen here”
✓ located verbatim in the source · abstract, characters 1928–2109

Title

Optimizing an Organic Method of Sugar Beet Cultivation and Yield Gap Decrease in Northern Poland

Józef Tyburski; Mirosław Nowakowski; Robert Nelke; et al. Agriculture 2024. doi:10.3390/agriculture14060937

Other claims from this paper (14)

Observation Both cultivation systems yielded sugar beet roots 25–30% above the Polish average.
Observation Root yields were higher at Płonne than at Bałcyny.
Observation White sugar yields were higher at Płonne than at Bałcyny.
Intervention effect Compost produced the lowest organic beet root yield at Bałcyny, 66.1 t per ha.
Intervention effect Compost produced the lowest organic beet root yield at Płonne, 78.13 t per ha.
Intervention effect FYM reduced the organic versus conventional root yield difference to 7.7% at Bałcyny.
Intervention effect FYM reduced the organic versus conventional root yield difference to 2.1% at Płonne.
Recommendation The authors found no need to convert cattle FYM to compost.
Intervention effect Bioilsa N 12.5 with Patentkali yielded 78.1 t of roots per ha at Bałcyny and narrowed the gap to 1.4%.
Association Variety choice affected root and pure sugar yields in both farming systems.
Observation Eliska gave the lowest yields.
Intervention effect Replacing Eliska with Jampol at Bałcyny increased organic root yield from 68.8 to 76.0 t per ha.
Intervention effect Replacing Eliska with Jampol at Bałcyny reduced the organic root yield gap from 10.1% to 2.2%.
Intervention effect Replacing Eliska with Jampol at Płonne reduced the organic-conventional root yield gap from 6.6% to 0.3%.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Wild oats emerging at the 0.5–2.5 and 2.5–4 crop leaf stages caused non-significant barley yield losses.

Taxon: spring barleyHordeum vulgaret0
Treatment: 0⋅5–2⋅5, 2⋅5–4 crop leaf stagese1
Interactor: Avena fatuaAvena fatuat0weed
Outcome: yield lossese2
Direction: decreaseinferrede2

Not reportedComparator

Verbatim

t0
“effects of various fractions of an Avena fatua L. population on spring barley”
✓ located verbatim in the source · title, characters 33–110

e1
“wild oats emerging in the 0–0⋅5, 0⋅5–2⋅5, 2⋅5–4 crop leaf stages at densities of 54, 46, 15 m −2 respectively were allowed to compete all season with the crcp”
✓ located verbatim in the source · abstract, characters 223–381

e2
“caused 16%, and two non‐significant yield losses respectively”
✓ located verbatim in the source · abstract, characters 437–498

Title

Time of onset of competition and effects of various fractions of an Avena fatua L. population on spring barley

N.C.B. PETERS Weed Research 1984. doi:10.1111/j.1365-3180.1984.tb00592.x

Other claims from this paper (5)

Intervention effect Wild oats emerging at the 0–0.5 crop leaf stage caused a 16% barley yield loss in 1972.
Intervention effect Grain yield losses from Avena fatua were significant when it remained in the barley crop until the crop had 2.5–4.5 leaves.
Intervention effect Grain yield losses from Avena fatua were significant when it remained in the barley crop until the crop had 4.5–6.5 leaves.
Intervention effect Later-emerging Avena fatua did not compensate for early removal of earlier emergers by extra growth in barley.
Intervention effect Barley yield losses from Avena fatua occurred only when it remained in the crop until after the 6 leaf stage.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Other fiber-quality items did not differ significantly among treatments.

Taxon: CottonGossypium hirsutumt0
Treatment: water applicatione0
Outcome: other items related with fiber qualitye0
Comparator: among treatmentse0

Not reportedDirection

Verbatim

e0
“Lint percent, fiber uniformity and micronaire tend to decrease with increase in water application, but the differences of other items related with fiber quality among treatments are not significant.”
✓ located verbatim in the source · abstract, characters 668–866

t0
“Cotton”
✓ located verbatim in the source · title, characters 74–80

Title

Effects of Different Water Application on Lint Yield and Fiber Quality of Cotton under Drip Irrigation

Xiao Jun Acta Gossypii Sinica 2000

Other claims from this paper (11)

Association plant height increased with water application.
Association leaf area index increased with water application.
Association fruit branch increased with water application.
Association boll number increased with water application.
Association boll weight increased with water application.
Association water consumption increased with water application.
Association lint yield increased with water application.
Association Lint percent tended to decrease as water application increased.
Association fiber uniformity tended to decrease as water application increased.
Association micronaire tended to decrease as water application increased.
Recommendation The authors proposed a 0.70ET drip pattern with a 3450.0 m 3·hm 2 quota and month-specific irrigation intervals.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Split nitrogen application did not improve DM yields relative to a single application.

Taxon: MaizeZea mayst0
Treatment: Split‐N applicationse0
Outcome: DM yieldse0
Direction: did not increasee0
Comparator: respective single rate N applicationse0

Verbatim

e0
“Split‐N applications compared to respective single rate N applications did not increase DM yields, improve forage quality, or decrease residual soil NO − 3 ‐N concentrations.”
✓ located verbatim in the source · abstract, characters 1073–1247

t0
“Forage Maize”
✓ located verbatim in the source · title, characters 30–42

Title

Growth, Yield, and Quality of Forage Maize Under Different Nitrogen Management Practices

W. J. Cox; S. Kalonge; D. J. R. Cherney; et al. Agronomy Journal 1993. doi:10.2134/agronj1993.00021962008500020033x

Other claims from this paper (12)

Observation Forage maize dry matter yield averaged 25% lower in 1991 than 1990.
Association Forage maize dry matter yields responded curvilinearly to nitrogen rate.
Observation Maximum economic nitrogen rates were 140 kg N ha −1 in 1991 and 160 kg N ha −1 in 1990.
Association neutral detergent fiber (NDF) responded linearly to nitrogen rates in 1990.
Association acid detergent fiber (ADF) responded linearly to nitrogen rates in 1990.
Association N concentrations responded linearly to nitrogen rates in 1990.
Association Forage quality improved with each increment of nitrogen in 1990.
Intervention effect Higher nitrogen rates increased residual soil nitrate nitrogen in 1990.
Intervention effect Higher nitrogen rates increased residual soil nitrate nitrogen in 1991.
Intervention effect Split nitrogen application did not improve forage quality relative to a single application.
Intervention effect Split nitrogen application did not improve residual soil NO − 3 ‐N concentrations relative to a single application.
Recommendation Maize forage producers should balance yield and forage quality benefits of more nitrogen against residual soil nitrate risk.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Moderate population in low-fertility zones yielded statistically equivalently to higher-fertility areas.

Taxon: soybeanGlycine maxt0
Treatment: moderate population (240,000 seeds ha−1)e0
Outcome: yieldse0
Direction: statistically equivalente0
Comparator: higher-fertility arease0

Verbatim

e0
“maintaining a moderate population (240,000 seeds ha−1) in these low-fertility zones produced yields statistically equivalent to those in higher-fertility areas”
✓ located verbatim in the source · abstract, characters 1477–1636

t0
“Soybean”
✓ located verbatim in the source · title, characters 53–60

Title

Rethinking Variable Rate Seeding: Why Can Increasing Soybean Population Decrease Yield in Nutrient-Limited Soils?

Fábio Henrique Rojo Baio; Job Teixeira de Oliveira; Fernando França da Cunha; et al. Crops 2025. doi:10.3390/crops5060078

Other claims from this paper (5)

Observation Potassium was identified as the most growth-limiting soil nutrient.
Intervention effect Increasing population from medium to high significantly decreased grain yield in low-potassium zones.
Mechanism Intensified competition increased plant height.
Mechanism Intensified competition reduced root development and photosynthetic efficiency.
Recommendation The authors recommend maintaining a moderate population in nutrient-limited zones.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Zinc applied to canes during the dormant season had no effect on vines not receiving superphosphate.

Taxon: sultana vinese0
Treatment: application of zinc to canes during the dormant seasone5
Outcome: effecte5
Direction: no effecte5
Comparator: vines not receiving superphosphatee5

Verbatim

e0
“Zinc foliage sprays increased the yield of dried fruit of sultana vines on two light-textured alkaline soils in the Mildura area”
✓ located verbatim in the source · abstract, characters 0–128

e5
“The application of zinc to canes during the dormant season offset this decrease but had no effect on vines not receiving superphosphate”
✓ located verbatim in the source · abstract, characters 452–587

Title

Yield responses by sultanas to applications of zinc and superphosphate

DMcE Alexander; RC Woodham Australian Journal of Experimental Agriculture and Animal Husbandry 1964. doi:10.1071/ea9640169

Other claims from this paper (6)

Intervention effect Zinc foliage sprays increased dried fruit yield of sultana vines on two alkaline soils in the Mildura area.
Observation Neither sultana vineyard showed zinc deficiency symptoms.
Mechanism Yield increases with zinc application were mainly due to better setting.
Observation The yield increase from zinc occurred in the season of application.
Intervention effect Superphosphate depressed yields in three of seven years after 19 years of heavy annual dressings at one site.
Intervention effect Zinc applied to canes during the dormant season offset the superphosphate-related yield decrease.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

paddy rice showed no difference in P use efficiency of matter production as P increased under DC.

Taxon: paddy ricee0
Treatment: increase of P levele0
Outcome: P use efficiency of matter productione0
Direction: no differencee0
Setting: DCe0

Not reportedComparator

Verbatim

e0
“Under DC, with the increase of P level, both upland rice and paddy rice significantly increased grain yield and P accumulation, and upland rice showed a significant decrease and paddy rice had no difference in P use efficiency of matter production and P use efficiency of grain yield production.”
✓ located verbatim in the source · abstract, characters 535–830

Title

Effects of Interaction between Phosphorus Nutrition and Cultivation Methods on Grain Yield and Phosphorus Utilization of Upland Rice and Paddy Rice

Zhang Ya ACTA AGRONOMICA SINICA 2011

Other claims from this paper (19)

Intervention effect upland rice grain yield increased with P level under DC.
Intervention effect upland rice P accumulation increased with P level under DC.
Intervention effect paddy rice grain yield increased with P level under DC.
Intervention effect paddy rice P accumulation increased with P level under DC.
Intervention effect upland rice showed decrease in P use efficiency of matter production as P increased under DC.
Intervention effect paddy rice showed no difference in P use efficiency of grain yield production as P increased under DC.
Intervention effect Under MC grain yield, P accumulation, and P use efficiency of grain yield production did not significantly differ among P levels.
Intervention effect For upland rice under MC, HP had decrease P use efficiency of matter production than NP.
Intervention effect For upland rice under MC, HP had lower grain yield than NP.
Intervention effect For upland rice under MC, HP had lower P accumulation than NP.
Intervention effect For paddy rice under MC, HP and NP did not differ significantly in either P use efficiency measure.
Intervention effect DC had less number of adventitious roots than MC in both rice types.
Intervention effect DC had lower P accumulation amount than MC in both rice types.
Intervention effect DC had higher P use efficiency of matter production than MC in both rice types.
Intervention effect DC had lower P use efficiency of grain yield production than MC in both rice types.
Intervention effect DC had lower grain yield than MC in both rice types.
Association DC reduced grain yield more in upland than in paddy rice.
Association Upland rice had less number of adventitious roots than paddy rice.
Association Upland rice had lower P accumulation amount than paddy rice.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

GA 3 and 6-BA mixtures caused little change in individual fruit weight in the late stage.

Taxon: CucumberCucumis sativust0
Treatment: mixtures of GA 3 and6-BAe1
Outcome: individual fruit weighte0
Direction: little changee0
Qualifier: late stagee0

Not reportedComparator

Verbatim

e0
“there was little change in individual fruit weight and fruit number in late stage.”
✓ located verbatim in the source · abstract, characters 382–464

e1
“The mixtures of GA 3 and6-BA could decrease”
✓ located verbatim in the source · abstract, characters 290–333

t0
“Cucumber Fruit”
✓ located verbatim in the source · title, characters 44–58

Title

Effect of GA_3 and6-BA Mixtures on Yield of Cucumber Fruit

FU Shu-jie Shenyang Nongye Daxue xuebao 2003

Other claims from this paper (3)

Intervention effect High GA 3 and middle 6-BA concentrations increased cucumber fruit yield by 52.89% with more fruits.
Intervention effect GA 3 and 6-BA mixtures reduced individual cucumber fruit weight in the early period.
Intervention effect GA 3 and 6-BA mixtures caused little change in fruit number in the late stage.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Introgression of the NPB allele did not affect plant height.

Taxon: riceOryza sativat0
Treatment: introgression of the NPB allelee0
Outcome: plant heighte0
Direction: no effecte0

Not reportedComparator

Verbatim

e0
“introgression of the NPB allele resulted in a decrease in bending stress stem area and number of spikelets per panicle and an increase in tiller number but had no effect on plant height”
✓ located verbatim in the source · abstract, characters 2199–2384

t0
“rice”
✓ located verbatim in the source · title, characters 44–48

Title

Production of novel beneficial alleles of a rice yield‐related QTL by CRISPR/Cas9

Yongtao Cui; Xingming Hu; Guohua Liang; et al. Plant Biotechnology Journal 2020. doi:10.1111/pbi.13370

Other claims from this paper (19)

Association Three QTLs were associated with stem cross-section area.
Association Nipponbare alleles at qSCSA1-1 and qSCSA6-1 increased SCSA.
Association The 93-11 allele at qSCSA3-1 increased culm strength.
Observation qSCSA3-1 mapped to a 51-kb region containing OsTB1.
Observation OsTB1 expression in 93-11 inflorescences exceeded that in NPB and NIL-93-11.
Intervention effect Introgression of the NPB allele decreased bending stress.
Intervention effect Introgression of the NPB allele decreased stem area and spikelets per panicle.
Intervention effect Introgression of the NPB allele increased tiller number.
Intervention effect The OsTB1 null mutant had lower bending stress than rescued plants.
Intervention effect The OsTB1 null mutant had smaller panicles than rescued plants.
Intervention effect The OsTB1 null mutant had increased tiller number relative to rescued plants.
Observation Four large-SCSA varieties carried a TGTG insertion.
Method / resource Editing generated 23 rice plants with nine mutations.
Intervention effect Type 1 plants had more tillers and smaller culms and panicles than wild type.
Observation Type 2 plants resembled wild type phenotypically.
Intervention effect Type 3 plants had fewer tillers and larger culms and panicles than wild type.
Intervention effect Type 3 edits increased OsTB1 expression.
Intervention effect Type 1 edits reduced OsTB1 expression.
Intervention effect Type 2 edits left OsTB1 expression unchanged.

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“yield decrease”

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