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“yield decrease”

2,653 matches

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plus 2 earlier · 1930s

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Associationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Yields were positively correlated with PAs, Put, Spd, Spm, GA3, SOD, POD and CAT.

Taxon: balsam pearMomordica charantiae0
Compound: PAs, Put, Spd, Spm, GA3e2
Outcome: yieldse2
Direction: positive correlatione2

Verbatim

e0
“application of ZnSO4.7H2O and Na2B4o7.10H2O on Zn and B deficient soils could increase balsam pear yield and its contents of protein, Vc and 17 sorts of amino acids, especially the contents of essential amino acids for human body, but decrease the NO3(-)-N content”
✓ located verbatim in the source · abstract, characters 211–475

e2
“there was a significant positive correlation between yields and PAs, Put, Spd, Spm, GA3, SOD, POD, CAT”
✓ located verbatim in the source · abstract, characters 900–1002

Title

[Effects of zinc and boron nutrition on balsam pear (Momordica charantia) yield and quality, and polyamines, hormone, and senescence of its leaves].

Mutian Shi; Rukai Cheng PubMed 2004

Other claims from this paper (11)

Intervention effect Zinc and boron application on deficient soils increased balsam pear yield.
Intervention effect Zinc and boron application increased protein, vitamin C and amino acid contents of balsam pear.
Intervention effect Zinc and boron application decreased NO3(-)-N content of balsam pear.
Intervention effect Zinc and boron increased polyamines (PAs), putrescine and spermidine in leaves.
Intervention effect Zinc and boron increased spermine, indole acetic acid and gibberellic acid in leaves.
Intervention effect Zinc and boron increased ascorbic acid content in leaves.
Intervention effect Zinc and boron increased leaf SOD, POD and CAT activities.
Intervention effect Zinc and boron reduced malondialdehyde and abscisic acid contents in leaves.
Association MDA and ABA contents were negatively correlated with yield-related variables in leaves.
Association MDA was positively correlated with ABA.
Association MDA and ABA were negatively correlated with PAs, Put, Spd, Spm, IAA, GA3 and ASA.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Highly significant negative correlations link ECe, cations and anions with plant height of cotton genotypes.

Taxon: cottonGossypium hirsutume1
Material: some studied cotton genotypese1
Compound: ECe, cations (Na+, Ca++ and Mg++), anions (Cl- & SO=4)e1
Outcome: plant heighte1
Direction: decreaseinferrede1

Verbatim

e1
“Highly significantly negative correlations were recorded between ECe, cations (Na+, Ca++ and Mg++), anions (Cl- & SO=4) and each of some studied cotton genotypes characteristics (boll weight, 2.5 Spin length, lint percentage and plant height)”
✓ located verbatim in the source · abstract, characters 1347–1589

Title

EFFECT OF SPECIFIC IONS, SALINITY AND ALKALINITY ON YIELD AND QUALITY OF SOME EGYPTIAN COTTON GENOTYPES

Farouk Zein; Esaid Gaiza; Hamida EL-Sanafawy; et al. Egyptian Journal of Soil Science 2020. doi:10.21608/ejss.2020.21065.1334

Other claims from this paper (9)

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

In the Aura variety, urease activity was significantly lower with carbamide application.

Taxon: soybeanGlycine maxe0
Material: Aurae3
Treatment: N c applicatione3
Outcome: urease activitye3
Direction: significantly lowere3

Not reportedComparator

Verbatim

e0
“Three varieties (Aura, Magie, and Indra) of soybean ( Glycine max [L.] Merr.) were grown”
✓ located verbatim in the source · abstract, characters 0–88

e3
“In the soil under the Aura variety, the urease activity was significantly lower in the treatments with N c application, and this was accompanied by a decrease in the crop yield”
✓ located verbatim in the source · abstract, characters 904–1080

Title

Effect of the nitrogen fertilizer type on the enzyme activity in the rhizosphere of calcic chernozem and soybean production

E. E. Emnova; O. V. Daraban; Ya. V. Bizgan; et al. Eurasian Soil Science 2015. doi:10.1134/s1064229315030047

Other claims from this paper (7)

Intervention effect Biological enzyme activity in the soybean rhizosphere was more intense with ammonium nitrate than with carbamide.
Association Urease activity depended on the type of nitrogen fertilizer under soil water deficiency.
Intervention effect In the Aura variety, carbamide application decreased crop yield.
Intervention effect Nitrification capacity of the calcic chernozem was significantly lower with carbamide than with ammonium nitrate.
Observation Nitrification capacity of the calcic chernozem was generally low.
Intervention effect Nitrate reductase activity of the soil was lower with carbamide fertilizer.
Observation Each of the three soybean varieties responded differently to changes in nitrogen nutrition.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

All treatments significantly controlled pest population and damage on cowpea in the late season.

Taxon: cowpeaVigna unguiculatae0
Treatment: all treatmentse4
Outcome: pest population/damagee4
Direction: decreaseinferrede4
Qualifier: In the late seasone4

Not reportedComparator

Verbatim

e0
“The management of major field insect pests of cowpea under calendar and monitored sprays of cypermethrin was studied”
✓ located verbatim in the source · abstract, characters 0–116

e4
“In the late season, all treatments significantly (P<0.05) controlled pest population/damage on cowpea”
✓ located verbatim in the source · abstract, characters 1223–1324

Title

Management of major field insect pests and yield of cowpea (Vigna unguiculata (L) walp) under calendar and monitored application of synthetic chemicals in Asaba, southern Nigeria

E. Egho American Journal of Scientific and Industrial Research 2011. doi:10.5251/ajsir.2011.2.4.592.602

Other claims from this paper (6)

Intervention effect All cypermethrin treatments effectively controlled Megalurothrips sjostedti, Maruca vitrata, flower bud thrips and pod sucking bugs compared with control in the early season.
Intervention effect Calendar and monitored sprays did not differ significantly in pest control in the early season.
Intervention effect Calendar and monitored sprays showed similar grain yield in the early season.
Intervention effect Grain yield increased in all treatments, with no differences among the treatments.
Intervention effect A 10-day interval spray was as profitable as a 7-day interval spray in cowpea production.
Recommendation Monitored or longer-interval spraying could reduce the number of chemical applications on cowpea.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

All treatments increased soil pH, organic carbon, organic matter, NPK and Mg relative to pre-trial soil.

Treatment: all the treatmentse0
Outcome: soil pH, organic carbon, organic matter, NPK and Mge0
Direction: increasee0
Comparator: pre-trial soile0

Not reportedTaxon

Verbatim

e0
“all the treatments showed a significant increase in the soil pH, organic carbon, organic matter, NPK and Mg and a slight decrease in Ca and Na when compared to the pre-trial soil”
✓ located verbatim in the source · abstract, characters 892–1070

Title

Vegetative growth and yield response of Amaranthus hybridus to mycorrhizal fungi (Glomus mosseae) inoculation, organic and micronutrient fertilizer application

Nigerian Journal of Soil Science 2020. doi:10.36265/njss.2020.300105

Other claims from this paper (17)

Observation Treatment did not significantly change soil texture or micronutrient status.
Intervention effect All treatments slightly decreased soil Ca and Na relative to pre-trial soil.
Intervention effect Poultry manure plus mycorrhiza produced higher plant N, P and K nutrient content than other treatments.
Intervention effect Poultry manure plus mycorrhiza gave significantly higher plant height of 51.13cm.
Intervention effect Poultry manure plus mycorrhiza gave significantly higher leaf number of 67.80.
Intervention effect Poultry manure plus mycorrhiza gave significantly higher stem girth of 5.61cm.
Intervention effect Poultry manure plus mycorrhiza gave significantly higher leaf area of 194.87cm2.
Intervention effect Poultry manure plus mycorrhiza gave significantly higher yield of 7.51 t/ ha.
Observation Control plots had the lowest plant height, 19.13 cm.
Observation Control plots had the lowest leaf number, 26.00.
Observation Control plots had the lowest stem girth, 2.80 cm.
Observation Control plots had the lowest leaf area, 57.76 cm2.
Observation Control plots had the lowest yield, 0.80 t/ha.
Intervention effect PMF had significantly higher spore counts, 74.40, than PCP and control.
Intervention effect PM had significantly higher spore counts, 66.20, than PCP and control.
Intervention effect PM had higher root arbuscules, vesicles and hyphae than PCP and control.
Intervention effect PMF had higher root arbuscules, vesicles and hyphae than PCP and control.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Serratia predominance in the rhizosphere was significantly associated with soil Pb.

Taxon: Helianthus petiolarisHelianthus petiolarise0
Organ / stage: rhizospheree0
Interactor: Serratiae0other
Compound: soil Pb concentratione0
Outcome: predominance of the genus Serratiae0
Setting: polluted sitese0

Not reportedDirection

Verbatim

e0
“The predominance of the genus Serratia in the rhizosphere of Helianthus petiolaris plants cultivated in the polluted sites and the decrease in the essential oil yield were some effects significantly associated with soil Pb concentration.”
✓ located verbatim in the source · abstract, characters 716–953

Title

Phytomanagement of a Lead-Polluted Shooting Range Using an Aromatic Plant Species and Its Effects on the Rhizosphere Bacterial Diversity and Essential Oil Production

Anabel Saran; Lucia Fernandez; Cinthia Yanela Latini; et al. Plants 2022. doi:10.3390/plants11223024

Other claims from this paper (5)

Observation Roots accumulated 195 to 304 mg kg−1 Pb.
Observation Only a limited fraction of Pb was translocated to aerial parts.
Association Essential oil yield decreased and was significantly associated with soil Pb.
Observation Neither floral water nor essential oil contained detectable Pb.
Observation Extractable soil Pb fell 28% to 45% after harvest.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Salinity significantly increased grain nitrogen and protein content.

Taxon: wheatTriticum aestivumt0
Treatment: Salinitye1
Outcome: nitrogen and protein content in graine0
Direction: increasee0
Comparator: non saline fielde0

Verbatim

e0
“with a significant increase in nitrogen and protein content in grain compared to non saline field.”
✓ located verbatim in the source · abstract, characters 600–698

t0
“Wheat”
✓ located verbatim in the source · title, characters 92–97

e1
“Salinity was found to significantly decrease photosynthetic rate, total chlorophyll content, cell membrane stability, reducing sugar content, plant height, leaf area index, test weight, number of grains/ear, number of tillers/ meter row length, grain and straw yield with a significant increase in nitrogen and protein content in grain compared to non saline field.”
✓ located verbatim in the source · abstract, characters 333–698

Title

Effect of Plant Growth Regulators on Physiological, Biochemical Traits, Growth and Yield of Wheat ( Triticum aestivum L.) Under Salt Stress

DL Bagdi; BL Kakraliya; Mahesh K. Gathala 2011

Other claims from this paper (7)

Intervention effect Salinity significantly decreased wheat photosynthetic rate, chlorophyll content and membrane stability.
Intervention effect Salinity significantly decreased wheat reducing sugar content.
Intervention effect Salinity significantly decreased height, leaf area index and test weight.
Intervention effect Salinity significantly decreased grains per ear, tillers and grain yield.
Intervention effect Salinity significantly decreased straw yield.
Intervention effect Plant growth regulators ameliorated the effects of salinity on measured wheat traits.
Intervention effect Benzyl adenine at 75 mg.L−1 produced the maximum improvement relative to other regulators and doses.

Associationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The Danbaekkong allele was associated with a 33.6 g/kg significant increase in soybean seed protein.

Taxon: Glycine maxGlycine maxe0
Gene: Danbaekkong allelee1
Outcome: proteine1
Direction: increasee1
Value: 33.6 g kg –1e1
Qualifier: P < 0.05e1

Verbatim

e0
“Soybean ( Glycine max [L.] Merr.)”
✓ located verbatim in the source · abstract, characters 9–42

e1
“The Danbaekkong allele was associated with a significant 33.6 g kg –1 increase in protein and 14.3 g kg –1 decrease in oil ( P < 0.05)”
✓ located verbatim in the source · abstract, characters 680–814

Title

Introgression of a High Protein Allele into an Elite Soybean Cultivar Results in a High‐Protein Near‐Isogenic Line with Yield Parity

Elizabeth M. Prenger; Jennifer Yates; M. A. Rouf Mian; et al. Crop Science 2019. doi:10.2135/cropsci2018.12.0767

Other claims from this paper (6)

Association The Danbaekkong allele was associated with a 14.3 g/kg significant decrease in soybean seed oil.
Intervention effect Near-isogenic lines with the Danbaekkong allele yielded lower than lines without it, significantly lower only in 2005.
Intervention effect Benning high protein (HP) showed yield parity with Benning over 14 environments in four years.
Intervention effect Benning HP had 40.0 g/kg more seed protein than Benning.
Intervention effect Benning HP had 17.3 g/kg less oil than Benning.
Recommendation A significant increase in seed protein without yield reduction is possible with breeding and careful progeny selection using the Danbaekkong allele.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Bacillus G7 significantly improved net carbon fixation of olive plantlets under saline stress.

Taxon: Olea europaea L.Olea europaeat0
Treatment: G7e1
Outcome: net carbon fixatione2
Direction: improvede2

Not reportedComparator

Verbatim

t0
“Olea europaea L. plantlets”
✓ located verbatim in the source · title, characters 50–76

e1
“G7 prevented photosynthetic imbalance under saline stress, increasing the maximum photosynthetic efficiency of photosystem II (Fv/Fm) and energy dissipation (NPQ) and protecting against photooxidative stress”
✓ located verbatim in the source · abstract, characters 542–749

e2
“despite the decrease in effective PSII quantum yield (ΦPSII), net carbon fixation was significantly improved”
✓ located verbatim in the source · abstract, characters 770–878

Title

Bacillus G7 improves adaptation to salt stress in Olea europaea L. plantlets, enhancing water use efficiency and preventing oxidative stress

Estrella Galicia-Campos; Ana García-Villaraco; Ma. Belén Montero-Palmero; et al. Scientific Reports 2023. doi:10.1038/s41598-023-49533-z

Other claims from this paper (9)

Intervention effect Bacillus G7 increased the maximum photosynthetic efficiency of PSII (Fv/Fm) and energy dissipation (NPQ) of olive plantlets under saline stress.
Intervention effect Bacillus G7 protected olive plantlets against photooxidative stress under saline stress.
Intervention effect Bacillus G7 decreased the effective PSII quantum yield (ΦPSII) of olive plantlets under saline stress.
Intervention effect Bacillus G7 significantly increased osmolytes and antioxidants in olive plantlets under saline stress.
Intervention effect Bacillus G7 significantly improved water use efficiency (WUE) of olive plantlets under saline stress.
Intervention effect Bacillus G7 upregulated ABA synthesis- and ABA-sensing-related genes in olive plantlets under saline stress.
Intervention effect Bacillus G7 strongly downregulated the PLC2 phosphatase family in olive plantlets under saline stress.
Intervention effect Bacillus G7 upregulated ion homeostasis-related genes in olive plantlets under saline stress.
Intervention effect The ion homeostasis response was activated faster in G7-treated olive plantlets, as suggested by qPCR data.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Crop-rotation productivity with flat-cut cultivation was significantly 9.0% lower than with plowing.

Taxon: soybeans – spring rape – spring wheat – oil ﬂax – spring barleye1
Treatment: ﬂat-cut cultivatione0
Outcome: average productivitye0
Direction: lowere0
Value: 9.0 %e0
Comparator: plowinge0

Verbatim

e0
“The average productivity of crops cultivated in crop rotation against the background of ﬂat-cut cultivation was signifcantly (by 9.0 %) lower in comparison with plowing”
✓ located verbatim in the source · abstract, characters 2171–2339

e1
“soybeans – spring rape – spring wheat – oil ﬂax – spring barley”
✓ located verbatim in the source · abstract, characters 354–417

Title

The reasons for the decrease in the feld crops yield against the background of ﬂat-cut basic tillage

V. Yeshchenko; G. Koval; M. Kalievsky Agrobìologìâ 2021. doi:10.33245/2310-9270-2021-163-1-49-58

Other claims from this paper (13)

Intervention effect Replacing plowing with flat-cut loosening decreased mean yield across 15 crops by 9.0%.
Intervention effect In the authors’ experiment, spring crop mean yield also fell by 9.0%.
Intervention effect Across 15 experiments, arable-layer soil density changed by only 0.7%.
Intervention effect Across 15 experiments, agronomically valuable soil structure content changed by only 0.1%.
Intervention effect In the authors’ experiment, soil density improved by 2.1%.
Intervention effect In the authors’ experiment, soil structure improved by 1.4%.
Intervention effect Flat-cut tillage decreased total arable-layer soil permeability by 1.9%, while it stayed acceptable.
Intervention effect Five of 15 publications reported lower root-layer available moisture after non-moldboard loosening.
Intervention effect The remaining 10 publications reported unchanged or increased available moisture.
Intervention effect Available soil moisture under flat-cut loosening was 1.7% higher than under plowing.
Intervention effect At mid-season, flat-cut cultivation gave a 6.1% advantage in available moisture.
Intervention effect At season end, flat-cut cultivation gave a 6.4% advantage in available moisture.
Intervention effect Crops had 27–31% higher weed infestation after moldboard-free autumn tillage.

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“yield decrease”

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