Search claims · PlantClaims

Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

Potassium fertilizer significantly affected net photosynthetic rate, stomatal conductance and intercellular CO2 concentration.

Taxon: Sweet PotatoIpomoea batatast0
Treatment: K fertilizere0
Outcome: net photosynthetic rate, stomatal conductance, and intercellular CO2 concentratione0

Not reportedComparatorDirection

Verbatim

e0
“The net photosynthetic rate, stomatal conductance, and intercellular CO2 concentration first increase and then decrease with increasing N application. K fertilizer has a significant effect on these parameters.”
✓ located verbatim in the source · abstract, characters 860–1069

t0
“Sweet Potato”
✓ located verbatim in the source · title, characters 114–126

Title

The Effect of Nitrogen and Potassium Interaction on the Leaf Physiological Characteristics, Yield, and Quality of Sweet Potato

Xing Shu; Minghuan Jin; Siyu Wang; et al. Agronomy 2024. doi:10.3390/agronomy14102319

Other claims from this paper (11)

Intervention effect Leaf glutamine synthetase activity and soluble protein content first increased and then decreased with increasing nitrogen application.
Intervention effect Potassium application significantly increased leaf glutamine synthetase activity and soluble protein content.
Observation Leaf nitrogen metabolic capacity was greatest at the K1N2 fertilizer ratio.
Intervention effect Leaf SPAD increased with increasing nitrogen application.
Intervention effect Net photosynthetic rate, stomatal conductance and intercellular CO2 first increased and then decreased as nitrogen application rose.
Intervention effect Tuber starch and protein content increased as nitrogen application increased.
Intervention effect Tuber soluble sugar content decreased as nitrogen application increased.
Intervention effect Tuber number, fresh weight and dry weight initially increased and then decreased as nitrogen application rose.
Intervention effect Sweet potato vine length increased continuously with increasing nitrogen application.
Intervention effect Potassium fertilizer significantly increased tuber number and stem thickness.
Recommendation The authors conclude that an appropriate combined nitrogen–potassium application promotes nitrogen metabolism, photosynthesis, yield and quality.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Leaf removal increased single-leaf photosynthesis rate of peanut, only partly compensating for the leaf loss.

Taxon: peanutArachis hypogaeae1
Treatment: 50% leafe2
Outcome: photosynthesis rate of single leafe7
Direction: increasinge7
Qualifier: can be compensated a littlee7
Comparator: natural plante2

Verbatim

e1
“Fenghua 1,the new variety of peanut for high yield field,was used in this study.”
✓ located verbatim in the source · abstract, characters 0–80

e2
“50% peg or 50% leaf in plant are removed artificially in podding phase,natural plant is control”
✓ located verbatim in the source · abstract, characters 80–175

e7
“Although leaf decrease can be compensated a little by the increasing photosynthesis rate of single leaf and LAI high increasing rate”
✓ located verbatim in the source · abstract, characters 177–309

Title

Effect of Leaf-peg Ratio on Photosynthesis and Yield for Peanut

Kong De-gui 2004

Other claims from this paper (8)

Intervention effect Leaf removal lowered pod weight, biomass yield and economic yield of peanut relative to the natural plant.
Intervention effect Leaf removal lowered economic index of peanut relative to the natural plant.
Intervention effect Peg removal raised biomass yield, economic yield and economic index of peanut above control and leaf removal.
Intervention effect Leaf removal decreased chlorophyll content of peanut, accelerating senescence.
Intervention effect Peg removal kept chlorophyll content of peanut high, delaying senescence.
Intervention effect Peg removal kept LAI of peanut larger.
Intervention effect Peg removal increased matter accumulation of peanut.
Intervention effect Peg removal decreased single-leaf photosynthesis rate of peanut.

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

Grass magnesium content decreased with maturation in untreated grass but showed no definite interval pattern in treated grass.

Outcome: magnesium contents of the herbage grasse0
Direction: did not show a definite patterne0

Not reportedTaxon

Verbatim

e0
“magnesium contents of the herbage grass did not show a definite pattern as the cutting interval increased but did decrease in the untreated grass as the grass matured”
✓ located verbatim in the source · abstract, characters 1823–1989

Title

Effect of anhydrous magnesium sulphate fertilizer and cutting frequency on yield and chemical composition of Panicum maximum

S. O. K. Fajemilehin; O. J. Babayemi; S. S. Fagbuaro AFRICAN JOURNAL OF BIOTECHNOLOGY 2008. doi:10.5897/ajb2008.000-5024

Other claims from this paper (8)

Intervention effect Fertilized grass had marginally higher yield than untreated grass at matched cutting intervals, without a significant difference.
Association Yield increased as cutting interval increased in both treated and untreated grass.
Observation Fertilizer application and cutting frequency did not interact.
Association Crude protein content declined as the grass aged.
Intervention effect Untreated grass had higher NDF content than treated grass.
Intervention effect Magnesium content was consistently higher in treated than untreated grass at the same cutting interval.
Intervention effect Potassium content was similar between treated and untreated grass.
Association Potassium content decreased with age in both treated and untreated grass.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Potassium, molybdenum and lead concentrations increased under CO2 enrichment.

Taxon: Spring wheatTriticum aestivume1
Treatment: CO(2) enrichmente2
Outcome: potassium, molybdenum and leade0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Minerals such as potassium, molybdenum and lead increased, while manganese, iron, cadmium and silicon decreased”
✓ located verbatim in the source · abstract, characters 918–1029

e1
“Spring wheat (Triticum aestivum L. cv. TRISO)”
✓ located verbatim in the source · abstract, characters 0–45

e2
“CO(2) enrichment resulted in an overall decrease”
✓ located verbatim in the source · abstract, characters 770–818

Title

Effects of elevated CO ₂ on grain yield and quality of wheat: results from a 3‐year free‐air CO ₂ enrichment experiment

P. Högy; H. Wieser; P. Köhler; et al. Plant Biology 2009. doi:10.1111/j.1438-8677.2009.00230.x

Other claims from this paper (12)

Intervention effect CO2 enrichment raised aboveground biomass by 11.8%.
Intervention effect CO2 enrichment raised grain yield by 10.4%.
Intervention effect Thousand-grain weight remained unchanged under elevated CO2.
Intervention effect Grain size distribution shifted significantly toward smaller grains.
Intervention effect Elevated CO2 reduced total grain protein concentration significantly by 7.4%.
Intervention effect Protein and amino acid composition changed under elevated CO2.
Intervention effect CO2 enrichment decreased amino acid concentrations overall, more for non-essential than essential amino acids.
Intervention effect Manganese, iron, cadmium and silicon concentrations decreased under CO2 enrichment.
Intervention effect Fructose and fructan concentrations increased significantly in grain.
Intervention effect Non-starch non-structural carbohydrate amount per area increased significantly in grain.
Intervention effect Grain lipid amount increased under elevated CO2.
Intervention effect Gluten resistance increased significantly under elevated CO2.

Intervention effectobservedoriginal resultmixedsignificant (as stated)measured

Claim · model-written summary

The grain size response of normal-height wheats to applications ranged from little change to a significant increase.

Taxon: wheatTriticum aestivumt0
Material: normal-height wheatse3
Treatment: all applicationse3
Outcome: grain sizee3
Direction: increasee3
Qualifier: ranged from little change to a significant increasee3

Not reportedComparator

Verbatim

t0
“wheats”
✓ located verbatim in the source · title, characters 77–83

e3
“There was a general decrease in the mean grain size of semi-dwarf wheats with all applications, while the response of the normal-height wheats ranged from little change to a significant increase”
✓ located verbatim in the source · abstract, characters 632–826

Title

Grain yield responses to applied gibberellin in normal-height and semi-dwarf wheats

MS Rahman; RG Flood; GM Halloran Australian Journal of Agricultural Research 1981. doi:10.1071/ar9810243

Other claims from this paper (6)

Intervention effect Applied GA3 decreased grain yield per head in wheat.
Intervention effect Applied GA3 decreased grain number in wheat.
Intervention effect Applying GA3 to the leaves alone at heading increased yield in two normal-height wheats due to increased grain number.
Intervention effect Applying GA3 jointly to the leaves and head at anthesis increased yield in two normal-height wheats due to increased grain number.
Intervention effect Applications decreased the mean grain size of semi-dwarf wheats.
Observation No distinct group differences in yield response were found between normal-height and semidwarf wheats.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

The remaining 10 publications reported unchanged or increased available moisture.

Taxon: soybeans – spring rape – spring wheat – oil ﬂax – spring barleye1
Treatment: non-moldboard looseninge2
Outcome: reserves of available moisturee3
Value: 10e0
Comparator: moldboard cultivatione2

Not reportedDirection

Verbatim

e0
“in the rest 10 ones they remained unchanged or they increased signifcantly”
✓ located verbatim in the source · abstract, characters 1718–1792

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

e2
“replacing moldboard cultivation with non-moldboard loosening”
✓ located verbatim in the source · abstract, characters 1652–1712

e3
“the reserves of available moisture in the root layer”
✓ located verbatim in the source · abstract, characters 1582–1634

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 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 Crop-rotation productivity with flat-cut cultivation was significantly 9.0% lower than with plowing.
Intervention effect Crops had 27–31% higher weed infestation after moldboard-free autumn tillage.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Soil salinity decreased first and then increased as the SWP threshold decreased in cotton fields.

Taxon: cottonGossypium hirsutumt0
Treatment: SWP thresholde2
Outcome: soil salinitye3
Direction: decreased first and then increasede3
Setting: Northern Xinjiange0

Not reportedComparator

Verbatim

t0
“water productivity of cotton”
✓ located verbatim in the source · title, characters 111–139

e0
“carried out in Northern Xinjiang of China”
✓ located verbatim in the source · abstract, characters 300–341

e2
“with the decrease of SWP threshold, soil moisture in the 0–20 cm soil layer decreased gradually”
✓ located verbatim in the source · abstract, characters 611–706

e3
“while soil salinity decreased first and then increased”
✓ located verbatim in the source · abstract, characters 708–762

Title

Effects of various soil water potential thresholds for drip irrigation on soil salinity, seed cotton yield and water productivity of cotton in northwest China

Chao Xiao; Qingyuan Ji; Fucang Zhang; et al. Agricultural Water Management 2023. doi:10.1016/j.agwat.2023.108172

Other claims from this paper (12)

Intervention effect Soil moisture in the 0–20 cm soil layer decreased as the SWP threshold decreased in drip-irrigated cotton.
Intervention effect Soil salt content was lowest under the −20 kPa SWP threshold.
Intervention effect Soil salinity was controlled below the root zone under the −20 kPa SWP threshold.
Intervention effect SWP thresholds of −10 and −20 kPa could well control soil temperature during the growing season of cotton to reduce heat stress.
Intervention effect Higher SMP was beneficial to plant height, leaf area and stem diameter of cotton.
Intervention effect Higher SMP did not significantly improve seed cotton yield.
Association The number of cotton bolls was the most influential growth variable on seed cotton yield.
Association Soil salt content had the most significant influence on boll number.
Intervention effect High-frequency irrigation (−10 kPa) was not conducive to reducing soil salinity.
Intervention effect High-frequency irrigation (−10 kPa) was not conducive to increasing boll number.
Intervention effect High-frequency irrigation (−10 kPa) was not conducive to increasing seed cotton yield.
Recommendation Drip irrigation with an SWP threshold of −20 kPa is recommended for drip-irrigated cotton under film mulch in Northern Xinjiang.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

With delayed sowing, total growth period first decreased and then increased, mainly because days before heading decreased.

Taxon: riceOryza sativat0
Treatment: delay of sowing datese0
Outcome: duration of the comprehensive growth periode0
Direction: declining trajectory before subsequently escalatinge0

Not reportedComparator

Verbatim

e0
“Subsequent to the delay of sowing dates, the duration of the comprehensive growth period initially exhibited a declining trajectory before subsequently escalating, with the reduction predominantly ascribed to a decrease in the number of days preceding heading.”
✓ located verbatim in the source · abstract, characters 585–845

t0
“rice”
✓ located verbatim in the source · title, characters 42–46

Title

Optimization of sowing dates for enhanced rice yield: insights from field experiments in the middle and lower reaches of the Yangtze River, China

Yalan Ji; Youzun Xu; Xueyuan Sun; et al. BMC Plant Biology 2024. doi:10.1186/s12870-024-05729-7

Other claims from this paper (10)

Observation Mean daily solar radiation tended to decline across the growing period.
Observation Effective cumulative solar radiation tended to decline across the growing period.
Intervention effect Yield of three rice varieties initially increased then declined with delayed sowing.
Association Solar radiation and effective cumulative temperature were predominant factors affecting grain yield.
Association Path analysis ranked EAT as the largest yield influence, then TSR, with PTQ least.
Association EAT and cumulative TSR correlated positively with spikelets per panicle.
Association EAT and cumulative TSR correlated positively with grain filling.
Association EAT and cumulative TSR correlated positively with grain weight.
Association Higher yield was associated with specified EAT and TSR thresholds.
Recommendation June 6 was identified as the optimal sowing date.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Leaving eight shoulders per cluster improved berry physical properties, soluble solids and colour and reduced juice acidity.

Treatment: leaving eight shoulders per clustere0
Outcome: physical properties of berriese0
Direction: improvinge0

Not reportedTaxonComparator

Verbatim

e0
“vines thinned with leaving eight shoulders per cluster can be recommended as the best effective treatment. The decrease in the yield obtained from this treatment could be compensated by improving physical properties of berries as well as achieving a higher percentage of TSS, better colouration and a lower percentage of acidity in the juice.”
✓ located verbatim in the source · abstract, characters 436–778

Title

EFFECT OF CROP LOAD ON CRIMSON SEEDLESS GRAPES: B( EFFECT OF BERRY THINNING

V. Gerges, Journal of Plant Production 2007. doi:10.21608/jpp.2007.220925

Other claims from this paper (3)

Intervention effect Berry thinning improved Crimson Seedless grape quality.
Intervention effect Leaving eight shoulders per cluster reduced grape yield.
Recommendation The authors recommend thinning to eight shoulders per cluster.

Observationobservedoriginal resultmixedmeasured

Claim · model-written summary

Other hybrids from two-line or three-line crosses had tolerance to photooxidation and premature senescence laid in the middle between japonica 9516 and Shanyou 63.

Taxon: riceOryza sativae1
Material: other hybridse5
Outcome: tolerance to photooxidation and premature senescencee5
Qualifier: laid in the middlee5

Verbatim

e1
“primary photochemical efficiency of PSⅡ (F v/F m), quantum yield of linear electron transport of PSⅡ (Φ PSⅡ), electron transfer rate (ETR) in these rice varieties decreased with their decrease of chlorophyll content during this period”
✓ located verbatim in the source · abstract, characters 476–710

e5
“The tolerance to photooxidation and premature senescence in other hybrids derived from typical two line or three line crossing laid in the middle”
✓ located verbatim in the source · abstract, characters 1633–1778

Title

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition

Xia Li; Jiao De Mao; Liu Liang; et al. Journal of Integrative Plant Biology 2002

Other claims from this paper (16)

“yield decrease”

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