Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher density decreased carbohydrate accumulation duration by 13%.

Taxon: soybeanGlycine maxe0
Treatment: PD3e0
Outcome: continuous accumulation time ( t c ) of these carbohydratese0
Direction: decreasee0
Value: 13%e0
Comparator: lower planting density (PD1)e1

Verbatim

e0
“a 29% decrease in the maximum accumulation rate ( c max ) of sucrose, lignin, and cellulose was observed, along with a 13% decrease in the continuous accumulation time ( t c ) of these carbohydrates in intercropped soybean at PD3”
✓ located verbatim in the source · abstract, characters 1163–1392

e1
“compared to the lower planting density (PD1)”
✓ located verbatim in the source · abstract, characters 1103–1147

Title

Quantifying the effects of plant density on soybean lodging resistance and growth dynamics in maize-soybean strip intercropping

Li Wang; Bin Cheng; Tao Zhou; et al. Frontiers in Plant Science 2023. doi:10.3389/fpls.2023.1264378

Other claims from this paper (9)

Intervention effect Maize shading reduced lignin accumulation in soybean stems relative to monoculture.
Intervention effect Maize shading decelerated soybean organ growth relative to monoculture.
Intervention effect Higher planting density reduced maximum dry matter growth rate by 28% in intercropped soybean.
Intervention effect Higher planting density decreased time to maximum dry matter growth rate by 11% in intercropped soybean.
Intervention effect Higher density decreased maximum accumulation rate of sucrose, lignin, and cellulose by 29%.
Mechanism Shading preferentially allocated assimilates to soybean stems and enhanced early plant height.
Observation At later stages a greater share of sucrose was allocated to soybean leaves.
Mechanism Shading hindered sucrose conversion to stem lignin and cellulose, reducing lodging resistance index.
Recommendation The authors recommend optimizing intercropping density to alleviate shading and enhance productivity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Shading reduced stomatal density.

Taxon: soybeanGlycine maxt0
Treatment: shadinge1
Outcome: stomatal density (Nstoma)e0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“soybean”
✓ located after whitespace/quote normalisation · title, characters 36–43

e0
“The yield decrease was due to the decrease of total biomass (TDW), branch number, node number, pod number, and seed number, and stomatal density (Nstoma) without any change in harvest index (HI) and guard cell length (Lguard).”
✓ located verbatim in the source · abstract, characters 1090–1316

e1
“seed yield decreased from 248 g m −2 to 205 g m −2 by the difference of shading.”
✓ located verbatim in the source · abstract, characters 1009–1089

Title

Yield Performance of Shade Tolerant Soybean Cultivars under Shaded Environment at Various Planting Densities

A Saryoko; Z Yursak; Y Astuti; et al. IOP Conference Series Earth and Environmental Science 2021. doi:10.1088/1755-1315/715/1/012029

Other claims from this paper (7)

Intervention effect Greater shading reduced soybean seed yield from 248 to 205 g m −2.
Intervention effect Shading reduced total biomass, branch number, node number, pod number and seed number.
Intervention effect Harvest index and guard cell length did not change with shading.
Intervention effect Normal planting density gave better seed yield and total dry weight than high density.
Observation Deep-shaded Dena-1 at normal density achieved 230 g m −2 seed yield.
Intervention effect Deep-shaded Dena-1 yield declined significantly to 161 g m −2 at high density.
Recommendation The authors recommend Dena-1 at single-row density of 12.5 plants m −2 to maintain yield under shade.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher density decreased maximum accumulation rate of sucrose, lignin, and cellulose by 29%.

Taxon: soybeanGlycine maxe0
Treatment: PD3e0
Outcome: maximum accumulation rate ( c max ) of sucrose, lignin, and cellulosee0
Direction: decreasee0
Value: 29%e0
Comparator: lower planting density (PD1)e1

Verbatim

e0
“a 29% decrease in the maximum accumulation rate ( c max ) of sucrose, lignin, and cellulose was observed, along with a 13% decrease in the continuous accumulation time ( t c ) of these carbohydrates in intercropped soybean at PD3”
✓ located verbatim in the source · abstract, characters 1163–1392

e1
“compared to the lower planting density (PD1)”
✓ located verbatim in the source · abstract, characters 1103–1147

Title

Quantifying the effects of plant density on soybean lodging resistance and growth dynamics in maize-soybean strip intercropping

Li Wang; Bin Cheng; Tao Zhou; et al. Frontiers in Plant Science 2023. doi:10.3389/fpls.2023.1264378

Other claims from this paper (9)

Intervention effect Maize shading reduced lignin accumulation in soybean stems relative to monoculture.
Intervention effect Maize shading decelerated soybean organ growth relative to monoculture.
Intervention effect Higher planting density reduced maximum dry matter growth rate by 28% in intercropped soybean.
Intervention effect Higher planting density decreased time to maximum dry matter growth rate by 11% in intercropped soybean.
Intervention effect Higher density decreased carbohydrate accumulation duration by 13%.
Mechanism Shading preferentially allocated assimilates to soybean stems and enhanced early plant height.
Observation At later stages a greater share of sucrose was allocated to soybean leaves.
Mechanism Shading hindered sucrose conversion to stem lignin and cellulose, reducing lodging resistance index.
Recommendation The authors recommend optimizing intercropping density to alleviate shading and enhance productivity.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

The authors propose opposing direct and K9-mediated shade effects on stomatal density.

Taxon: soybeanGlycine maxt0
Compound: K9e0
Outcome: stomatal densitye0
Qualifier: a direct effect in which shade reduces numbers, and an indirect effect in which a decrease in K9 content allows an increase in stomatal densitye0

Verbatim

e0
“a direct effect in which shade reduces numbers, and an indirect effect in which a decrease in K9 content allows an increase in stomatal density”
✓ located verbatim in the source · abstract, characters 911–1054

t0
“soybean”
✓ located verbatim in the source · title, characters 78–85

Title

The effects of shading on kaempferol content and leaf characteristics of five soybean lines

B. R. Buttery; J. D. Gaynor; R. I. Buzzell; et al. Physiologia Plantarum 1992. doi:10.1034/j.1399-3054.1992.860213.x

Other claims from this paper (4)

Intervention effect Shade reduced leaf flavonoids per leaf and per area.
Intervention effect Shade did not affect stomatal density in K9-containing lines.
Intervention effect Shade reduced stomatal density in lines lacking K9.
Association K9 quantity was highly correlated with stomatal density across treatments.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Leaf water potential did not decline under low photon flux density.

Taxon: soybeanGlycine maxt0
Treatment: low PFDe0
Outcome: Ψle0
Direction: did not decreasee0

Verbatim

e0
“Ψl in the plant exposed to low PFD did not decrease”
✓ located verbatim in the source · abstract, characters 557–608

t0
“Responses of Soybean Leaf Angle, Photosynthesis and Stomatal Conductance to Leaf and Soil Water Potential”
✓ located verbatim in the source · title, characters 0–105

Title

Responses of Soybean Leaf Angle, Photosynthesis and Stomatal Conductance to Leaf and Soil Water Potential

LUIS M. ROSA; LUCIA R. DILLENBURG; IRWIN N. FORSETH Annals of Botany 1991. doi:10.1093/oxfordjournals.aob.a088099

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Higher planting density decreased time to maximum dry matter growth rate by 11% in intercropped soybean.

Taxon: soybeanGlycine maxe0
Treatment: higher planting density (PD3)e0
Outcome: time taken to reach the maximum dry matter growth rate ( t e )e0
Direction: decreasee0
Value: 11%e0
Comparator: lower planting density (PD1)e0

Verbatim

e0
“intercropped soybean at higher planting density (PD3) exhibited a 28% reduction in the maximum dry matter growth rate ( c m ) and a 11% decrease in the time taken to reach the maximum dry matter growth rate ( t e ) compared to the lower planting density (PD1)”
✓ located verbatim in the source · abstract, characters 888–1147

Title

Quantifying the effects of plant density on soybean lodging resistance and growth dynamics in maize-soybean strip intercropping

Li Wang; Bin Cheng; Tao Zhou; et al. Frontiers in Plant Science 2023. doi:10.3389/fpls.2023.1264378

Other claims from this paper (9)

Intervention effect Maize shading reduced lignin accumulation in soybean stems relative to monoculture.
Intervention effect Maize shading decelerated soybean organ growth relative to monoculture.
Intervention effect Higher planting density reduced maximum dry matter growth rate by 28% in intercropped soybean.
Intervention effect Higher density decreased maximum accumulation rate of sucrose, lignin, and cellulose by 29%.
Intervention effect Higher density decreased carbohydrate accumulation duration by 13%.
Mechanism Shading preferentially allocated assimilates to soybean stems and enhanced early plant height.
Observation At later stages a greater share of sucrose was allocated to soybean leaves.
Mechanism Shading hindered sucrose conversion to stem lignin and cellulose, reducing lodging resistance index.
Recommendation The authors recommend optimizing intercropping density to alleviate shading and enhance productivity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Compaction tended to decrease lateral root nodulation in 1977.

Taxon: SoybeanGlycine maxt0
Treatment: compactione1
Outcome: lateral root nodulatione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“and tended to decrease lateral root nodulation.”
✓ located verbatim in the source · abstract, characters 1533–1580

t0
“Soybean”
✓ located verbatim in the source · title, characters 27–34

e1
“Bulk density was increased significantly both years by tractor compaction.”
✓ located verbatim in the source · abstract, characters 774–848

Title

Soil Compaction Effects on Soybean Nodulation, N₂ (C₂H₄) Fixation and Seed Yield¹

W. C. Lindemann; G. E. Ham; G. W Randall Agronomy Journal 1982. doi:10.2134/agronj1982.00021962007400020012x

Other claims from this paper (8)

Intervention effect Tractor compaction significantly increased soil bulk density in both years.
Intervention effect In dry 1976, seed yields on compacted plots exceeded the noncompacted yield, without a significant difference.
Intervention effect The two pass treatment significantly increased taproot nodulation and acetylene reduction relative to noncompacted plots.
Intervention effect Lateral root nodulation and acetylene reduction differed little under compaction in 1976.
Intervention effect In wet 1977 compaction significantly decreased plant growth and taproot nodulation.
Intervention effect Compaction did not affect acetylene reduction in 1977.
Association In wet 1977, seed yield declined with increasing compaction, without a statistically different yield.
Association The compaction effect depended on growing season precipitation.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soybean in crop rotation decreased soil density by 0.06-0.08 g/cm3 compared with repeated and permanent soybean crops.

Taxon: soybeanGlycine maxt0
Treatment: Cultivation of soybean in the crop rotatione1
Outcome: soil densitye1
Direction: decreasee1
Value: 0.06-0.08 g/cm3e1
Comparator: repeated and permanent soybean cropse1

Verbatim

t0
“soybean cultivation”
✓ located verbatim in the source · title, characters 40–59

e1
“Cultivation of soybean in the crop rotation in the end of the growing season resulted in increase, in 20-cm soil layer, in the moisture content available to plants by 6.0-6.8 mm, general porosity by 2.3-2.9%, decrease in soil density by 0.06-0.08 g/cm3 in comparison with repeated and permanent soybean crops”
✓ located verbatim in the source · abstract, characters 484–792

Title

Comparative assessment of the method of soybean cultivation in the Amur region

Konstantin A. Nikulchev; Evgeniya V. Banetskaya Far Eastern Agrarian Herald 2020. doi:10.22450/1999-6837-2020-3-58-67

Other claims from this paper (8)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Decreased PAR and R/FR at high density was associated with significant internode and plant height elongation.

Taxon: soybeanGlycine maxt0
Treatment: high densitye2
Outcome: elongation of internodes and plant heighte2
Direction: increaseinferrede2

Verbatim

t0
“internode elongation of soybean stems”
✓ located verbatim in the source · title, characters 25–62

e2
“the decrease of PAR and R/FR led to significant elongation of internodes and plant height in high density”
✓ located verbatim in the source · abstract, characters 814–919

Title

The relationship between internode elongation of soybean stems and spectral distribution of light in the canopy under different plant densities

Yao Xu; Chang Wang; Rui Zhang; et al. Plant Production Science 2020. doi:10.1080/1343943x.2020.1847666

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Intercrops significantly decreased the photosynthetic rates of non-shaded soybean leaves.

Taxon: SoybeanGlycine maxe5
Organ / stage: non-shadede5
Treatment: intercropse5
Outcome: Soybean photosynthetic ratese5
Direction: decreasee5

Not reportedComparator

Verbatim

e5
“There was a significant decrease and increase of Soybean photosynthetic rates of both non-shaded and partially shaded leaves respectively within the intercrops, whereas population density caused a significant decline in non-shaded and partially shaded leaves”
✓ located verbatim in the source · abstract, characters 1129–1387

Title

Inter cropping and population density effects on yield component, seed quality and photosynthesis of sorghum and soybean

Elijah M. Akunda Journal of Food Technology in Africa 2001. doi:10.4314/jfta.v6i3.19298

Other claims from this paper (13)

Intervention effect Normal density soybean populations significantly increased pod number per plant compared with low density populations.
Intervention effect High plant populations reduced the number of soybean pods per plant.
Intervention effect Population density increased the protein seed yield of soybean.
Intervention effect Intercropping hardly altered the protein seed yield of soybean.
Intervention effect Population density significantly decreased the seed oil content of soybean.
Intervention effect Intercropping significantly decreased the seed oil content of soybean.
Mechanism The protein and oil content of soybean is explained by the photosynthetic responses of partially shaded and fully exposed leaves.
Intervention effect Intercrops significantly increased the photosynthetic rates of partially shaded soybean leaves.
Intervention effect Population density significantly declined the photosynthetic rates of non-shaded and partially shaded soybean leaves.
Intervention effect The interaction of population density and intercropping increased the percent seed protein of soybean.
Intervention effect The interaction of population density and intercropping decreased the percent oil content of soybean.
Intervention effect The interaction of population density and intercropping decreased the photosynthetic rates of partially shaded sorghum and soybean leaves.
Recommendation The authors conclude that population density and intercropping may be a viable alternative for manipulating the productivity of sorghum and soybean.

“decrease in density”

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