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“decrease of the photosynthesis”

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plus 1,117 non-evaluative

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plus 2 earlier · 1900s–1930s

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Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained economic index by 7 percentage.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: economic indexe0
Direction: decreasede0
Value: 7 percentagee0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained plant height by 17.3 cm.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: plant heighte0
Direction: decreasede0
Value: 17.3 cme0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained ear height by 9.0 cm.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: ear heighte0
Direction: decreasede0
Value: 9.0 cme0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: stem diametere0
Direction: decreasede0
Value: 2.7 mme0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: intercellular CO2 concentratione0
Direction: decreasede0
Value: 25.3%e0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: net photosynthetic ratee0
Direction: decreasede0
Value: 2.0%e0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Amidosulfuron down-regulated the expression of A9, bHLH91 and a putative cell wall protein in rapeseed flower buds.

Taxon: Rapeseedt0
Treatment: amidosulfurone0
Gene: A9, bHLH91 and putative cell wall protein LOC106368794e5
Outcome: A9, bHLH91 and putative cell wall protein LOC106368794e5
Direction: Down-regulatione5
Comparator: controle4

Verbatim

t0
“in Rapeseed”
✓ located verbatim in the source · title, characters 142–153

e0
“In the first several days after exposure to amidosulfuron at a gametocidal dose of ca. 1 μg per plant, the plants showed the earliest symptoms including short retard of raceme elongation, slight chlorosis on leaf, and decrease of photosynthesis rate”
✓ located verbatim in the source · abstract, characters 331–580

e4
“A comparison of transcriptomic profiling data of the young flower buds of the treated plants with the control identified 142 up-regulated and 201 down-regulated differential expression transcripts with functional annotations”
✓ located verbatim in the source · abstract, characters 974–1198

e5
“Down-regulation of several interesting genes encoding PAIR1, SDS, PPD2, HFM1, CSTF77, A6, ALA6, UGE1, FLA20, A9, bHLH91 and putative cell wall protein LOC106368794, and up-regulation of autophagy-related protein ATG8A indicated functional abnormalities about cell cycle, cell wall formation, chloroplast structure, and tissue autophagy”
✓ located verbatim in the source · abstract, characters 1200–1535

Title

Acetolactate Synthase-Inhibiting Gametocide Amidosulfuron Causes Chloroplast Destruction, Tissue Autophagy, and Elevation of Ethylene Release in Rapeseed

Xi-Qiong Liu; Cheng-Yu Yu; Jun-Gang Dong; et al. Frontiers in Plant Science 2017. doi:10.3389/fpls.2017.01625

Other claims from this paper (17)

Intervention effect Amidosulfuron at a gametocidal dose caused a short retardation of raceme elongation in rapeseed early after exposure.
Intervention effect Amidosulfuron caused slight chlorosis on rapeseed leaves in the first days after exposure.
Intervention effect Amidosulfuron reduced the photosynthetic rate and leaf chlorophyll content of rapeseed.
Intervention effect Amidosulfuron reduced soluble sugar and pyruvate contents in rapeseed plants.
Intervention effect Amidosulfuron altered the contents of several free amino acids in rapeseed plants, direction not stated.
Intervention effect Amidosulfuron deformed chloroplasts in leaf and anther epidermis and tapetal plastids of rapeseed.
Intervention effect Amidosulfuron caused autophagic vacuoles in tapetal cells and uni-nucleate microspores, which degenerated quickly.
Intervention effect Amidosulfuron treatment yielded 142 up-regulated differential expression transcripts in young flower buds.
Intervention effect Amidosulfuron treatment yielded 201 down-regulated differential expression transcripts in young flower buds.
Intervention effect Amidosulfuron down-regulated the expression of PAIR1, SDS and PPD2 genes in rapeseed flower buds.
Intervention effect Amidosulfuron down-regulated the expression of HFM1, CSTF77 and A6 genes in rapeseed flower buds.
Intervention effect Amidosulfuron down-regulated the expression of ALA6, UGE1 and FLA20 genes in rapeseed flower buds.
Intervention effect Amidosulfuron up-regulated the autophagy-related protein ATG8A in rapeseed flower buds.
Intervention effect Amidosulfuron up-regulated the ethylene-responsive transcription factor RAP2-11-like in rapeseed flower buds.
Intervention effect Amidosulfuron elevated the ethylene release rate of rapeseed.
Mechanism The gene expression changes indicate functional abnormalities in cell cycle, cell wall formation, chloroplast structure and tissue autophagy of amidosulfuron-treated rapeseed.
Association Metabolic decrease related to photosynthesis and energy supply is associated with amidosulfuron-induced male sterility in rapeseed.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

The increase in RuBP content was proportional to inhibition of photosynthetic capacity.

Taxon: soybeanGlycine maxe0
Treatment: abscisic acide1
Outcome: increase in RuBP contente0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“soybean leaves simultaneously decreased quantum yield and carboxylation efficiency. These decreases were proportional to the accompanying decrease of light-saturated photosynthetic rate under normal atmosphere. ABA did not affect the CO2 compensation point at saturating irradiance, or the stimulation of net photosynthesis produced when the partial pressure of oxygen was reduced from 210 to 20 mPa Pa−1 at a rate-limit…” Show full quote
✓ located verbatim in the source · abstract, characters 59–941

e1
“Injecting abscisic acid (ABA) into the petiole of attached soybean leaves simultaneously decreased quantum yield and carboxylation efficiency”
✓ located verbatim in the source · abstract, characters 0–141

Title

Abscisic Acid Simultaneously Decreases Carboxylation Efficiency and Quantum Yield in Attached Soybean Leaves

DAVID A. WARD; JAMES A. BUNCE Journal of Experimental Botany 1987. doi:10.1093/jxb/38.7.1182

Other claims from this paper (9)

Intervention effect Abscisic acid decreased quantum yield in attached soybean leaves.
Intervention effect Abscisic acid decreased carboxylation efficiency in attached soybean leaves.
Intervention effect The decreases in quantum yield and carboxylation efficiency were proportional to the decrease in light-saturated photosynthetic rate.
Intervention effect Abscisic acid did not affect the CO2 compensation point at saturating irradiance.
Intervention effect Abscisic acid did not alter the net photosynthesis stimulation caused by reducing oxygen partial pressure at rate-limiting irradiance.
Intervention effect The activation status of RuBP carboxylase was insensitive to abscisic acid.
Intervention effect Abscisic acid decreased photosynthetic capacity in soybean leaves.
Intervention effect Abscisic acid increased RuBP content in soybean leaves at saturating irradiance under normal atmosphere.
Intervention effect Photosynthetic rate of abscisic-acid-treated leaves did not increase after irradiance rose within the light-limited range.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: dry matter productione0
Direction: lesse0
Value: 168.8 kg/hae0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Subsoiling at jointing reduced or constrained grain yield by 1 662.0 kg/ha.

Taxon: Summer MaizeZea mayst0
Material: Zhendan958e1
Treatment: subsoiling at jointing stagee0
Outcome: grain yielde0
Direction: reducede0
Value: 1 662.0 kg/hae0
Comparator: non-subsoilinge0

Verbatim

t0
“Summer Maize”
✓ located verbatim in the source · title, characters 87–99

e0
“compared with non-subsoiling,subsoiling at jointing stage achieved the following characters: plant height and ear height decreased by 17.3 cm and 9.0 cm,stem diameter decreased by 2.7 mm,and one leaf less;the increase of LAI before silking was limited,while decrease of LAI after silking was slow;stomatal conductance,intercellular CO2 concentration,transpiration rate,net photosynthetic rate of ear leaves decreased 38%…” Show full quote
✓ located verbatim in the source · abstract, characters 302–1013

e1
“Zhendan958 was applied in the field experiment.”
✓ located verbatim in the source · abstract, characters 0–47

Title

Effects of Subsoiling at Jointing Stage on Dry Matter Production and Photosynthesis of Summer Maize

Dongxing Zhang Yumi kexue 2013

Other claims from this paper (17)

Intervention effect Subsoiling at jointing reduced or constrained plant height by 17.3 cm.
Intervention effect Subsoiling at jointing reduced or constrained ear height by 9.0 cm.
Intervention effect Subsoiling at jointing reduced or constrained stem diameter by 2.7 mm.
Intervention effect Subsoiling at jointing reduced or constrained leaf by one leaf.
Intervention effect Subsoiling at jointing reduced or constrained LAI before silking.
Intervention effect Subsoiling at jointing reduced or constrained LAI after silking.
Intervention effect Subsoiling at jointing reduced or constrained stomatal conductance by 38%.
Intervention effect Subsoiling at jointing reduced or constrained intercellular CO2 concentration by 25.3%.
Intervention effect Subsoiling at jointing reduced or constrained transpiration rate by 42.5%.
Intervention effect Subsoiling at jointing reduced or constrained net photosynthetic rate by 2.0%.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 1 519.5 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained dry matter production by 168.8 kg/ha.
Intervention effect Subsoiling at jointing reduced or constrained grain number by 100.
Intervention effect Subsoiling at jointing reduced or constrained economic index by 7 percentage.
Intervention effect The two nitrogen regimes did not differ significantly for the studied outcomes.
Association No subsoiling by nitrogen regime interaction was observed.
Recommendation The authors conclude that jointing-stage subsoiling is unsuitable.

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“decrease of the photosynthesis”

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