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“yield decrease”

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paper W4403242676 ✕

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Net photosynthetic rate, stomatal conductance and intercellular CO2 first increased and then decreased as nitrogen application rose.

Taxon: Sweet PotatoIpomoea batatast0
Treatment: increasing N applicatione0
Outcome: net photosynthetic rate, stomatal conductance, and intercellular CO2 concentratione0
Direction: first increase and then decreasee0

Not reportedComparator

Verbatim

e0
“The net photosynthetic rate, stomatal conductance, and intercellular CO2 concentration first increase and then decrease with increasing N application.”
✓ located verbatim in the source · abstract, characters 860–1010

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

Tuber number, fresh weight and dry weight initially increased and then decreased as nitrogen application rose.

Taxon: Sweet PotatoIpomoea batatast0
Outcome: number of tubers per plant, fresh weight of the tubers, and dry weight of the tuberse0
Direction: increase initially and then decreasee0

Not reportedTreatmentComparator

Verbatim

e0
“the number of tubers per plant, fresh weight of the tubers, and dry weight of the tubers increase initially and then decrease”
✓ located verbatim in the source · abstract, characters 1214–1339

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 Potassium fertilizer significantly affected net photosynthetic rate, stomatal conductance and intercellular CO2 concentration.
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 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 glutamine synthetase activity and soluble protein content first increased and then decreased with increasing nitrogen application.

Taxon: sweet potatoIpomoea batatase0
Organ / stage: leavese0
Treatment: increasing N applicatione0
Gene: glutamine synthetase (GS)e0
Outcome: activity of glutamine synthetase (GS) and the soluble protein contente0
Direction: increase first and then decreasee0

Not reportedComparator

Verbatim

e0
“the activity of glutamine synthetase (GS) and the soluble protein content in sweet potato leaves increase first and then decrease with increasing N application”
✓ located verbatim in the source · abstract, characters 438–597

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 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 Potassium fertilizer significantly affected net photosynthetic rate, stomatal conductance and intercellular CO2 concentration.
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 resultpositivesignificant (as stated)measured

Claim · model-written summary

Potassium application significantly increased leaf glutamine synthetase activity and soluble protein content.

Taxon: sweet potatoIpomoea batatase0
Organ / stage: leavese0
Treatment: K applicatione0
Outcome: activity of GS and the soluble protein contente0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“sweet potato leaves increase first and then decrease with increasing N application, while K application can significantly increase the activity of GS and the soluble protein content.”
✓ located verbatim in the source · abstract, characters 515–697

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

Claim · model-written summary

Sweet potato vine length increased continuously with increasing nitrogen application.

Taxon: Sweet PotatoIpomoea batatast0
Treatment: N application ratee0
Outcome: vine lengthe0
Direction: increasese0

Not reportedComparator

Verbatim

e0
“As the N application rate increases, the starch and protein content in the tubers increase, while the soluble sugar content decreases. However, the number of tubers per plant, fresh weight of the tubers, and dry weight of the tubers increase initially and then decrease, while the vine length continuously increases.”
✓ located verbatim in the source · abstract, characters 1070–1386

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

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“yield decrease”

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