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“yield decrease”

4 matches

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plus 1 non-evaluative

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2010 ’20

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Organism: Panicum virgatum ✕

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Delayed harvest significantly decreased P content in harvested biomass.

Taxon: SwitchgrassPanicum virgatumt0
Treatment: delaying harveste0
Outcome: Pe0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“delaying harvest did result in a significant decrease in both P and K content in the harvested biomass.”
✓ located verbatim in the source · abstract, characters 1090–1193

t0
“Switchgrass”
✓ located verbatim in the source · title, characters 45–56

Title

Yield and Nutrient Concentration Response to Switchgrass Biomass Harvest Date

Amadou Gouzaye; Francis M. Epplin; Yanqi Wu; et al. Agronomy Journal 2014. doi:10.2134/agronj13.0454

Other claims from this paper (4)

Intervention effect Harvest beyond December reduced biomass by an average 5.4% per month.
Intervention effect Harvest beyond November did not significantly change N concentration in biomass.
Intervention effect Delayed harvest significantly decreased K content in harvested biomass.
Observation Biomass production cost was similar across harvest dates.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Delayed harvest significantly decreased K content in harvested biomass.

Taxon: SwitchgrassPanicum virgatumt0
Treatment: delaying harveste0
Outcome: K content in the harvested biomasse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“delaying harvest did result in a significant decrease in both P and K content in the harvested biomass.”
✓ located verbatim in the source · abstract, characters 1090–1193

t0
“Switchgrass”
✓ located verbatim in the source · title, characters 45–56

Title

Yield and Nutrient Concentration Response to Switchgrass Biomass Harvest Date

Amadou Gouzaye; Francis M. Epplin; Yanqi Wu; et al. Agronomy Journal 2014. doi:10.2134/agronj13.0454

Other claims from this paper (4)

Intervention effect Harvest beyond December reduced biomass by an average 5.4% per month.
Intervention effect Harvest beyond November did not significantly change N concentration in biomass.
Intervention effect Delayed harvest significantly decreased P content in harvested biomass.
Observation Biomass production cost was similar across harvest dates.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Reserve depleted switchgrass had 60% larger leaf area than controls.

Taxon: switchgrassPanicum virgatume0
Treatment: reserve‐depletede0
Outcome: leaf areae0
Direction: largere0
Value: 60%e0
Comparator: controle0

Verbatim

e0
“reserve‐depleted switchgrass had 60% larger leaf area (LA; LA control = 149 cm 2 pot −1 vs. LA depleted = 239 cm 2 pot −1 ; p = 0.013)”
✓ located verbatim in the source · abstract, characters 899–1033

Title

A 30% reduction in switchgrass rhizome reserves did not decrease biomass yield

Mauricio Tejera‐Nieves; Berkley J. Walker GCB Bioenergy 2023. doi:10.1111/gcbb.13094

Other claims from this paper (8)

Intervention effect Rhizome respiration at 25°C was 5.3 times that at 5°C.
Intervention effect Storage at 25°C depleted rhizome starch by 30%.
Intervention effect Reserve depleted switchgrass produced about 40% more aboveground biomass than controls.
Observation Reserve depleted switchgrass restored rhizome starch to pre storage levels.
Mechanism Switchgrass increased plant photosynthesis by increasing photosynthetic leaf area.
Observation Photosynthesis per leaf area remained constant.
Observation Switchgrass readjusted the timing and activity of sink organs.
Recommendation The authors suggest breeding to extend the aboveground growing season should not compromise perennial grass persistence.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Rhizome respiration at 25°C was 5.3 times that at 5°C.

Taxon: switchgrassPanicum virgatumt0
Organ / stage: rhizomee0
Treatment: 25°Ce0
Outcome: rhizome respiratione0
Direction: highere0
Value: 5.3×e0
Comparator: 5°Ce0

Verbatim

e0
“During the storage period rhizome respiration was 5.3× higher at 25°C (0.010 μmol CO 2 g −1 min −1 at 5°C vs. 0.054 μmol CO 2 g −1 min −1 at 25°C; p < 0.0001)”
✓ located verbatim in the source · abstract, characters 660–818

t0
“switchgrass”
✓ located verbatim in the source · title, characters 19–30

Title

A 30% reduction in switchgrass rhizome reserves did not decrease biomass yield

Mauricio Tejera‐Nieves; Berkley J. Walker GCB Bioenergy 2023. doi:10.1111/gcbb.13094

Other claims from this paper (8)

Intervention effect Storage at 25°C depleted rhizome starch by 30%.
Intervention effect Reserve depleted switchgrass had 60% larger leaf area than controls.
Intervention effect Reserve depleted switchgrass produced about 40% more aboveground biomass than controls.
Observation Reserve depleted switchgrass restored rhizome starch to pre storage levels.
Mechanism Switchgrass increased plant photosynthesis by increasing photosynthetic leaf area.
Observation Photosynthesis per leaf area remained constant.
Observation Switchgrass readjusted the timing and activity of sink organs.
Recommendation The authors suggest breeding to extend the aboveground growing season should not compromise perennial grass persistence.

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“yield decrease”

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