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“yield decrease”

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2020

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paper W3122219831 ✕

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Sphagnum decreased the pH of the nutrient solution.

Taxon: lettuceLactuca sativae3
Treatment: Sphagnume3
Outcome: pHe3
Direction: decreasee3
Qualifier: in the nutrient solutione3

Not reportedComparator

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum increased ammonium accumulation in the nutrient solution.
Intervention effect Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.
Intervention effect Wood gave low lettuce yields.
Observation Hemp degraded 30% of its material within 8 weeks.
Observation About 10% of sphagnum and wood materials were degraded within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.

Taxon: lettuceLactuca sativae3
Treatment: Sphagnume3
Outcome: yielde3
Direction: higheste3
Qualifier: at moderate phenolic acid contentse3

Not reportedComparator

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum decreased the pH of the nutrient solution.
Intervention effect Sphagnum increased ammonium accumulation in the nutrient solution.
Intervention effect Wood gave low lettuce yields.
Observation Hemp degraded 30% of its material within 8 weeks.
Observation About 10% of sphagnum and wood materials were degraded within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Wood gave low lettuce yields.

Taxon: lettuceLactuca sativae3
Treatment: woode4
Outcome: yieldse4
Direction: Lowe4

Not reportedComparator

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

e4
“Low yields were obtained on wood”
✓ located verbatim in the source · abstract, characters 1545–1577

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum decreased the pH of the nutrient solution.
Intervention effect Sphagnum increased ammonium accumulation in the nutrient solution.
Intervention effect Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.
Observation Hemp degraded 30% of its material within 8 weeks.
Observation About 10% of sphagnum and wood materials were degraded within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Sphagnum increased ammonium accumulation in the nutrient solution.

Taxon: lettuceLactuca sativae3
Treatment: Sphagnume3
Outcome: accumulation of ammoniume3
Direction: increaseinferrede3
Qualifier: in the nutrient solutione3

Not reportedComparator

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum decreased the pH of the nutrient solution.
Intervention effect Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.
Intervention effect Wood gave low lettuce yields.
Observation Hemp degraded 30% of its material within 8 weeks.
Observation About 10% of sphagnum and wood materials were degraded within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Hemp degraded 30% of its material within 8 weeks.

Taxon: lettuceLactuca sativae3
Treatment: hempe5
Outcome: degradede5
Value: 30%e5
Qualifier: Within 8 weekse5

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

e5
“Within 8 weeks, 30% of the hemp and about 10% of both sphagnum and wood materials were degraded”
✓ located verbatim in the source · abstract, characters 1072–1167

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum decreased the pH of the nutrient solution.
Intervention effect Sphagnum increased ammonium accumulation in the nutrient solution.
Intervention effect Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.
Intervention effect Wood gave low lettuce yields.
Observation About 10% of sphagnum and wood materials were degraded within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

Observationobservedoriginal resultmeasured

Claim · model-written summary

About 10% of sphagnum and wood materials were degraded within 8 weeks.

Taxon: lettuceLactuca sativae3
Treatment: sphagnum and wood materialse5
Outcome: degradede5
Value: about 10%e5
Qualifier: Within 8 weekse5

Verbatim

e3
“Sphagnum caused a pH decrease and accumulation of ammonium in the nutrient solution and allowed the highest yield for lettuce at moderate phenolic acid contents”
✓ located verbatim in the source · abstract, characters 1383–1543

e5
“Within 8 weeks, 30% of the hemp and about 10% of both sphagnum and wood materials were degraded”
✓ located verbatim in the source · abstract, characters 1072–1167

Title

Soilless Cultivation: Dynamically Changing Chemical Properties and Physical Conditions of Organic Substrates Influence the Plant Phenotype of Lettuce

Annika Nerlich; Dennis Dannehl Frontiers in Plant Science 2021. doi:10.3389/fpls.2020.601455

Other claims from this paper (10)

Intervention effect Sphagnum moss is a suitable substitute substrate for lettuce, contrary to hemp.
Intervention effect Hemp increased phenolic acid contents in lettuce.
Intervention effect Hemp gave poor lettuce yield.
Intervention effect Sphagnum decreased the pH of the nutrient solution.
Intervention effect Sphagnum increased ammonium accumulation in the nutrient solution.
Intervention effect Sphagnum gave the highest lettuce yield at moderate phenolic acid contents.
Intervention effect Wood gave low lettuce yields.
Observation Hemp degraded 30% of its material within 8 weeks.
Observation All investigated substrates had good physical properties for lettuce.
Observation The substrates differed in decomposition stability.

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