Intervention effectmodel-written summary

Raising solution pH significantly decreased spinach root K concentration.

A claim from Effects of Nitrogen Form and pH of Nutrient Solution on the Uptake and Concentrations of Potassium, Calcium, Magnesium and Sodium in Root and Shoot of Spinach Plant · 2010

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Raising solution pH significantly decreased spinach root K concentration.

Taxon
spinach plantSpinacia oleraceat0
Treatment
increasing the nutrient solution pH from 4.5 to 8e0
Outcome
root concentration of Ke0
Direction
decreasede0
Comparator
4.5e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“By increasing the nutrient solution pH from 4.5 to 8, K and Ca uptake by plant, and root concentration of K significantly decreased”

✓ located verbatim in the source · abstract, characters 1295–1426
t0

“Spinach Plant”

✓ located verbatim in the source · title, characters 151–164

Title

Effects of Nitrogen Form and pH of Nutrient Solution on the Uptake and Concentrations of Potassium, Calcium, Magnesium and Sodium in Root and Shoot of Spinach Plant

Nosratollah Najafi; M. Parsazadeh; S J Tabatabaei; et al. 2010

Other claims from this paper (10)

Record rev-5ec6f162da202f6f9846068dbb1b0a165823e00418b9f589347597519618920b · schema claims-v0.9 · position 4 in the model’s answer

ph · molecular: metabolites · Spinacia oleracea (spinach)Positive and negative results

7 papers: 3 positive, 4 negative or no effect

4 papers in the same direction as this claim · 2 in the opposite direction

  1. positive
  2. positive
  3. negative
  4. negative
  5. negative
  6. negative
See all 7 papers →

fertilization · molecular: metabolites · Spinacia oleracea (spinach)Positive and negative results

25 papers: 20 positive, 5 negative or no effect

5 papers in the same direction as this claim · 19 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

16 papers more in this group

See all 25 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.