Intervention effectmodel-written summary

Potassium fertilizer efficiency decreased with increasing potassium rate.

A claim from Study on Potassium Strategy to Maintain Crop High Yield and Potassium Balance in Cropland Under Rice-wheat Rotation Systems · 2014

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Potassium fertilizer efficiency decreased with increasing potassium rate.

Treatment
increase of potassium ratee1
Outcome
potassium fertilizer efficiencye1
Direction
decreasinge1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the yields of rice and wheat were enhanced with the increasing of potassium rate”

✓ located verbatim in the source · abstract, characters 132–212
e1

“The potassium fertilizer efficiency showed an obvious decreasing trend with the increase of potassium rate”

✓ located verbatim in the source · abstract, characters 1408–1514

Title

Study on Potassium Strategy to Maintain Crop High Yield and Potassium Balance in Cropland Under Rice-wheat Rotation Systems

Liu Fen Soils 2014

Other claims from this paper (13)

Record rev-08ddd7c8e62561b38196c0d85d78766b1b90fb09219bd4ac98388ef4db5b55dd · schema claims-v0.9 · position 13 in the model’s answer

potassium · nutrient: efficiency · Triticum aestivum (wheat)Positive and negative results

12 papers: 10 positive, 2 negative or no effect

1 paper in the same direction as this claim · 10 in the opposite direction

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

3 papers more in this group

See all 12 papers →

potassium · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

17 papers: 9 positive, 8 negative or no effect

7 papers in the same direction as this claim · 9 in the opposite direction

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

8 papers more in this group

See all 17 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.