Intervention effectmodel-written summary

Incorporating P and K into the subsoil increased the mean yield of potatoes by 16%.

A claim from The effects of subsoiling and deep incorporation of P and K fertilizers on the yield and nutrient uptake of barley, potatoes, wheat and sugar beet grown in rotation · 1979

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Incorporating P and K into the subsoil increased the mean yield of potatoes by 16%.

Taxon
potatoesSolanum tuberosume3
Treatment
Incorporating P and K into the subsoile3
Outcome
mean yielde3
Direction
increasede3
Value
16%e3
Setting
sandy loam soil at Woburne0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorQualifier

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

Solanum tuberosum
Solanum tuberosum · TaxonScott Bauer, USDA ARS · Public domain · Wikimedia Commons ↗

Verbatim

e0

“A small-plot experiment on sandy loam soil at Woburn tested the effects of subsoiling by hand”

✓ located verbatim in the source · abstract, characters 8–101
e3

“Incorporating P and K into the subsoil increased the mean yield of potatoes by 16%”

✓ located verbatim in the source · abstract, characters 822–904

Title

The effects of subsoiling and deep incorporation of P and K fertilizers on the yield and nutrient uptake of barley, potatoes, wheat and sugar beet grown in rotation

J. McEwen; A. E. Johnston The Journal of Agricultural Science 1979. doi:10.1017/s0021859600053946

Other claims from this paper (7)

Record rev-5374aeedaed18df7406ebd1d8dc90646c1a18e362d108f96ae1ca61f7a7143ec · schema claims-v0.9 · position 5 in the model’s answer

phosphorus · yield · Solanum tuberosum (potato)Results differ

51 papers: 42 positive, 9 negative or no effect

41 papers in the same direction as this claim · 8 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect
  4. no effect
  5. no effect
  6. no effect
  7. negative
  8. no effect

42 papers more in this group

See all 51 papers →

tillage · yield · Solanum tuberosum (potato)Results differ

52 papers: 34 positive, 18 negative or no effect

33 papers in the same direction as this claim · 12 in the opposite direction · 6 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect
  4. no effect
  5. no effect
  6. no effect
  7. negative
  8. negative

43 papers more in this group

See all 52 papers →

potassium · yield · Solanum tuberosum (potato)Results differ

69 papers: 61 positive, 8 negative or no effect

60 papers in the same direction as this claim · 6 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect
  4. no effect
  5. no effect
  6. no effect
  7. no effect
    Treatment T5 (100% RDF with FYM 20.0 t/ha) gave potato tuber yield of 252.11 q/ha, statistically at par with treatments T7 to T10.

    Response of potato (Solanum tuberosum L.) to integrated nutrient management in alluvial plains of northern Bihar · 2020 · compared with treatments T7-125% RDF + FYM 20.0 t/ha, T8-125% RDF + SMS 4.0 t/ha, T9-150% RDF + FYM 20.0 t/ha and T10-150% RDF + SMS 4.0 t/ha

    No difference from an alternative

  8. no effect

60 papers more in this group

See all 69 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.