Intervention effectmodel-written summary

First-year soybean yields on treated Othello subsoil did not differ significantly from equal surface fertilizer applications.

A claim from Influence of subsoil amelioration with lime, phosphorus and potassium on the yield of soybeans and barley · 1983

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

First-year soybean yields on treated Othello subsoil did not differ significantly from equal surface fertilizer applications.

Taxon
soybeanGlycine maxe0
Treatment
treated subsoil plotse0
Outcome
soybean yieldse0
Direction
not significantly differente0
Comparator
soil receiving the same surface applications of fertilizere0
Setting
Othello (Typic Ochraquult)e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“First year field results on the Othello (Typic Ochraquult) soil indicated that soybean yields on treated subsoil plots were not significantly different from soil receiving the same surface applications of fertilizer.”

✓ located verbatim in the source · abstract, characters 931–1147

Title

Influence of subsoil amelioration with lime, phosphorus and potassium on the yield of soybeans and barley

W.C. Brennan; J.H. Axley Communications in Soil Science and Plant Analysis 1983. doi:10.1080/00103628309367436

Other claims from this paper (7)

Record rev-e64a8b53f1109ca5004ee8c43bbc670d902d085beb836842698658456e1d4c57 · schema claims-v0.9 · position 4 in the model’s answer

tillage · yield · Glycine max (soybean)Positive and negative results

390 papers: 264 positive, 126 negative or no effect

126 papers in the same direction as this claim · 263 reporting no difference from an alternative

  1. positive
    Subsoiling raised mean yield 37% over conventional tillage.

    Irrigation and Tillage Effects on Soybean Yield in a Coastal Plain Soil1 · 1979 · compared with conventionally tilled soybeans

    No difference from an alternativeCited by this paper

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

381 papers more in this group

See all 390 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.