Intervention effectmodel-written summary

Fertilizer placement at 0, 25 or 50 cm depths had no significant effect on grape yield or on the P content of petioles or leaf blades.

A claim from Grape response to phosphorus fertilizer: Petiole to blade P ratio as a guide for fertilizer application · 1990

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Fertilizer placement at 0, 25 or 50 cm depths had no significant effect on grape yield or on the P content of petioles or leaf blades.

Taxon
grapee0
Treatment
Three fertilizer placements (0, 25, and 50 cm depths)e1
Outcome
grape yielde0
Direction
no_changeinferrede0
Qualifier
P content of petioles or leaf bladese0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

Verbatim

e0

“The results of this investigation indicated that fertilizer placement did not have a significant effect on grape yield nor the P content of petioles or leaf blades”

✓ located verbatim in the source · abstract, characters 996–1159
e1

“Three fertilizer placements (0, 25, and 50 cm depths)”

✓ located verbatim in the source · abstract, characters 765–818

Title

Grape response to phosphorus fertilizer: Petiole to blade P ratio as a guide for fertilizer application

M.M. Janat; J.L. Stroehlein; M. Pessarakli; et al. Communications in Soil Science and Plant Analysis 1990. doi:10.1080/00103629009368262

Other claims from this paper (2)

Record rev-95f2d6f8f54aafd210b17e560cf0bb9bbdca864fc9dba9eeb869cc8600f129b7 · schema claims-v0.9 · position 1 in the model’s answer

fertilization · yield · VitisResults differ

107 papers: 97 positive, 10 negative or no effect

10 papers in the same direction as this claim · 96 in the opposite direction

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

98 papers more in this group

See all 107 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.