Intervention effectmodel-written summary

Without current nitrogen, prior fertigation raised total leaf area, yield and total dry weight.

A claim from Growth and Fruiting of Young `Concord' Grapevines in Relation to Reserve Nitrogen and Carbohydrates · 2004

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Without current nitrogen, prior fertigation raised total leaf area, yield and total dry weight.

Taxon
grapevinesVitist0
Treatment
N supply from fertigation the previous yeare0
Outcome
vine total leaf area, fruit yield, and total dry weighte0
Direction
increasede0
Qualifier
no N was provided during the regrowth periode0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

Vitis
Vitis · Taxon · picture of the genus (one of its species)Victor M. Vicente Selvas · Public domain · Wikimedia Commons ↗

Verbatim

e0

“When no N was provided during the regrowth period, vine total leaf area, fruit yield, and total dry weight increased with increasing N supply from fertigation the previous year”

✓ located verbatim in the source · abstract, characters 1101–1277
t0

“Grapevines”

✓ located verbatim in the source · title, characters 39–49

Title

Growth and Fruiting of Young `Concord' Grapevines in Relation to Reserve Nitrogen and Carbohydrates

Lailiang Cheng; Guohai Xia; Terry Bates Journal of the American Society for Horticultural Science 2004. doi:10.21273/jashs.129.5.660

Other claims from this paper (7)

Record rev-2a6e7f7f925533ca68d15a82a15301c0b7d9ae5d49c99d111173497244f3624d · schema claims-v0.9 · position 5 in the model’s answer

nitrogen · yield · VitisResults differ

33 papers: 25 positive, 8 negative or no effect

8 papers in the same direction as this claim · 24 in the opposite direction

This claim is about lacking the nutrient, so it counts the other way round here.

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

24 papers more in this group

See all 33 papers →

fertilization · yield · VitisResults differ

107 papers: 97 positive, 10 negative or no effect

96 papers in the same direction as this claim · 9 in the opposite direction · 1 reporting no difference from an alternative

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

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.