Intervention effectmodel-written summary

N deficiency significantly reduced total dry weight of cotton by 7% at 76 DAP.

A claim from Canopy development and photosynthesis of cotton as influenced by nitrogen nutrition · 1990

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

N deficiency significantly reduced total dry weight of cotton by 7% at 76 DAP.

Taxon
cotton (Gossypium hirsutum L.)Gossypium hirsutume0
Treatment
Nitrogen deficiencye1
Outcome
Total dry weighte2
Direction
reducede2
Value
7%e2
Qualifier
at 76 days after planting (DAP)e2
Comparator
N‐sufficient plantse3
Setting
Field experimentse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor role

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Field experiments were conducted to document the effects of N nutrition on photosynthesis, canopy growth, and yield of cotton (Gossypium hirsutum L.)”

✓ located verbatim in the source · abstract, characters 211–360
e1

“Nitrogen deficiency limited dry matter accumulation of leaves, stems and bolls”

✓ located verbatim in the source · abstract, characters 362–440
e2

“Total dry weight of N‐deficient plants was significantly reduced by 7% at 76 days after planting (DAP) and by over 18% at 118 DAP”

✓ located verbatim in the source · abstract, characters 442–571
e3

“Leaf area index (LAI) of N‐deficient canopies was significantly decreased at 76 DAP, with an LAI at 118 DAP of 2.5 versus 3.6 for N‐sufficient plants”

✓ located verbatim in the source · abstract, characters 573–722

Title

Canopy development and photosynthesis of cotton as influenced by nitrogen nutrition

S. D. Wullschleger; D. M. Oosterhuis Journal of Plant Nutrition 1990. doi:10.1080/01904169009364140

Other claims from this paper (8)

Record rev-eee6181ffeebcdf035daf884239aec8c0a3325a4ab63ad5341b991c8f3a2e3c0 · schema claims-v0.9 · position 1 in the model’s answer

nitrogen · growth · Gossypium hirsutum (cotton)Positive and negative results

153 papers: 129 positive, 24 negative or no effect

128 papers in the same direction as this claim · 21 in the opposite direction · 3 reporting no difference from an alternative

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

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

144 papers more in this group

See all 153 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.