Intervention effectmodel-written summary

Full nitrogen at tillering had the highest weed biomass, 353.6 kg h -1 in 2005/06 and 224.1 kg h -1 in 2006/07.

A claim from Integration Effects of Split Nitrogen Fertilization and Herbicide Application on Weed Management and Wheat Yield · 2012

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Full nitrogen at tillering had the highest weed biomass, 353.6 kg h -1 in 2005/06 and 224.1 kg h -1 in 2006/07.

Treatment
full N (304 kg urea ha -1 ) application at tillering stagee0
Interactor
weede0weed
Outcome
weed biomasse0
Direction
higheste0
Value
353.6 kg h -1e0
Qualifier
224.1 kg h -1e0
Comparator
zero N application at sowing and stem elongation stagese0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSetting

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the highest (353.6 kg h -1 in 2005/06 and 224.1 kg h -1 in 2006/07) and the lowest (65.6 kg h -1 in 2005/06, and 24.0 kg h -1 in 2006/07) weed biomass were obtained from the full N (304 kg urea ha -1 ) application at tillering stage and zero N application at sowing and stem elongation stages”

✓ located verbatim in the source · abstract, characters 743–1035
t0

“Wheat”

✓ located verbatim in the source · title, characters 101–106

Title

Integration Effects of Split Nitrogen Fertilization and Herbicide Application on Weed Management and Wheat Yield

Sahar Sheibani; H. Ghadiri Journal of Agricultural Science and Technology 2012

Other claims from this paper (16)

Record rev-8bc5676b2cefc8c018e95ca1a3ac70cb260cafe441e8aceb483ae9dd3c8535d9 · schema claims-v0.9 · position 5 in the model’s answer

tillage · weed · Triticum aestivum (wheat)Results differ

183 papers: 126 positive, 57 negative or no effect

56 papers in the same direction as this claim · 126 in the opposite direction

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

174 papers more in this group

See all 183 papers →

nitrogen · weed · Triticum aestivum (wheat)Positive and negative results

41 papers: 27 positive, 14 negative or no effect

13 papers in the same direction as this claim · 27 in the opposite direction

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

32 papers more in this group

See all 41 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.