Intervention effectmodel-written summary

Some UAN and herbicide combinations reduced wheat grain yields at North Platte.

A claim from Cultural Practices in Wheat (Triticum aestivum), on Weeds in Subsequent Fallow and Sorghum (Sorghum bicolor) · 1995

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Some UAN and herbicide combinations reduced wheat grain yields at North Platte.

Treatment
UAN was applied with 2,4-D ester, 2,4-D amine plus dicamba, or metsulfuron plus 2,4-D plus NISe0
Outcome
grain yieldse0
Direction
reducede0
Comparator
handweeded checke0
Setting
North Plattee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleValueQualifier

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

“At North Platte in 1988–89, when UAN was applied with 2,4-D ester, 2,4-D amine plus dicamba, or metsulfuron plus 2,4-D plus NIS grain yields were reduced compared to the handweeded check on wheat planted Sept. 15”

✓ located verbatim in the source · abstract, characters 1066–1278

Title

Cultural Practices in Wheat (Triticum aestivum), on Weeds in Subsequent Fallow and Sorghum (Sorghum bicolor)

Gail A. Wicks; Duane A. Martin; Garold W. Mahnken Weed Science 1995. doi:10.1017/s0043174500081443

Other claims from this paper (17)

Record rev-e57a833dabc5116cfbad6b3f5b83c14cb951549af6dbcfa4eb54b7ffda9faa05 · schema claims-v0.9 · position 10 in the model’s answer

urea ammonium nitrate · yield · Triticum aestivum (wheat)Results differ

13 papers: 10 positive, 3 negative or no effect

3 papers in the same direction as this claim · 9 in the opposite direction

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

4 papers more in this group

See all 13 papers →

2,4-D · yield · Triticum aestivum (wheat)Results differ

116 papers: 78 positive, 38 negative or no effect

37 papers in the same direction as this claim · 78 in the opposite direction

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

107 papers more in this group

See all 116 papers →

amine · yield · Triticum aestivum (wheat)Positive and negative results

8 papers: 4 positive, 4 negative or no effect

3 papers in the same direction as this claim · 4 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. no effect
  6. negative
  7. negative
See all 8 papers →

3 of 7 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.