Intervention effectmodel-written summary

Pre-emergence herbicides decreased pea photosynthesis and nitrogen content.

A claim from Effects of herbicides on nodulation, symbiotic nitrogen fixation, growth and yield of pea (Pisum sativum) · 1999

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Pre-emergence herbicides decreased pea photosynthesis and nitrogen content.

Treatment
pre-emergence herbicidese0
Outcome
net photosynthesis, leaf area, root and shoot dry weight, nitrogen contente0
Direction
decreasede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Lathyrus oleraceus
Lathyrus oleraceus · TaxonRenee Comet (photographer) AV Number: AV-9400-4164 · Public domain · Wikimedia Commons ↗

Verbatim

e0

“All pre-emergence herbicides decreased nodulation, total nitrogenase activity, net photosynthesis, leaf area, root and shoot dry weight, nitrogen content and seed yield of peas.”

✓ located verbatim in the source · abstract, characters 331–508

Title

Effects of herbicides on nodulation, symbiotic nitrogen fixation, growth and yield of pea (Pisum sativum)

G. SINGH; D. WRIGHT The Journal of Agricultural Science 1999. doi:10.1017/s0021859699006735

Other claims from this paper (7)

Record rev-5ca1e5d7bf48c4d9a1f002d066d1ce029cc0c84c5258f02d120cfbd3e9a101ac · schema claims-v0.9 · position 2 in the model’s answer

herbicide · physiology: photosynthesis · Lathyrus oleraceus (pea)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. positive
See all 2 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.