Claim · model-written summary
Copper at 2 and 4 kg/ha did not increase beet yields.
- Taxon
- beets
Beta vulgarise0 - Treatment
- Cu at 2 and 4 kg/hae0
- Outcome
- yieldse0
- Direction
- did not increasee0
- Setting
- Prince Edward Islande0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The addition of Cu at 2 and 4 kg/ha did not increase the yields of carrots, beets, onions, or rutabagas grown in soils normally used for these crops in Prince Edward Island”
Title
EFFECT OF APPLIED COPPER ON VEGETABLE CROPS GROWN IN PRINCE EDWARD ISLAND
J. A. CUTCLIFFE; UMESH C. GUPTA Canadian Journal of Soil Science 1983. doi:10.4141/cjss83-078
Other claims from this paper (5)
- Intervention effect Copper at 2 and 4 kg/ha did not increase carrot yields.
- Intervention effect Copper at 2 and 4 kg/ha did not increase onion yields.
- Intervention effect Copper at 2 and 4 kg/ha did not increase rutabaga yields.
- Observation Leaf tissue copper concentration across these vegetables ranged from 6 to 14 ppm.
- Intervention effect Added copper generally did not affect leaf tissue copper concentrations.