Claim · model-written summary
The combined foliar and ground nitrogen treatment gave intermediate grapefruit yield.
- Taxon
- grapefruit trees
_Pompelino_Grapefruit_002.jpg?width=60)
Citrus ×paradisie0 - Treatment
- intermediate treatmente0
- Outcome
- yielde0
- Direction
- intermediatee0
- Comparator
- soil-applied treatmente0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Pompelino_Grapefruit_002.jpg?width=500)
Verbatim
e0“For 2 of the next 3 bearing years, the grapefruit trees in the foliar urea N treatment produced significantly less yield than the soil-applied treatment and the intermediate treatment was intermediate.”
Title
Yield of Citrus Trees with Foliar Urea as the Only N Source
L. Gene Albrigo; James P. Syvertsen HortScience 2006. doi:10.21273/hortsci.41.4.1008b
Other claims from this paper (6)
- Intervention effect Foliar urea produced greater early canopy growth.
- Intervention effect Grapefruit under foliar urea yielded significantly less than soil-applied nitrogen in two of three bearing years.
- Intervention effect Orange under foliar urea produced significantly less fruit than soil nitrogen in one of three years.
- Intervention effect Orange yield under foliar urea was numerically lower every year than under soil nitrogen.
- Intervention effect Foliar urea alone cost more than a soil nitrogen program.
- Intervention effect Foliar urea alone was less productive than a soil nitrogen program.