Claim · model-written summary
A November double dose increased four-year cumulative yield by 30%.
- Taxon
- Avocado
Persea americanat0 - Treatment
- N application at 56 kg·ha -1e0
- Outcome
- 4-year cumulative yielde0
- Direction
- increasede0
- Value
- 30%e0
- Comparator
- control treese0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two phenological stages were identified for which N application at 56 kg·ha -1 in a single application (double dose of N) significantly increased the 4-year cumulative yield (kilograms fruit per tree) 30% and 39%, respectively, compared to control trees ( P ≤ 0.01).”
t0“Avocado”
Title
Properly Timed Soil-applied Nitrogen Fertilizer Increases Yield and Fruit Size of `Hass' Avocado
Carol J. Lovatt Journal of the American Society for Horticultural Science 2001. doi:10.21273/jashs.126.5.555
Other claims from this paper (10)
- Intervention effect An April double dose increased four-year cumulative yield by 39%.
- Observation More than 70% of the net yield increase was large fruit.
- Intervention effect Double-dose nitrogen at either stage increased the weight and number of large fruit.
- Intervention effect Only November double-dose nitrogen increased four-year average yield.
- Intervention effect January double-dose nitrogen did not significantly affect average or cumulative yield or fruit size.
- Intervention effect February double-dose nitrogen did not significantly affect average or cumulative yield or fruit size.
- Intervention effect June double-dose nitrogen did not significantly affect average or cumulative yield or fruit size.
- Intervention effect April double-dose nitrogen reduced alternate bearing severity.
- Association Yield was not significantly correlated with leaf nitrogen concentration.
- Association At equal nitrogen amounts, application timing was more important than application rate.