Claim · model-written summary
Leaf N concentration did not increase with applied P.
- Taxon
- Valencia orange trees
Citrus sinensise0 - Treatment
- applied Pe7
- Outcome
- Leaf N concentratione7
- Direction
- no_changeinferrede7
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“young Valencia orange trees”
e7“Leaf N concentration increased with amount of N applied and slightly increased with K applications but not with applied P”
Title
R Sarooshi; RG Weir; BG Coote Australian Journal of Experimental Agriculture 1991. doi:10.1071/ea9910263
Other claims from this paper (13)
- Intervention effect Eight-year-old Sweet Orange trees gave maximum yield at higher N and P rates and medium K.
- Intervention effect At 12 years of age, highest yields occurred at the lowest N rate, medium P and nil K.
- Intervention effect High N without P at year 12 strongly depressed yield, especially on bare soil.
- Intervention effect Phosphorus application at high N rates greatly increased yield.
- Intervention effect Phosphorus application had no effect on yield at lower N rates.
- Intervention effect The effect of nutrients on yield was smaller on Troyer than on Sweet Orange rootstock.
- Intervention effect Leaf N concentration increased with the amount of N applied.
- Intervention effect Leaf N concentration slightly increased with K applications.
- Intervention effect Leaf P concentrations increased with higher rates of applied P, especially in year 12 and at the lowest N rate.
- Observation Rootstock and management affected leaf P concentration.
- Intervention effect Leaf K increased with the amount of K applied.
- Observation Troyer trees under bare soil management had the highest leaf K concentrations, a trend that declined with time.
- Observation Fertiliser effects on tree size were small and varied with rootstock and management.