Claim · model-written summary
Ammonium in solution increased shoot phosphorus concentration relative to nitrate alone.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- NH4+ present in the solutionse0
- Outcome
- concentrations of P and Cl in the shootse0
- Direction
- increasede0
- Comparator
- NO3- alonee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With NH4+ present in the solutions, the concentrations of P and Cl in the shoots were increased compared to NO3- alone, whereas the tissue concentrations of Ca and Mg were decreased.”
t0“potatoes”
Title
Study of various NH4+/NO3−mixtures for enhancing growth of potatoes
Weixing Cao; Theodore W. Tibbitts Journal of Plant Nutrition 1993. doi:10.1080/01904169309364643
Other claims from this paper (11)
- Intervention effect Mixed nitrogen significantly increased shoot dry weight relative to either nitrogen form alone.
- Intervention effect Mixed nitrogen significantly increased tuber dry weight relative to either nitrogen form alone.
- Intervention effect Mixed nitrogen significantly increased whole plant dry weight relative to either nitrogen form alone.
- Observation Growth enhancement under mixed nitrogen was greatest at 8% to 20% ammonium nitrogen.
- Intervention effect Mixed nitrogen increased shoot total nitrogen concentration relative to separate forms.
- Intervention effect Mixed nitrogen increased root total nitrogen concentration relative to separate forms.
- Intervention effect Mixed nitrogen increased total nitrogen accumulation in shoots relative to separate forms.
- Intervention effect Mixed nitrogen increased total nitrogen accumulation in roots relative to separate forms.
- Intervention effect Ammonium in solution decreased tissue calcium and magnesium concentrations.
- Recommendation The authors conclude that combined ammonium and nitrate fertilization can enhance nitrogen uptake.
- Recommendation The authors conclude that combined ammonium and nitrate fertilization can enhance potato productivity.