Claim · model-written summary
Tuber number decreased with growth until flowering following earlier nitrogen application.
- Taxon
- potato plant
Solanum tuberosumt0 - Outcome
- number of tuberse0
- Direction
- decreasede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the number of tubers decreased and one-tuber weight increased with growth until the flowering stage”
t0“Production efficiency of nitrogen absorbed by-potato plant at various growth stages”
Title
Production efficiency of nitrogen absorbed by-potato plant at various growth stages
Mitsuru Osaki; Takuji Nakamura; Toshiaki Tadano Soil Science & Plant Nutrition 1993. doi:10.1080/00380768.1993.10419175
Other claims from this paper (9)
- Observation Partial production efficiency of absorbed nitrogen fell rapidly after the lowering stage.
- Intervention effect Continuous nitrogen after the lowering stage did not increase primary first-order tuber number or one-tuber weight.
- Intervention effect Nitrogen topdressing after flowering adversely affected tuber yield, especially near harvest.
- Observation With nitrogen after flowering, tuber number was nearly constant.
- Observation With nitrogen after flowering, one-tuber weight decreased.
- Intervention effect Nitrogen before the lowering stage did not affect yield.
- Observation One-tuber weight increased with growth until flowering following earlier nitrogen application.
- Intervention effect Nitrogen application did not raise photosynthetic rate during tuber swelling.
- Intervention effect Authors concluded nitrogen during tuber swelling did not improve and could reduce the rise in yield.