Claim · model-written summary
Nitrogen topdressing had little influence on leaf P, Ca++, and Mg++ contents.
- Taxon
- upland rice
Oryza sativat0 - Treatment
- nitrogen topdressing ratese0
- Outcome
- contents of P, Ca++, Mg++e0
- Direction
- little influencede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As nitrogen topdressing rates increased, leaf contents of N, Fe++, and Zn++ increased, while S and Mn++ decreased; however, contents of P, Ca++, Mg++, B, and Cu++ were little influenced.”
t0“upland rice”
Title
Samuel Ferrari; Luis Fernando dos Santos Cordeiro; Luís Guilherme Delovo Carara; et al. Research Society and Development 2020. doi:10.33448/rsd-v9i11.9409
Other claims from this paper (14)
- Intervention effect Increasing nitrogen topdressing increased leaf N content.
- Intervention effect Increasing nitrogen topdressing increased leaf Fe++ content.
- Intervention effect Increasing nitrogen topdressing increased leaf Zn++ content.
- Intervention effect Increasing nitrogen topdressing decreased leaf S content.
- Intervention effect Increasing nitrogen topdressing decreased leaf Mn++ content.
- Intervention effect Nitrogen topdressing had little influence on leaf B and Cu++ contents.
- Intervention effect Trinexapac-ethyl had little influence on leaf N, P and S contents.
- Intervention effect Trinexapac-ethyl had little influence on leaf B and Zn++ contents.
- Intervention effect Trinexapac-ethyl increased leaf P, Ca++ and Mg++ contents.
- Intervention effect Trinexapac-ethyl increased leaf Fe++ and Mn++ contents.
- Intervention effect Trinexapac-ethyl decreased leaf Cu++ content.
- Intervention effect Trinexapac-ethyl applied at tillering did not decrease rice yield.
- Intervention effect About 120 kg N ha-1 topdressing increased upland rice grain yield by 58% in one crop year.
- Intervention effect About 120 kg N ha-1 topdressing increased upland rice grain yield by 46% in the next crop year.