Claim · model-written summary
Critical available soil P at those doses was 6.75 mg dm-3.
- Taxon
- sunflower
Helianthus annuust0 - Outcome
- soil available Pe0
- Value
- 6.75 mg dm-3e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“6.75 mg dm-3 for soil available P extracted by Mehlich-1”
t0“sunflower”
Title
Nitrogen and phosphorus fertilization of sunflower crop in alkaline Cambisol
Daniely F. Braga; Fabio H. T. de Oliveira; Hemmannuella C. Santos; et al. Revista Brasileira de Engenharia Agrícola e Ambiental 2018. doi:10.1590/1807-1929/agriambi.v22n2p101-106
Other claims from this paper (7)
- Intervention effect Sunflower growth increased with nitrogen dose.
- Intervention effect Sunflower yield increased with nitrogen dose.
- Intervention effect Sunflower growth increased with P2O5 dose.
- Intervention effect Sunflower yield increased with P2O5 dose.
- Observation A combined 30 kg ha-1 N and P2O5 dose was more economical and yielded 2378 kg ha-1.
- Observation Critical N leaf content at those doses was 28.2 g kg-1.
- Observation Critical P leaf content at those doses was 2.84.