Claim · model-written summary
For the best economic yield, the nitrogen, phosphate and potash fertilization ratio is 7.47∶4.49∶3.
- Taxon
- sunflower
Helianthus annuust0 - Outcome
- fertilization ratioe6
- Value
- 7.47∶4.49∶3e6
- Qualifier
- best economic yielde6
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“yields of sunflower”
e6“the best economic yield's fertilization ratio among nitrogen,phosphate,and potash is 7.47∶4.49∶3”
Title
The effects of different fertilization structure on yields of sunflower in saline alkali soil
HE Wen-shou Ganhan diqu nongye yanjiu 2011
Other claims from this paper (5)
- Intervention effect In alkali soil, sunflower production reached its maximum, 183.2 kg/667m2, at 10.56 kg/667m2 nitrogen.
- Intervention effect In alkali soil, sunflower production reached its maximum, 156.9 kg/667m2, at 5.71 kg/667m2 phosphorus.
- Intervention effect In saline soil, sunflower production reached its maximum, 222.6 kg/667m2, at 10.51 kg/667m2 nitrogen.
- Intervention effect In saline soil, sunflower production reached its maximum, 195.8 kg/667m2, at 5.78 kg/667m2 phosphorus.
- Recommendation For maximum production, the nitrogen, phosphate and potash fertilization ratio is 10.51∶5.78∶3.