Abstract
The objective of this work was to evaluate the response of sunflower cultivars submitted to increasing levels of phosphate fertilization in two crops. The experimental design was a randomized complete block design with four replicates in subdivided plots, where five doses of simple superphosphate (0, 50, 100, 150, and 200 kg ha-1 P2O5) were allocated to the plots and three sunflower cultivars (Aguará 06, Altis 99, and Embrapa 122-V2000) were assigned to the subplots. The variables evaluated were the P content in the diagnostic leaf, number of achenes per capitulum, achene yield (kg ha-1), oil content (%) and oil yield. The phosphorus doses increased the components of production. The dose that provided the best sunflower performance varied for the different cultivars. Among the doses studied, fertilization with 100 kg ha-1 P2O5 in the 2016 agricultural crop and 150 kg ha-1 P2O5 in the 2017 agricultural crop provided the best conditions for sunflower cultivation. The cultivar Aguará 06 produced more achenes and oil than the other cultivars analyzed in the agricultural crops.
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Claims 6
Claim · model-written summary
Phosphorus doses increased sunflower production components.
- Taxon
- Sunflower
Helianthus annuust0 - Treatment
- Phosphorus dosese0
- Outcome
- components of productione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phosphorus doses increased the components of production.”
t0“Sunflower performance”
Claim · model-written summary
The best fertilizer dose for sunflower performance varied among cultivars.
- Taxon
- sunflowerHelianthus annuuse0
- Material
- different cultivarse0
- Outcome
- best sunflower performancee0
- Direction
- variede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dose that provided the best sunflower performance varied for the different cultivars.”
Claim · model-written summary
Among tested doses, 100 kg ha-1 P2O5 gave the best sunflower cultivation conditions in 2016.
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- 100 kg ha-1 P2O5e0
- Outcome
- best conditions for sunflower cultivatione0
- Direction
- beste0
- Qualifier
- 2016 agricultural crope0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilization with 100 kg ha-1 P2O5 in the 2016 agricultural crop and 150 kg ha-1 P2O5 in the 2017 agricultural crop provided the best conditions for sunflower cultivation”
t0“Sunflower performance”
Claim · model-written summary
Among tested doses, 150 kg ha-1 P2O5 gave the best sunflower cultivation conditions in 2017.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- 150 kg ha-1 P2O5e0
- Outcome
- best conditions for sunflower cultivatione0
- Direction
- beste0
- Qualifier
- 2017 agricultural crope0
- Comparator
- Among the doses studiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the doses studied, fertilization with 100 kg ha-1 P2O5 in the 2016 agricultural crop and 150 kg ha-1 P2O5 in the 2017 agricultural crop provided the best conditions for sunflower cultivation”
Claim · model-written summary
Aguará 06 produced more achenes than the other sunflower cultivars.
- Taxon
- SunflowerHelianthus annuust0
- Material
- Aguará 06e0
- Outcome
- achenese0
- Direction
- moree0
- Comparator
- other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivar Aguará 06 produced more achenes and oil than the other cultivars analyzed in the agricultural crops.”
t0“Sunflower performance”
Claim · model-written summary
Aguará 06 produced more oil than the other sunflower cultivars.
- Taxon
- SunflowerHelianthus annuust0
- Material
- Aguará 06e0
- Outcome
- oile0
- Direction
- moree0
- Comparator
- other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cultivar Aguará 06 produced more achenes and oil than the other cultivars analyzed in the agricultural crops.”
t0“Sunflower performance”
The same questions in other papers
phosphorus · yield · Helianthus annuus (common sunflower)Results differ
78 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- no effect
77 papers more in this group
See all 81 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.