Abstract
The paper presents data on the seed yield and thousand seed weight of confectionery sunflower (Helianthus annuus L.) varieties cultivated in the Northern Steppe of Ukraine. The study was conducted on three varieties-populations and one F1 hybrid. The study design included two types of basic tillage, three doses of fertilizer, and three plant densities. The seed yield significantly (P = 0.05) depended on the year of testing (the contribution of the year factor to the total variability was 38.88%), plant density (29.30%) and fertilizer dose (14.43%). It also depended on the tillage type (3.01%) and varietal characteristics (0.87%). The highest yield of seeds (up to 4.24 t/ha) was obtained with moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 40,800 plants/ha. The thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%), plant density (26.75%) and variety (25.92%), as well as under the influence of fertilization (3.24%) and tillage (3.75%). The largest thousand seed weight (up to 122.3 g) was obtained with moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 20,400 plants/ha. Recommendations on the farming technique for confectionery sunflower have been drawn up.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 12
Claim · model-written summary
Year explained 38.88% of significant seed-yield variability.
- Taxon
- SUNFLOWER
Helianthus annuust0 - Outcome
- seed yielde0
- Value
- 38.88%e0
- Setting
- year of testinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed yield significantly (P = 0.05) depended on the year of testing (the contribution of the year factor to the total variability was 38.88%)”
t0“SUNFLOWER”
Claim · model-written summary
Plant density explained 29.30% of seed-yield variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- plant densitye0
- Outcome
- seed yielde1
- Value
- 29.30%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant density (29.30%)”
e1“seed yield significantly (P = 0.05) depended on the year of testing (the contribution of the year factor to the total variability was 38.88%), plant density (29.30%)”
t0“SUNFLOWER”
Claim · model-written summary
Fertilizer dose explained 14.43% of seed-yield variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- fertilizer dosee0
- Outcome
- seed yielde1
- Value
- 14.43%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizer dose (14.43%)”
e1“seed yield significantly (P = 0.05) depended on the year of testing (the contribution of the year factor to the total variability was 38.88%), plant density (29.30%) and fertilizer dose (14.43%)”
t0“SUNFLOWER”
Claim · model-written summary
Tillage type explained 3.01% of seed-yield variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- tillage typee0
- Outcome
- seed yieldt0
- Value
- 3.01%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tillage type (3.01%)”
e1“It also depended on the tillage type (3.01%) and varietal characteristics (0.87%).”
t0“EVALUATION OF SEED YIELD AND THOUSAND SEED WEIGHT OF CONFECTIONERY SUNFLOWER”
Claim · model-written summary
Varietal characteristics explained 0.87% of seed-yield variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Material
- varietal characteristicse0
- Outcome
- seed yieldt0
- Value
- 0.87%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“varietal characteristics (0.87%)”
e1“It also depended on the tillage type (3.01%) and varietal characteristics (0.87%).”
t0“EVALUATION OF SEED YIELD AND THOUSAND SEED WEIGHT OF CONFECTIONERY SUNFLOWER”
Claim · model-written summary
Moldboard plowing with stated fertilizer doses and 40,800 plants/ha gave up to 4.24 t/ha seed yield.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 40,800 plants/hae0
- Outcome
- yield of seedse0
- Direction
- higheste0
- Value
- 4.24 t/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest yield of seeds (up to 4.24 t/ha) was obtained with moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 40,800 plants/ha”
t0“SUNFLOWER”
Claim · model-written summary
Year explained 32.11% of thousand-seed-weight variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Outcome
- thousand seed weighte0
- Value
- 32.11%e0
- Setting
- year of testinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%)”
t0“SUNFLOWER”
Claim · model-written summary
Plant density explained 26.75% of thousand-seed-weight variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- plant densitye0
- Outcome
- thousand seed weighte1
- Value
- 26.75%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant density (26.75%)”
e1“The thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%)”
t0“SUNFLOWER”
Claim · model-written summary
Variety explained 25.92% of thousand-seed-weight variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Material
- varietye0
- Outcome
- thousand seed weighte1
- Value
- 25.92%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“variety (25.92%)”
e1“The thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%)”
t0“SUNFLOWER”
Claim · model-written summary
Fertilization explained 3.24% of thousand-seed-weight variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- fertilizatione0
- Outcome
- thousand seed weighte1
- Value
- 3.24%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilization (3.24%)”
e1“The thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%)”
t0“SUNFLOWER”
Claim · model-written summary
Tillage explained 3.75% of thousand-seed-weight variability.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- tillagee0
- Outcome
- thousand seed weighte1
- Value
- 3.75%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tillage (3.75%)”
e1“The thousand seed weight significantly (P=0.05) changed under the influence of the year of testing (32.11%)”
t0“SUNFLOWER”
Claim · model-written summary
Moldboard plowing with stated fertilizer doses and 20,400 plants/ha gave up to 122.3 g thousand-seed weight.
- Taxon
- SUNFLOWERHelianthus annuust0
- Treatment
- moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 20,400 plants/hae0
- Outcome
- thousand seed weighte0
- Direction
- largeste0
- Value
- 122.3 ge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“largest thousand seed weight (up to 122.3 g) was obtained with moldboard plowing, NPK fertilizer doses of 40:60:60 and 60:80:80 and plant density of 20,400 plants/ha”
t0“SUNFLOWER”
The same questions in other papers
tillage · yield · Helianthus annuus (common sunflower)Positive and negative results
49 papers in the same direction as this paper · 16 in the opposite direction · 4 reporting no difference from an alternative
- no effect
- no effect
- negative
66 papers more in this group
See all 70 papers →density · yield · Helianthus annuus (common sunflower)Positive and negative results
69 papers in the same direction as this paper · 15 in the opposite direction
- no effect
- negative
- negative
81 papers more in this group
See all 85 papers →fertilization · yield · Helianthus annuus (common sunflower)Positive and negative results
343 papers in the same direction as this paper · 18 in the opposite direction · 3 reporting no difference from an alternative
- no effect
- no effect
- no effect
361 papers more in this group
See all 365 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.