Abstract
Abstract. The article provides an analysis of agrobiological (hybrids, seeding rate) and agrochemical (mineral fertilizers) aspects of increasing the yield and quality of sunflower in the Saratov Trans-Volga region. The results of three-year studies have established that the cultivation of the sunflower hybrid P64LE25 using Ammophos at a dose of 80 kg/ha before the main tillage and Sulfoammophos at a dose of 50 kg/ha when sown at a seeding rate of 60000 pcs. germinating seeds per 1 ha ensures the maximum yield of sunflower oilseeds - 2.02 t/ha. Increasing the seeding rate from 55 thousand to 65 thousand seeds/ha reduced the planting density and field germination by 3.2–3.4%. Mineral fertilization reduced field germination by 0.7–1.5%. The cultivation of the late-ripening hybrid P64LE25 increases the yield of oilseeds by 0.28 t/ha (by 18.8%), oil content by 2.5% compared to the mid-early hybrid P64F66. The seeding rate of 60000 pcs/ha increases the yield of the studied hybrids by 0.23 t/ha (by 15.4%). Mineral fertilization (N8P10S6) provides an increase in the yield of sunflower oil seeds - 0.24 t/ha (by 15.9%), and oil content by 0.4%.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc-nd. 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 8
Claim · model-written summary
Ammophos at 80 kg/ha and Sulfoammophos at 50 kg/ha with a seeding rate of 60000 seeds/ha gave the maximum sunflower oilseed yield of 2.02 t/ha for hybrid P64LE25.
- Taxon
- sunflower
Helianthus annuuse0 - Material
- P64LE25e1
- Treatment
- Ammophos at a dose of 80 kg/ha before the main tillage and Sulfoammophos at a dose of 50 kg/hae1
- Outcome
- yield of sunflower oilseedse1
- Direction
- maximume1
- Value
- 2.02 t/hae1
- Qualifier
- seeding rate of 60000 pcse1
- Setting
- Saratov Trans-Volga regione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e1“the cultivation of the sunflower hybrid P64LE25 using Ammophos at a dose of 80 kg/ha before the main tillage and Sulfoammophos at a dose of 50 kg/ha when sown at a seeding rate of 60000 pcs. germinating seeds per 1 ha ensures the maximum yield of sunflower oilseeds - 2.02 t/ha”
Claim · model-written summary
Late-ripening hybrid P64LE25 increased oilseed yield by 0.28 t/ha compared with mid-early hybrid P64F66.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- late-ripening hybrid P64LE25e2
- Outcome
- yield of oilseedse2
- Direction
- increasese2
- Value
- 0.28 t/hae2
- Comparator
- mid-early hybrid P64F66e2
- Setting
- Saratov Trans-Volga regione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e2“The cultivation of the late-ripening hybrid P64LE25 increases the yield of oilseeds by 0.28 t/ha (by 18.8%), oil content by 2.5% compared to the mid-early hybrid P64F66”
Claim · model-written summary
Late-ripening hybrid P64LE25 increased oil content by 2.5% compared with mid-early hybrid P64F66.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- late-ripening hybrid P64LE25e2
- Outcome
- oil contente2
- Direction
- increasese2
- Value
- 2.5%e2
- Comparator
- mid-early hybrid P64F66e2
- Setting
- Saratov Trans-Volga regione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e2“The cultivation of the late-ripening hybrid P64LE25 increases the yield of oilseeds by 0.28 t/ha (by 18.8%), oil content by 2.5% compared to the mid-early hybrid P64F66”
Claim · model-written summary
A seeding rate of 60000 seeds/ha increased the yield of the studied hybrids by 0.23 t/ha.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- seeding rate of 60000 pcs/hae3
- Outcome
- yielde3
- Direction
- increasese3
- Value
- 0.23 t/hae3
- Setting
- Saratov Trans-Volga regione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e3“The seeding rate of 60000 pcs/ha increases the yield of the studied hybrids by 0.23 t/ha (by 15.4%)”
Claim · model-written summary
Increasing the seeding rate from 55 to 65 thousand seeds/ha reduced planting density and field germination by 3.2–3.4%.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- Increasing the seeding rate from 55 thousand to 65 thousand seeds/hae4
- Outcome
- planting density and field germinatione4
- Direction
- reducede4
- Value
- 3.2–3.4%e4
- Comparator
- 55 thousande4
- Setting
- Saratov Trans-Volga regione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e4“Increasing the seeding rate from 55 thousand to 65 thousand seeds/ha reduced the planting density and field germination by 3.2–3.4%”
Claim · model-written summary
Mineral fertilization (N8P10S6) increased sunflower oilseed yield by 0.24 t/ha.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- Mineral fertilization (N8P10S6)e5
- Outcome
- yield of sunflower oil seedse5
- Direction
- increasee5
- Value
- 0.24 t/hae5
- Setting
- Saratov Trans-Volga regione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e5“Mineral fertilization (N8P10S6) provides an increase in the yield of sunflower oil seeds - 0.24 t/ha (by 15.9%), and oil content by 0.4%”
Claim · model-written summary
Mineral fertilization (N8P10S6) increased sunflower oil content by 0.4%.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- Mineral fertilization (N8P10S6)e5
- Outcome
- oil contente5
- Direction
- increaseinferrede5
- Value
- 0.4%e5
- Setting
- Saratov Trans-Volga regione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e5“Mineral fertilization (N8P10S6) provides an increase in the yield of sunflower oil seeds - 0.24 t/ha (by 15.9%), and oil content by 0.4%”
Claim · model-written summary
Mineral fertilization reduced field germination by 0.7–1.5%.
- Taxon
- sunflowerHelianthus annuuse0
- Treatment
- Mineral fertilizatione6
- Outcome
- field germinatione6
- Direction
- reducede6
- Value
- 0.7–1.5%e6
- Setting
- Saratov Trans-Volga regione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increasing the yield and quality of sunflower in the Saratov Trans-Volga region”
e6“Mineral fertilization reduced field germination by 0.7–1.5%”
The same questions in other papers
fertilization · quality: oil · Helianthus annuus (common sunflower)Results differ
75 papers in the same direction as this paper · 13 in the opposite direction
- no effect
- negative
- no effect
85 papers more in this group
See all 89 papers →density · growth · Helianthus annuus (common sunflower)Positive and negative results
4 papers in the same direction as this paper · 17 in the opposite direction
- positive
- positive
- positive
18 papers more in this group
See all 22 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 · growth · Helianthus annuus (common sunflower)Positive and negative results
11 papers in the same direction as this paper · 134 in the opposite direction
- positive
- positive
- positive
142 papers more in this group
See all 146 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.