Abstract
Abstract Winter wheat ( Triticum aestivum L.) yield in dryland areas is optimized by the improvement of genetics in combination with ideal production practices. Different combinations of seeding rate and row spacing can influence the development of wheat plants, impacting wheat yield and its components. To determine the influence of these practices, yield components, water use efficiency (WUE), biomass, and subsequent grain yield were evaluated in an experiment conducted at the High Plains Agricultural Laboratory, Sidney, NE, from 2019 until 2022, using a split‐plot randomized complete block design with four replications. Treatments consisted of four different row spacings (19, 25, 31, and 51 cm), three seeding rates (1.05, 2.1, and 3.1 million seeds ha −1 ), and two high performing winter wheat varieties—‘Ruth’ and ‘Robidoux’. Row spacing showed differences in wheat yield ( p < 0.0001) across all years, with a significant effect of seeding rate only in 1 year and an interaction effect of the three factors in 2022 alone. Higher wheat yield was achieved with the two narrower row spacings (19 and 25 cm) compared to the wider row spacings of 38 and 51 cm. The treatment combining the 19 cm row spacing and either 2.1 or 3.1 million seed ha −1 seeding rate had the greatest yields in most years. Narrower row spacings had improved WUE in drier years as compared to wider row spacings.
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Claims 7
Claim · model-written summary
Wheat yield differed by row spacing across all years.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Row spacinge0
- Outcome
- wheat yielde0
- Qualifier
- across all yearse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Row spacing showed differences in wheat yield ( p < 0.0001) across all years”
Claim · model-written summary
Seeding rate significantly affected yield in only one year.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- seeding ratee0
- Outcome
- productiont0
- Qualifier
- only in 1 yeare0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a significant effect of seeding rate only in 1 year”
t0“wheat production”
Claim · model-written summary
The three factors interacted for wheat yield in 2022 alone.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- three factorse0
- Outcome
- productiont0
- Qualifier
- 2022 alonee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an interaction effect of the three factors in 2022 alone”
t0“wheat production”
Claim · model-written summary
Narrower 19 and 25 cm rows yielded more wheat than wider 38 and 51 cm rows.
- Taxon
- wheatTriticum aestivume0
- Treatment
- two narrower row spacings (19 and 25 cm)e0
- Outcome
- wheat yielde0
- Direction
- Highere0
- Comparator
- wider row spacings of 38 and 51 cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher wheat yield was achieved with the two narrower row spacings (19 and 25 cm) compared to the wider row spacings of 38 and 51 cm”
Claim · model-written summary
The 19 cm row spacing with 2.1 million seed ha −1 produced the greatest yields in most years.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 19 cm row spacing and either 2.1 or 3.1 million seed ha −1 seeding ratee0
- Outcome
- yieldse0
- Direction
- greateste0
- Qualifier
- most yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment combining the 19 cm row spacing and either 2.1 or 3.1 million seed ha −1 seeding rate had the greatest yields in most years”
t0“wheat”
Claim · model-written summary
The 19 cm row spacing with 3.1 million seed ha −1 produced the greatest yields in most years.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- 19 cm row spacing and either 2.1 or 3.1 million seed ha −1 seeding ratee0
- Outcome
- yieldse0
- Direction
- greateste0
- Qualifier
- most yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment combining the 19 cm row spacing and either 2.1 or 3.1 million seed ha −1 seeding rate had the greatest yields in most years”
t0“wheat”
Claim · model-written summary
Narrow rows improved wheat water use efficiency in drier years.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Narrower row spacingse0
- Outcome
- WUEe0
- Direction
- improvede0
- Qualifier
- drier yearse0
- Comparator
- wider row spacingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Narrower row spacings had improved WUE in drier years as compared to wider row spacings”
t0“wheat”
The same questions in other papers
density · yield · Triticum aestivum (wheat)Positive and negative results
375 papers in the same direction as this paper · 115 in the opposite direction · 7 reporting no difference from an alternative
- no effect
- negative
- negative
494 papers more in this group
See all 498 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.