Abstract
Abstract Water use and sucrose yield of sugarbeets ( Beta vulgaris L. cv. USH 10) as a function of decreasing water applications were investigated to determine if sucrose yield per unit of water use would increase with limited irrigation. The sugarbeets were fall‐planted in a silty clay soil and irrigated uniformly for 6 weeks to establish seedling stands and to wet soil to the 152‐cm depth. Thereafter, 102 mm water was applied whenever cumulative ET from sugarbeets growing in an adequately watered weighing lysimeter reached 91, 102, 112, 122, 133, or 143 mm water. Soil was sampled to the 152‐cm depth, in 30.5‐cm increments, before each irrigation after 12 November and at harvest. Water use was calculated from changes in soil water content between irrigations and applied water. Water applications, after the initial uniform applications, varied from 609 to 940 mm in six to nine irrigations plus 25 mm rainfall. Water use was linearly related to lysimeter ET. During differential treatment, water use varied from 11% above to 23% below the amount needed to replace lysimeter ET. Total seasonal water use varied from 900 to 1,195 mm. Lysimeter ET averaged 67% of pan evaporation after leaves completely covered the soil. Neither sucrose content nor yield was affected by irrigation treatments. Sucrose yields averaged 13 and 18 metric tons/ha on 14 May and 24 June, respectively. With limited irrigation, sucrose yield per unit of water use increased as much as 22% above the treatment that matched lysimeter ET. The soil salinity did not increase sufficiently to require immediate leaching for any of the treatments.
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Claims 10
Claim · model-written summary
Water use was linearly related to lysimeter ET.
- Taxon
- sugarbeets
Beta vulgaris subsp. vulgarist0 - Treatment
- lysimeter ETe0
- Outcome
- Water usee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water use was linearly related to lysimeter ET”
t0“Sugarbeets”
Claim · model-written summary
Water use during differential treatments ranged from 11% above to 23% below replacement ET.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- water usee0
- Value
- 11% above to 23% belowe0
- Comparator
- lysimeter ETe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During differential treatment, water use varied from 11% above to 23% below the amount needed to replace lysimeter ET”
t0“Sugarbeets”
Claim · model-written summary
Seasonal water use ranged from 900 to 1,195 mm.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- Total seasonal water usee0
- Value
- 900 to 1,195 mme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total seasonal water use varied from 900 to 1,195 mm”
t0“Sugarbeets”
Claim · model-written summary
Lysimeter ET averaged 67% of pan evaporation after canopy closure.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- Lysimeter ETe0
- Value
- 67%e0
- Qualifier
- after leaves completely covered the soile0
- Comparator
- pan evaporatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lysimeter ET averaged 67% of pan evaporation after leaves completely covered the soil”
t0“Sugarbeets”
Claim · model-written summary
Irrigation did not affect sucrose content.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Treatment
- irrigation treatmentse0
- Outcome
- sucrose contente0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither sucrose content nor yield was affected by irrigation treatments”
t0“Sugarbeets”
Claim · model-written summary
Irrigation did not affect sucrose yield.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Treatment
- irrigation treatmentse0
- Outcome
- yielde0
- Direction
- Neithere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Neither sucrose content nor yield was affected by irrigation treatments”
t0“Sugarbeets”
Claim · model-written summary
Sucrose yield averaged 13 metric tons/ha on 14 May.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- Sucrose yieldse0
- Value
- 13 and 18 metric tons/hae0
- Qualifier
- 14 Maye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sucrose yields averaged 13 and 18 metric tons/ha on 14 May and 24 June, respectively”
t0“Sugarbeets”
Claim · model-written summary
Sucrose yield averaged 18 metric tons/ha on 24 June.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- Sucrose yieldse0
- Value
- 18 metric tons/hae0
- Qualifier
- 24 Junee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sucrose yields averaged 13 and 18 metric tons/ha on 14 May and 24 June, respectively”
t0“Sugarbeets”
Claim · model-written summary
Limited irrigation increased sucrose yield per unit water use by up to 22%.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Treatment
- limited irrigatione0
- Outcome
- sucrose yield per unit of water usee0
- Direction
- increasede0
- Value
- 22%e0
- Comparator
- the treatment that matched lysimeter ETe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With limited irrigation, sucrose yield per unit of water use increased as much as 22% above the treatment that matched lysimeter ET”
t0“Sugarbeets”
Claim · model-written summary
Soil salinity did not rise enough to require immediate leaching.
- Taxon
- sugarbeetsBeta vulgaris subsp. vulgarist0
- Outcome
- soil salinitye0
- Direction
- did not increase sufficientlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil salinity did not increase sufficiently to require immediate leaching for any of the treatments”
t0“Sugarbeets”
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