Abstract
Abstract. This 2-yr study analyzed the effects of different irrigation regimes of drip irrigation under plastic film on sugar beet production in Xinjiang, China, and established a binary quadratic regression equation and normalization to describe the maximum root yield, sugar yield, and water use efficiency. Three irrigation frequencies (10, 11, and 12 d) and two irrigation water quotas (45 and 60 mm) were combined to form six treatments. Irrigation frequency had a significant effect on root yield at 1% level of significance in both years, but the effects on sugar yield and water use efficiency were nonsignificant. In both years, the sugar yield resulting from 60 mm irrigation water quota at frequency of 11 d increased by 10.8% and 6.5%, respectively, compared with that resulting from 45 mm irrigation water quota at frequency of 11 d. The regression equation based on the experimental observations indicated that in Xinjiang the optimal irrigation regime was 11 d and 55 mm which saved 21.2% irrigation water for the highest sugar beet yield. The data optimization to determine the weight of roots and evapotranspiration found that root growth exhibited a pattern similar to the aboveground crop growth, and the root growth was most rapid in the period 30 July to 10 August. Keywords: Irrigation frequency, Irrigation water quota, Optimal irrigation regime, Root growth, Root yield, Sugar yield, Water use efficiency.
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Claims 6
Claim · model-written summary
Irrigation frequency had a significant effect on root yield at the 1% level in both years.
- Taxon
- Sugar Beet
Beta vulgaris subsp. vulgarist0 - Treatment
- Irrigation frequencye1
- Outcome
- root yielde1
- Value
- 1% levele1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e1“Irrigation frequency had a significant effect on root yield at 1% level of significance in both years”
Claim · model-written summary
Irrigation frequency had no significant effect on sugar yield or water use efficiency.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- Irrigation frequencye1
- Outcome
- sugar yield and water use efficiencye2
- Direction
- nonsignificante2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e1“Irrigation frequency had a significant effect on root yield at 1% level of significance in both years”
e2“but the effects on sugar yield and water use efficiency were nonsignificant”
Claim · model-written summary
A 60 mm water quota at 11-day frequency increased sugar yield by 10.8% and 6.5% over 45 mm.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Treatment
- 60 mm irrigation water quota at frequency of 11 de3
- Outcome
- sugar yielde3
- Direction
- increasede3
- Value
- 10.8% and 6.5%e3
- Comparator
- 45 mm irrigation water quota at frequency of 11 de3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e3“the sugar yield resulting from 60 mm irrigation water quota at frequency of 11 d increased by 10.8% and 6.5%, respectively, compared with that resulting from 45 mm irrigation water quota at frequency of 11 d”
Claim · model-written summary
The optimal regime of 11-day frequency and 55 mm quota saved 21.2% irrigation water for the highest sugar beet yield.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise4
- Treatment
- 11 d and 55 mme4
- Outcome
- irrigation watere4
- Value
- 21.2%e4
- Setting
- Xinjiange4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e4“The regression equation based on the experimental observations indicated that in Xinjiang the optimal irrigation regime was 11 d and 55 mm which saved 21.2% irrigation water for the highest sugar beet yield”
Claim · model-written summary
Sugar beet root growth was most rapid from 30 July to 10 August.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Outcome
- root growthe6
- Qualifier
- 30 July to 10 Auguste6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e5“root growth exhibited a pattern similar to the aboveground crop growth”
e6“the root growth was most rapid in the period 30 July to 10 August”
Claim · model-written summary
Root growth followed a pattern similar to aboveground crop growth.
- Taxon
- Sugar BeetBeta vulgaris subsp. vulgarist0
- Outcome
- root growthe5
- Direction
- similare5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sugar Beet Yield and Water Use Efficiency in Xinjiang”
e5“root growth exhibited a pattern similar to the aboveground crop growth”
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See all 44 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.