Abstract
The objective of this study was to explore the interaction effect between irrigation and S application on water consumption,dry matter accumulation and grain yield of winter wheat. Field experiments were conducted in 2011-2012 during wheat growth seasons under field conditions. Three water regimes were arranged with no irrigation( rained,W0) during the whole growth period,only once irrigation at jointing stage( W1),and twice irrigation at jointing stage and at anthesis stage( W2),as well as two levels of S application were arranged with 0kg·hm- 1( S0) and 60kg·hm- 1( S60). The results showed that grain yield of wheat and field water consumption increased with increase in irrigation frequency during,but crop water use efficiency gradually decreased. Under the condition of W2,W1 and W0,sulfur compared with no sulfur,the dry matter accumulation,grain yield,water use efficiency( YWUE) and precipitation water use efficiency( PWUE) of winter wheat were significantly improved Among treatments, the dry matter accumulation and yield maximum of S60W2 were 22 082 and 8 087kg·hm- 2; but no significant difference with S60W1.The maximum of YWUE is S60W0,15. 42kg·hm- 2·mm- 1; the maximum of WUEI is S60W1,105. 09kg·hm- 2·mm- 1. Therefore,we concluded that S 60kg·hm- 1combined with only once irrigation during the jointing stage would increase grain yield and water use efficiency of winter wheat under conditions of proportion fertilization and proper moisture in ploughed soil layer before sowing wheat.
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Claims 13
Claim · model-written summary
More irrigation increased grain yield.
- Taxon
- Winter Wheat
Triticum aestivumt0 - Treatment
- increase in irrigation frequencye0
- Outcome
- grain yield of wheate0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield of wheat and field water consumption increased with increase in irrigation frequency during,but crop water use efficiency gradually decreased”
t0“Winter Wheat”
Claim · model-written summary
More irrigation increased field water consumption.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- increase in irrigation frequencye0
- Outcome
- field water consumptione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield of wheat and field water consumption increased with increase in irrigation frequency during,but crop water use efficiency gradually decreased”
t0“Winter Wheat”
Claim · model-written summary
More irrigation decreased crop water use efficiency.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- increase in irrigation frequencye0
- Outcome
- crop water use efficiencye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield of wheat and field water consumption increased with increase in irrigation frequency during,but crop water use efficiency gradually decreased”
t0“Winter Wheat”
Claim · model-written summary
Sulfur improved dry matter accumulation under all three water regimes.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- sulfure0
- Outcome
- dry matter accumulatione0
- Direction
- improvede0
- Qualifier
- W2,W1 and W0e0
- Comparator
- no sulfure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the condition of W2,W1 and W0,sulfur compared with no sulfur,the dry matter accumulation,grain yield,water use efficiency( YWUE) and precipitation water use efficiency( PWUE) of winter wheat were significantly improved”
Claim · model-written summary
Sulfur improved grain yield under all three water regimes.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- sulfure0
- Outcome
- grain yielde0
- Direction
- improvede0
- Qualifier
- W2,W1 and W0e0
- Comparator
- no sulfure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the condition of W2,W1 and W0,sulfur compared with no sulfur,the dry matter accumulation,grain yield,water use efficiency( YWUE) and precipitation water use efficiency( PWUE) of winter wheat were significantly improved”
Claim · model-written summary
Sulfur improved water use efficiency( YWUE) under all three water regimes.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- sulfure0
- Outcome
- water use efficiency( YWUE)e0
- Direction
- improvede0
- Qualifier
- W2,W1 and W0e0
- Comparator
- no sulfure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the condition of W2,W1 and W0,sulfur compared with no sulfur,the dry matter accumulation,grain yield,water use efficiency( YWUE) and precipitation water use efficiency( PWUE) of winter wheat were significantly improved”
Claim · model-written summary
Sulfur improved precipitation water use efficiency( PWUE) under all three water regimes.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- sulfure0
- Outcome
- precipitation water use efficiency( PWUE)e0
- Direction
- improvede0
- Qualifier
- W2,W1 and W0e0
- Comparator
- no sulfure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the condition of W2,W1 and W0,sulfur compared with no sulfur,the dry matter accumulation,grain yield,water use efficiency( YWUE) and precipitation water use efficiency( PWUE) of winter wheat were significantly improved”
Claim · model-written summary
S60W2 had maximum dry matter accumulation of 22 082 kg·hm- 2.
Not reportedTaxon
Verbatim
e0“the dry matter accumulation and yield maximum of S60W2 were 22 082 and 8 087kg·hm- 2”
Claim · model-written summary
S60W2 had maximum yield of 8 087kg·hm- 2.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- S60W2e0
- Outcome
- yielde0
- Direction
- maximume0
- Value
- 8 087kg·hm- 2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dry matter accumulation and yield maximum of S60W2 were 22 082 and 8 087kg·hm- 2”
t0“Winter Wheat”
Claim · model-written summary
S60W2 did not differ significantly from S60W1 in dry matter accumulation and yield.
- Taxon
- Winter WheatTriticum aestivumt0
- Outcome
- dry matter accumulation and yielde0
- Direction
- no significant differencee0
- Comparator
- S60W1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dry matter accumulation and yield maximum of S60W2 were 22 082 and 8 087kg·hm- 2; but no significant difference with S60W1”
t0“Winter Wheat”
Claim · model-written summary
S60W0 had maximum YWUE of 15. 42kg·hm- 2·mm- 1.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- S60W0e0
- Outcome
- YWUEe0
- Direction
- maximume0
- Value
- 15. 42kg·hm- 2·mm- 1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum of YWUE is S60W0,15. 42kg·hm- 2·mm- 1”
t0“Winter Wheat”
Claim · model-written summary
S60W1 had maximum WUEI of 105. 09kg·hm- 2·mm- 1.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- S60W1e0
- Outcome
- WUEIe0
- Direction
- maximume0
- Value
- 105. 09kg·hm- 2·mm- 1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the maximum of WUEI is S60W1,105. 09kg·hm- 2·mm- 1”
t0“Winter Wheat”
Claim · model-written summary
Authors recommend 60 kg·hm- 1 sulfur with one irrigation at jointing for improved wheat grain yield and water use efficiency.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- S 60kg·hm- 1combined with only once irrigation during the jointing stagee0
- Outcome
- grain yield and water use efficiencye0
- Qualifier
- under conditions of proportion fertilization and proper moisture in ploughed soil layer before sowing wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S 60kg·hm- 1combined with only once irrigation during the jointing stage would increase grain yield and water use efficiency of winter wheat under conditions of proportion fertilization and proper moisture in ploughed soil layer before sowing wheat”
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