Abstract
The purpose of this study is to clarify the dynamic change characteristics and potential of water use efficiency(WUE) of cotton production in Shihezi cultivated area of Xinjiang.Based on the data of cotton yield,precipitation,irrigation water consumption in typical farm,the dynamic change of WUE of cotton production over the past 50 years was calculated,and the potential and major measures for increasing WUE in study area were analyzed.Results showed that cotton yield in Shihezi cultivated area increased from 150kg/ha in the early 1950s to 1 759kg/ha at the present,while water consumption of cotton production during the same period decreased from 477.48mm to 415.00mm,a decrease of 13.09 percent.Over the same period,WUE of cotton increased from 1.07kg/ha/mm to 3.95kg/ha/mm,an increase of 2.69 times.Probably,such measures as soil improvement, increased use of fertilizers and extension of plastic mulched cultivation,and new crop varieties use contributes to the increase of cotton yield and WUE in the region.The optimal amount recommended for nitrogen fertilizer use is 225kg/ha in the region.Regarding the relatively lower nitrogen fertilizer use in the region (200kg/ha currently),the increased nitrogen use could increase cotton yield and water use efficiency.The effect of phosphate fertilizer use on the cotton yield and WUE increase is not significant.Drip irrigation with plastic mulching measures could improve water use efficiency.The drip irrigation with plastic mulching measures could save 35 percent of water resources and result in an increase of 14.88% in cotton yield compared with conventional irrigation practices.The adoption of drought-resistant varieties could also be an approach for the increase of cotton yield and WUE in the region.
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Claims 11
Claim · model-written summary
Cotton yield in Shihezi increased from 150 kg/ha in the early 1950s to 1 759 kg/ha at present.
- Taxon
- cotton
Gossypium hirsutume0 - Outcome
- cotton yielde0
- Direction
- increasede0
- Value
- 150kg/ha in the early 1950s to 1 759kg/hae0
- Setting
- Shihezi cultivated areae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cotton yield in Shihezi cultivated area increased from 150kg/ha in the early 1950s to 1 759kg/ha at the present”
Claim · model-written summary
Water consumption of cotton production decreased from 477.48 mm to 415.00 mm, a decrease of 13.09 percent.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- water consumption of cotton productione0
- Direction
- decreasede0
- Value
- 477.48mm to 415.00mme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water consumption of cotton production during the same period decreased from 477.48mm to 415.00mm, a decrease of 13.09 percent”
Claim · model-written summary
Cotton WUE increased from 1.07 to 3.95 kg/ha/mm, an increase of 2.69 times.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- WUE of cottone0
- Direction
- increasede0
- Value
- 1.07kg/ha/mm to 3.95kg/ha/mme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“WUE of cotton increased from 1.07kg/ha/mm to 3.95kg/ha/mm, an increase of 2.69 times”
Claim · model-written summary
Soil improvement, increased fertilizer use, plastic mulched cultivation and new varieties probably contributed to the increase of cotton yield and WUE.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- soil improvement, increased use of fertilizers and extension of plastic mulched cultivation,and new crop varieties usee0
- Outcome
- increase of cotton yield and WUEe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“such measures as soil improvement, increased use of fertilizers and extension of plastic mulched cultivation,and new crop varieties use contributes to the increase of cotton yield and WUE”
Claim · model-written summary
The recommended optimal nitrogen fertilizer amount in the region is 225 kg/ha.
Not reportedTaxon
Verbatim
e0“The optimal amount recommended for nitrogen fertilizer use is 225kg/ha in the region”
Claim · model-written summary
Increased nitrogen use, relative to the current lower use, could increase cotton yield and water use efficiency.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- increased nitrogen usee0
- Outcome
- cotton yield and water use efficiencye0
- Direction
- increasee0
- Qualifier
- 200kg/ha currentlye1
- Comparator
- lower nitrogen fertilizer use in the regione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the increased nitrogen use could increase cotton yield and water use efficiency”
e1“relatively lower nitrogen fertilizer use in the region (200kg/ha currently)”
Claim · model-written summary
The effect of phosphate fertilizer use on the cotton yield and WUE increase is not significant.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- phosphate fertilizer usee0
- Outcome
- cotton yield and WUE increasee0
- Direction
- not significante0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of phosphate fertilizer use on the cotton yield and WUE increase is not significant”
Claim · model-written summary
Drip irrigation with plastic mulching could improve water use efficiency.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- Drip irrigation with plastic mulching measurese0
- Outcome
- water use efficiencye0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drip irrigation with plastic mulching measures could improve water use efficiency”
t0“Cotton”
Claim · model-written summary
Drip irrigation with plastic mulching could save 35 percent of water resources compared with conventional irrigation.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- drip irrigation with plastic mulching measurese0
- Outcome
- water resourcese0
- Direction
- savee0
- Value
- 35 percente0
- Comparator
- conventional irrigation practicese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The drip irrigation with plastic mulching measures could save 35 percent of water resources and result in an increase of 14.88% in cotton yield compared with conventional irrigation practices”
t0“Cotton”
Claim · model-written summary
Drip irrigation with plastic mulching could increase cotton yield by 14.88% compared with conventional irrigation.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- drip irrigation with plastic mulching measurese0
- Outcome
- cotton yielde0
- Direction
- increasee0
- Value
- 14.88%e0
- Comparator
- conventional irrigation practicese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The drip irrigation with plastic mulching measures could save 35 percent of water resources and result in an increase of 14.88% in cotton yield compared with conventional irrigation practices”
Claim · model-written summary
Adopting drought-resistant varieties could also increase cotton yield and WUE in the region.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- adoption of drought-resistant varietiese0
- Outcome
- increase of cotton yield and WUEe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The adoption of drought-resistant varieties could also be an approach for the increase of cotton yield and WUE in the region”
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See all 18 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.