Abstract
This study was carried out to address the ever severer white pollution issue in the cotton fields of arid areas and to primarily stop the increase of film residuals in cotton fields. The feasibility of replacing plastic films with liquid mulch in combination with drip irrigation was evaluated. A bucket experiment was conducted to investigate the effects of liquid mulch on the transpiration rate and water use efficiency (WUE) of drip-irrigated cottons. A total of 5 treatments were set up: liquid mulch (1900 kg/hm2) coupled with drip irrigation (LFD1), liquid mulch (2200 kg/hm2) coupled with drip irrigation (LFD2), liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3), plastic film coupled with drip irrigation (PFD) and drip irrigation without mulch (NFD or control). The results showed that in the bud stage, the peak value of cotton leaf transpiration rate in LFD3 was 0.95 mmolm-2s-1 (or 21.99%) higher than that in control but 0.39 mmolm-2s-1 (or 6.89%) lower than that in PFD. The WUE in LFD3 was the highest in any cotton growth stage among the treatments. The peak value of WUE in the seedling and bud stages was 16.90% and 15.03%, respectively higher in LFD3 than in control. When used at an appropriate dosage, liquid mulch can lower the transpiration rate and significantly raise the WUE of drip-irrigated cottons, thus paving the way towards high yields. In addition, liquid mulch has no negative effects on the soil environment and thus is of important research value and good application prospect in light of drip-irrigated cottons in arid areas.
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Claims 8
Claim · model-written summary
At bud stage, LFD3 cotton leaf transpiration peak was 0.95 mmolm-2s-1, or 21.99%, higher than the no-mulch control.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)e1
- Outcome
- cotton leaf transpiration ratee0
- Direction
- highere0
- Value
- 0.95 mmolm-2s-1e0
- Qualifier
- 21.99%e0
- Comparator
- drip irrigation without mulch (NFD or control)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in the bud stage, the peak value of cotton leaf transpiration rate in LFD3 was 0.95 mmolm-2s-1 (or 21.99%) higher than that in control”
e1“liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)”
e2“drip irrigation without mulch (NFD or control)”
Claim · model-written summary
At bud stage, LFD3 cotton leaf transpiration peak was 0.39 mmolm-2s-1, or 6.89%, lower than PFD.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)e1
- Outcome
- transpiration ratee3
- Direction
- lowere0
- Value
- 0.39 mmolm-2s-1e0
- Qualifier
- 6.89%e0
- Comparator
- plastic film coupled with drip irrigation (PFD)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0.39 mmolm-2s-1 (or 6.89%) lower than that in PFD”
e1“liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)”
e2“plastic film coupled with drip irrigation (PFD)”
e3“cotton leaf transpiration rate”
t0“Cotton”
Claim · model-written summary
LFD3 had the highest cotton water use efficiency at every growth stage.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)e1
- Outcome
- WUEe0
- Direction
- higheste0
- Comparator
- among the treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The WUE in LFD3 was the highest in any cotton growth stage among the treatments.”
e1“liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)”
e2“among the treatments”
Claim · model-written summary
At seedling stage, LFD3 peak WUE was 16.90% higher than control.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- seedlinge0
- Treatment
- liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)e1
- Outcome
- WUEe0
- Direction
- highere0
- Value
- 16.90%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The peak value of WUE in the seedling and bud stages was 16.90% and 15.03%, respectively higher in LFD3 than in control.”
e1“liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)”
t0“Cotton”
Claim · model-written summary
At bud stage, LFD3 peak WUE was 15.03% higher than control.
- Taxon
- CottonGossypium hirsutumt0
- Organ / stage
- bude0
- Treatment
- liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)e1
- Outcome
- WUEe0
- Direction
- highere0
- Value
- 15.03%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The peak value of WUE in the seedling and bud stages was 16.90% and 15.03%, respectively higher in LFD3 than in control.”
e1“liquid mulch (2500 kg/hm2) coupled with drip irrigation (LFD3)”
t0“Cotton”
Claim · model-written summary
At an appropriate dosage, liquid mulch can lower cotton transpiration rate.
- Taxon
- cottonsGossypium hirsutume0
- Treatment
- liquid mulche0
- Outcome
- transpiration ratee0
- Direction
- lowere0
- Qualifier
- appropriate dosagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When used at an appropriate dosage, liquid mulch can lower the transpiration rate and significantly raise the WUE of drip-irrigated cottons”
e1“plastic film coupled with drip irrigation (PFD)”
Claim · model-written summary
At an appropriate dosage, liquid mulch can significantly raise cotton WUE.
- Taxon
- cottonsGossypium hirsutume0
- Treatment
- liquid mulche0
- Outcome
- WUEe0
- Direction
- raisee0
- Qualifier
- appropriate dosagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When used at an appropriate dosage, liquid mulch can lower the transpiration rate and significantly raise the WUE of drip-irrigated cottons”
Claim · model-written summary
Liquid mulch had no negative effect on the soil environment in this cotton study.
- Taxon
- CottonGossypium hirsutumt0
- Treatment
- liquid mulche0
- Outcome
- soil environmente0
- Direction
- no negative effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“liquid mulch has no negative effects on the soil environment”
t0“Cotton”
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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.