Abstract
This paper is to explore the issues of scale effect of water saving,caused by the returning flows and their reuse in the water resource system.Taking the rice-based irrigation system,Zhanghe Irrigation System(ZIS),as an example,we analyzed the components of water balance and their roles at different scales,and point out that the situation would be become more complicated and the scale effect could be obvious with the increas of scale.Based on the experimental and long-term historical data in ZIS,we consider water use at different scales — the fields,the middle scale,a main canal-commanded area scale and the irrigation system.The results demonstrate the higher water productivity under water saving irrigation practice at the field scale and in the ZIS.And there are real water saving and the considerable increase in water productivity over time.
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Claims 5
Claim · model-written summary
The authors found water-balance scale effects became more complicated and more evident as scale increased.
- Taxon
- rice
Oryza sativat0 - Outcome
- scale effecte0
- Direction
- obviouse0
- Qualifier
- increas of scalee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the situation would be become more complicated and the scale effect could be obvious with the increas of scale.”
t0“rice-based irrigation system”
Claim · model-written summary
Water-saving irrigation yielded higher field-scale water productivity.
- Taxon
- riceOryza sativat0
- Treatment
- water saving irrigation practicee0
- Outcome
- water productivitye0
- Direction
- highere0
- Setting
- field scalee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results demonstrate the higher water productivity under water saving irrigation practice at the field scale and in the ZIS.”
t0“rice-based irrigation system”
Claim · model-written summary
Water-saving irrigation yielded higher water productivity across the Zhanghe irrigation system.
- Taxon
- riceOryza sativat0
- Treatment
- water saving irrigation practicee0
- Outcome
- water productivitye0
- Direction
- highere0
- Setting
- ZISe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results demonstrate the higher water productivity under water saving irrigation practice at the field scale and in the ZIS.”
t0“rice-based irrigation system”
Claim · model-written summary
The system showed real water saving over time.
- Taxon
- riceOryza sativat0
- Outcome
- real water savinge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“And there are real water saving and the considerable increase in water productivity over time.”
t0“rice-based irrigation system”
Claim · model-written summary
Water productivity increased considerably over time.
- Taxon
- riceOryza sativat0
- Outcome
- water productivitye0
- Direction
- increasee0
- Qualifier
- over timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“And there are real water saving and the considerable increase in water productivity over time.”
t0“rice-based irrigation system”
The same questions in other papers
irrigation · physiology: water · Oryza sativa (rice)Positive and negative results
349 papers in the same direction as this paper · 25 in the opposite direction · 5 reporting no difference from an alternative
- negative
- no effect
- no effect
376 papers more in this group
See all 380 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.