Abstract
In order to provide the basis for the distribution of soil water and salt mulch drip irrigation in rice under high frequency irrigation conditions,and to developed scientific irrigation system for drip irrigation rice,water and salt transport field experiments was conducted to study the impact of irrigation on the distribution of water and salt in paddy soil and on rice production.The results showed that:in irrigation quota of 12 000m3/hm2,irrigation frequency for 1d,less amount of irrigation water each time and water concentrated in the surface layers under 0-20cm.From jointing stage to the milky stage of rice,the highest moisture content was detected in different soil layers under films in 3d irrigation treatment,which maintained a higher moisture content in rice rhizospheric zone and prompted rice growth;Desalination effect was basically the same for 1dand 3ddrip irrigation in 0-40cm under film.Under high-frequency drip irrigation for rice field,more salt was leached above 40cm soil layers,and higher yield achieved.Under the fixed rice irrigation amount,irrigation frequency for 3d can maintain a relatively high moisture content in rice rhizospheric area of soil and keep better desalination in 0-40cm soil layers,which benefiting the growth and development of rice,and high yielding.
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Claims 7
Claim · model-written summary
Daily irrigation with smaller amounts concentrated water in the 0-20cm surface layer.
- Taxon
- Rice
Oryza sativat0 - Treatment
- irrigation frequency for 1de0
- Outcome
- water concentrated in the surface layerse0
- Value
- 0-20cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigation frequency for 1d,less amount of irrigation water each time and water concentrated in the surface layers under 0-20cm”
t0“Rice Yield”
Claim · model-written summary
Three-day irrigation gave the highest moisture content in under-film soil layers from jointing to milky stage.
- Taxon
- riceOryza sativae0
- Organ / stage
- jointing stage to the milky stagee0
- Treatment
- 3d irrigation treatmente0
- Outcome
- moisture contente0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“From jointing stage to the milky stage of rice,the highest moisture content was detected in different soil layers under films in 3d irrigation treatment”
Claim · model-written summary
Three-day irrigation maintained higher moisture in the rice rhizosphere and promoted growth.
- Taxon
- riceOryza sativae0
- Treatment
- 3d irrigation treatmente0
- Outcome
- rice growthe0
- Direction
- promptede0
- Qualifier
- higher moisture content in rice rhizospheric zonee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“3d irrigation treatment,which maintained a higher moisture content in rice rhizospheric zone and prompted rice growth”
Claim · model-written summary
One-day and three-day drip irrigation had basically the same desalination effect in under-film 0-40cm soil.
- Taxon
- RiceOryza sativat0
- Treatment
- 1dand 3ddrip irrigatione0
- Outcome
- Desalination effecte0
- Direction
- basically the samee0
- Value
- 0-40cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Desalination effect was basically the same for 1dand 3ddrip irrigation in 0-40cm under film”
t0“Rice Yield”
Claim · model-written summary
High-frequency drip irrigation leached more salt above 40cm soil depth.
- Taxon
- riceOryza sativae0
- Treatment
- high-frequency drip irrigatione0
- Outcome
- salt was leachede0
- Direction
- moree0
- Value
- 40cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under high-frequency drip irrigation for rice field,more salt was leached above 40cm soil layers”
Claim · model-written summary
High-frequency drip irrigation achieved higher rice yield.
- Taxon
- riceOryza sativae0
- Treatment
- high-frequency drip irrigatione0
- Outcome
- yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under high-frequency drip irrigation for rice field,more salt was leached above 40cm soil layers,and higher yield achieved”
Claim · model-written summary
With fixed irrigation amount, the authors favor a three-day interval for moisture, desalination, growth and yield.
- Taxon
- riceOryza sativae0
- Outcome
- irrigation frequency for 3de0
- Qualifier
- fixed rice irrigation amounte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the fixed rice irrigation amount,irrigation frequency for 3d can maintain a relatively high moisture content in rice rhizospheric area of soil and keep better desalination in 0-40cm soil layers,which benefiting the growth and development of rice,and high yielding”
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See all 1,171 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.