Abstract
Abstract At present, the coastal sandy soil in special region of Yogyakarta has developed to be a potential agricultural field. Salinity has become one main obstacle in this specific field. The research aimed to examine the growth and yield responses of three rice cultivars in several salinity levels in this coastal sandy soil. The research was carried out in Srigading and Baros Villages, Bantul District of Yogyakarta Special Region, Indonesia. A split plot design was applied, with salinity levels (0.1; 1.0 and 2.5) dS.m −1 as main plot and rice varieties (IR 64, Situbagendit and Dendang) as sub plot. The treatments were replicated three times. The results showed that there was hardly significant difference in most of the growth and yield variables in IR 64 and Situbagendit. However, at 2.5 dS.m −1 Dendang (the salt resistant rice) performed the highest chlorophyll content. With salinity up to 2.5 dS.m −1 , there was an increase in stomatal conductance, shoot dry biomass and grain yield. Overall, adding salinity up to 2.5 dS. m −1 in coastal sandy soil promoted better growth and yield of rice. However, with higher salinity levels, grain yields decreased. The decrease in grain yield was larger in salt resistant variety, than in salt sensitive varieties.
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Claims 6
Claim · model-written summary
IR 64 and Situbagendit showed hardly any significant difference in most growth and yield variables.
- Taxon
- Rice
Oryza sativat0 - Material
- IR 64 and Situbagendite1
- Outcome
- growth and yield variablese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e1“The results showed that there was hardly significant difference in most of the growth and yield variables in IR 64 and Situbagendit”
Claim · model-written summary
Dendang, the salt-resistant rice, had the highest chlorophyll content at 2.5 dS.m −1 salinity.
- Taxon
- RiceOryza sativat0
- Material
- Dendange2
- Treatment
- 2.5 dS.m −1e2
- Outcome
- chlorophyll contente2
- Direction
- higheste2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e2“However, at 2.5 dS.m −1 Dendang (the salt resistant rice) performed the highest chlorophyll content”
Claim · model-written summary
Salinity up to 2.5 dS.m −1 increased stomatal conductance, shoot dry biomass and grain yield of rice.
- Taxon
- RiceOryza sativat0
- Treatment
- With salinity up to 2.5 dS.m −1e3
- Outcome
- stomatal conductance, shoot dry biomass and grain yielde3
- Direction
- increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e3“With salinity up to 2.5 dS.m −1 , there was an increase in stomatal conductance, shoot dry biomass and grain yield”
Claim · model-written summary
Higher salinity levels decreased grain yield of rice.
- Taxon
- RiceOryza sativat0
- Treatment
- higher salinity levelse4
- Outcome
- grain yieldse4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e4“However, with higher salinity levels, grain yields decreased”
Claim · model-written summary
The grain yield decrease at higher salinity was larger in the salt-resistant variety than in salt-sensitive varieties.
- Taxon
- RiceOryza sativat0
- Material
- salt resistant varietye5
- Outcome
- decrease in grain yielde5
- Direction
- largere5
- Comparator
- salt sensitive varietiese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e5“The decrease in grain yield was larger in salt resistant variety, than in salt sensitive varieties”
Claim · model-written summary
Adding salinity up to 2.5 dS. m −1 in coastal sandy soil promoted better growth and yield of rice.
- Taxon
- RiceOryza sativat0
- Treatment
- adding salinity up to 2.5 dS. m −1e6
- Outcome
- growth and yield of ricee6
- Direction
- promoted bettere6
- Setting
- coastal sandy soile6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice cultivars responses to different salinity levels”
e6“Overall, adding salinity up to 2.5 dS. m −1 in coastal sandy soil promoted better growth and yield of rice”
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