Abstract
It is expected that by utilizing marginal land (e.g. saline field) is able to increase rice production under saline condition. One of integrated approaches that can be applied is a raised- and sunken-bed system. This experiment aimed to investigate the growth and yield of rice under raised- and sunken-bed system as affected by saline irrigation. The field experiment was conducted at Baros Helmet, Bantul District, Yogyakarta from October 2016 to February 2017. The experiment was arranged in a multi-location (oversite) design, consisted of saline irrigation (S1) and nonsaline irrigation (S0) in a raised-bed (A1) and sunken-bed (A0) planting system. The observations were done on leaf area index, chlorophyll a, chlorophyll b, total chlorophyll, photosynthesis rate, total dry weight, root length, leaf Na+ and K+ concentration, proline concentration, maturity and dry grain yield (DGY). The results showed that saline irrigation negatively affected leaf area index, photosynthetic rate and root length of rice grown at sunken-bed. However, leaf Na+ concentration and leaf proline concentrations of rice grown at sunken-bed were higher. The leaf K+ concentration decreased with increasing Na+ concentration. Although saline irrigation could accelerate harvesting age of rice grown at sunken-bed, the dry grain yield of rice grown at sunken-bed did not significantly different with that of rice grown at raised-bed.
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Claims 8
Claim · model-written summary
Saline irrigation reduced leaf area index in sunken-bed rice.
- Taxon
- Rice
Oryza sativat0 - Treatment
- saline irrigatione0
- Outcome
- leaf area indexe0
- Direction
- negatively affectede0
- Setting
- sunken-bede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“saline irrigation negatively affected leaf area index, photosynthetic rate and root length of rice grown at sunken-bed”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Saline irrigation reduced photosynthetic rate in sunken-bed rice.
- Taxon
- RiceOryza sativat0
- Treatment
- saline irrigatione0
- Outcome
- photosynthetic ratee0
- Direction
- negatively affectede0
- Setting
- sunken-bede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“saline irrigation negatively affected leaf area index, photosynthetic rate and root length of rice grown at sunken-bed”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Saline irrigation reduced root length in sunken-bed rice.
- Taxon
- RiceOryza sativat0
- Treatment
- saline irrigatione0
- Outcome
- root lengthe0
- Direction
- negatively affectede0
- Setting
- sunken-bede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“saline irrigation negatively affected leaf area index, photosynthetic rate and root length of rice grown at sunken-bed”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Leaf Na+ concentration was higher in sunken-bed rice under saline irrigation.
- Taxon
- RiceOryza sativat0
- Outcome
- leaf Na+ concentratione0
- Direction
- highere0
- Setting
- sunken-bede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, leaf Na+ concentration and leaf proline concentrations of rice grown at sunken-bed were higher”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Leaf proline concentration was higher in sunken-bed rice under saline irrigation.
- Taxon
- RiceOryza sativat0
- Outcome
- leaf proline concentrationse0
- Direction
- highere0
- Setting
- sunken-bede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, leaf Na+ concentration and leaf proline concentrations of rice grown at sunken-bed were higher”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Leaf K+ concentration fell as Na+ concentration increased.
- Taxon
- RiceOryza sativat0
- Compound
- Na+e0
- Outcome
- leaf K+ concentratione0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The leaf K+ concentration decreased with increasing Na+ concentration”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Saline irrigation accelerated harvesting age in sunken-bed rice.
- Taxon
- RiceOryza sativat0
- Treatment
- saline irrigatione0
- Outcome
- harvesting agee0
- Direction
- acceleratee0
- Setting
- sunken-bede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“saline irrigation could accelerate harvesting age of rice grown at sunken-bed”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Dry grain yield did not differ significantly between sunken- and raised-bed rice.
- Taxon
- RiceOryza sativat0
- Outcome
- dry grain yielde0
- Direction
- did not significantly differente0
- Comparator
- raised-bede0
- Setting
- sunken-bede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry grain yield of rice grown at sunken-bed did not significantly different with that of rice grown at raised-bed”
t0“Rice (Oryza sativa L.)”
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