Abstract
The present study was undertaken for standardization of irrigation interval and performances of medium duration selected rice varieties under the aerobic conditions in the westen Odisha. The field experiment was conducted at the Regional Research Technology and Transfer Station (RRTTS), Chiplima, Sambalpur, Odisha, during the summer season of 2019 and 2020 to see the performance of medium-duration rice varieties with varying irrigation regimes under aerobic conditions. The experiment was laid out in split plot design with three replications and consisted of four irrigation regimes (I1 = Irrigation at IW/CPE = 1.0, I2 = Irrigation at IW/CPE = 1.5, I3 = Irrigation at IW/CPE = 2.0, and I4 = Irrigation at IW/CPE = 2.5) in main plot treatments and four varieties (V1 = Naveen, V2 = MTU-1010, V3= CR Dhan-201 and V4 = CR Dhan-204 in subplot treatments. The result of the pooled mean of both years showed that growth and yield attributes significantly affect in regards to different irrigation regimes and cultivars. The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5. In contrast, it was at par with the irrigation regime at IW/CPE = 2.0. The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars. The result of the pooled mean of both years showed that the highest grain yield was recorded at IW/CPE = 2.5, i.e., 4.07 t/ha, which was at par with IW/CPE = 2.0 (3.90 t/ha) and significantly superior to rest of other irrigation regimes. But in the case of cultivars, the highest grain yield was obtained with variety CR-Dhan 201 (3.54 t/ha), which was at par with variety Naveen (3.30t/ha) and significantly superior to the rest of other cultivars. The highest mean FWUE of 40.71kg/ ha-cm was observed with irrigation at IW/CPE 1.5, which was at par with other irrigation regimes except IW/CPE 2.5, whereas the highest B: C ratio (1.74) was observed with irrigation at IW,/CPE 2.0 which was at par with IW/CPE 2.5 (1.73) and significantly superior to other irrigation regimes. But in the case of cultivars, the highest mean FWUE of 41.60kg/ ha-cm and B: C ratio (1.62) was observed with variety CR Dhan 201 and significantly superior to the rest of the other cultivars. Hence, a variety like CR Dhan 201 needs to be irrigated at IW/CPE 2.0 to produce economically optimum yield and field water use efficiency on sandy loam soils of the western region of Odisha under aerobic conditions.
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Claims 20
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the highest grain yield, 4.07 t/ha, significantly superior to the other irrigation regimes.
- Taxon
- Rice (Oryza sativa)
Oryza sativat0 - Treatment
- IW/CPE = 2.5e2
- Outcome
- grain yielde2
- Direction
- higheste2
- Value
- 4.07 t/hae2
- Comparator
- rest of other irrigation regimese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e2“the highest grain yield was recorded at IW/CPE = 2.5, i.e., 4.07 t/ha, which was at par with IW/CPE = 2.0 (3.90 t/ha) and significantly superior to rest of other irrigation regimes”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum plant height, 69.0 cm.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- plant heighte1
- Direction
- maximume1
- Value
- 69.0 cme1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum filled grains per panicle, 80.98.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- filled grains per paniclee1
- Direction
- maximume1
- Value
- 80.98e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum leaf area index at 75 DAS, 3.940.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- leaf area indexe1
- Direction
- maximume1
- Value
- 3.940e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum shoot dry matter at 90 DAS, 927 g m-2.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- dry matter accumulation of the shoot at 90 DASe1
- Direction
- maximume1
- Value
- 927 g m-2e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum number of effective panicles, 287 per m2.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- number of effective paniclese1
- Direction
- maximume1
- Value
- 287e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
Irrigation at IW/CPE 2.5 gave the maximum test weight, 22.27 g.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation regime IW/CPE = 2.5e1
- Outcome
- test weighte1
- Direction
- maximume1
- Value
- 22.27 ge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e1“The maximum plant height (69.0 cm) and filled grains per panicle (80.98) leaf area index (LAI ) at 75DAS (3.940, dry matter accumulation of the shoot at 90 DAS ( 927 g m-2), number of effective panicles m-2 (287) and test weight (22.27 g) was maximum at irrigation regime IW/CPE = 2.5”
Claim · model-written summary
CR Dhan 201 gave a significantly higher plant height, 67.1 cm, than the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- CR Dhan 201e4
- Outcome
- plant heighte4
- Direction
- significantly highere4
- Value
- 67.1cme4
- Comparator
- other cultivarse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e4“The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars”
Claim · model-written summary
CR Dhan 201 gave significantly more filled grains per panicle, 74.47, than the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- CR Dhan 201e4
- Outcome
- filled grains per paniclee4
- Direction
- significantly highere4
- Value
- 74.47e4
- Comparator
- other cultivarse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e4“The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars”
Claim · model-written summary
CR Dhan 201 gave significantly higher leaf area index at 75 DAS, 3.52, than the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- CR Dhan 201e4
- Outcome
- leaf area indexe4
- Direction
- significantly highere4
- Value
- 3.52e4
- Comparator
- other cultivarse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e4“The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars”
Claim · model-written summary
CR Dhan 201 gave significantly higher shoot dry matter at 90 DAS, 901 g m-2, than the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- CR Dhan 201e4
- Outcome
- dry matter accumulation of the shoot at 90 DASe4
- Direction
- significantly highere4
- Value
- 901 g m-2e4
- Comparator
- other cultivarse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e4“The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars”
Claim · model-written summary
CR Dhan 201 gave significantly more effective panicles, 286 per m2, than the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- CR Dhan 201e4
- Outcome
- number of effective paniclese4
- Direction
- significantly highere4
- Value
- 286e4
- Comparator
- other cultivarse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e4“The maximum plant height(67.1cm), filled grains per panicle (74.47), leaf area index (LAI ) at 75DAS (3.52), dry matter accumulation of the shoot at 90 DAS (901 g m-2 ), and a number of effective panicles m-2 (286) were recorded with CR Dhan 201 which was significantly higher as compared to other cultivars”
Claim · model-written summary
Variety CR-Dhan 201 gave the highest grain yield among cultivars, 3.54 t/ha, significantly superior to the other cultivars.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- variety CR-Dhan 201e5
- Outcome
- grain yielde5
- Direction
- higheste5
- Value
- 3.54 t/hae5
- Comparator
- rest of other cultivarse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e5“But in the case of cultivars, the highest grain yield was obtained with variety CR-Dhan 201 (3.54 t/ha), which was at par with variety Naveen (3.30t/ha) and significantly superior to the rest of other cultivars”
Claim · model-written summary
Grain yield at IW/CPE 2.0, 3.90 t/ha, was at par with IW/CPE 2.5.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- IW/CPE = 2.0e2
- Outcome
- grain yielde2
- Direction
- at pare2
- Value
- 3.90 t/hae2
- Comparator
- IW/CPE = 2.5e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e2“the highest grain yield was recorded at IW/CPE = 2.5, i.e., 4.07 t/ha, which was at par with IW/CPE = 2.0 (3.90 t/ha) and significantly superior to rest of other irrigation regimes”
Claim · model-written summary
Variety Naveen gave grain yield of 3.30 t/ha, at par with CR-Dhan 201.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- variety Naveene5
- Outcome
- grain yielde5
- Direction
- at pare5
- Value
- 3.30t/hae5
- Comparator
- variety CR-Dhan 201e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e5“But in the case of cultivars, the highest grain yield was obtained with variety CR-Dhan 201 (3.54 t/ha), which was at par with variety Naveen (3.30t/ha) and significantly superior to the rest of other cultivars”
Claim · model-written summary
Irrigation at IW/CPE 1.5 gave the highest mean field water use efficiency, 40.71 kg/ha-cm.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation at IW/CPE 1.5e6
- Outcome
- FWUEe6
- Direction
- higheste6
- Value
- 40.71kg/ ha-cme6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e6“The highest mean FWUE of 40.71kg/ ha-cm was observed with irrigation at IW/CPE 1.5”
Claim · model-written summary
Irrigation at IW/CPE 2.0 gave the highest benefit-cost ratio, 1.74.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigation at IW,/CPE 2.0e7
- Outcome
- B: C ratioe7
- Direction
- higheste7
- Value
- 1.74e7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e7“the highest B: C ratio (1.74) was observed with irrigation at IW,/CPE 2.0”
Claim · model-written summary
Variety CR Dhan 201 gave the highest mean field water use efficiency among cultivars, 41.60 kg/ha-cm.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- variety CR Dhan 201e7
- Outcome
- FWUEe7
- Direction
- higheste7
- Value
- 41.60kg/ ha-cme7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e7“But in the case of cultivars, the highest mean FWUE of 41.60kg/ ha-cm and B: C ratio (1.62) was observed with variety CR Dhan 201”
Claim · model-written summary
Variety CR Dhan 201 gave the highest benefit-cost ratio among cultivars, 1.62.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- variety CR Dhan 201e7
- Outcome
- B: C ratioe7
- Direction
- higheste7
- Value
- 1.62e7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e7“But in the case of cultivars, the highest mean FWUE of 41.60kg/ ha-cm and B: C ratio (1.62) was observed with variety CR Dhan 201”
Claim · model-written summary
Variety CR Dhan 201 should be irrigated at IW/CPE 2.0 to produce economically optimum yield and field water use efficiency on sandy loam soils of western Odisha.
- Taxon
- Rice (Oryza sativa)Oryza sativat0
- Treatment
- irrigated at IW/CPE 2.0e7
- Outcome
- economically optimum yielde7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Rice (Oryza sativa)”
e7“a variety like CR Dhan 201 needs to be irrigated at IW/CPE 2.0 to produce economically optimum yield and field water use efficiency”
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