Abstract
Management of applied nitrogen in rice field is one tool that could lead to increase in rice yield, but often ignored by most farmers. The experiment was carried out from April to July 2015 at the Agronomy Field Laboratory of Patuakhali Science and Technology University, Dumki, Patuakhali to find out the influence of different nitrogen management and variety on the yield performance of transplant Ausrice. The study consisted of four levels of nitrogen viz. Control (without N), 30 kg N ha-1, 60 kg N ha-1 and urea super granule @ 52 kg N ha-1 and four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI, and was laid out in a split-plot design with three replications. The levels of nitrogen were assigned in the main plot and varieties were allocated in the sub-plots. Nitrogen management, variety and their interactions exerted significant (P ≤ 0.05) influence on plant characters, yield contributing characters and yield of transplanted Aus rice. In the case of nitrogen management, the tallest plant was 161.60 cm, maximum leaf area index(2.97, the highest number of effective tillers hill-115, longest panicle 24.30 cm with the maximum number of filled grains as94.73, 1000-grain weight gave 29.97 g. Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1 and the shortest plant height of 136.90 cm with lowest leaf area index of 1.78, lowest number of effective tillers hill-1 (8.43), shortest panicle (18.84 cm) with the lowest numbers of filled grains panicle-1 (53.18), 1000-grain weight (24.33 g) and grain yield (1.40 t ha-1) were obtained in control (N1=O, kg N ha-1). Among the varieties, ChaitaBoro gave the tallest plant height (151.60 cm) and maximum leaf area index (2.54). While the highest number of effective tillers hill-1 (12.20), longest panicle (22.42 cm) with the maximum number of filled grains panicle-1 (73.50), highest 1000-grain weight (27.41 g) and highest grain yield (2.39 t ha-1) were recorded from Gota IRRI than other varieties. In case of interaction, Gota IRRI Fertilized with USG at 52 kg N ha-1 produced the highest number of effective tillers hill-1 (16.87), panicle length (25.13 cm), number of grains panicle-1 (105.70) and grain yield (3.13 t ha-1). The lowest number of effective tillers hill-1 (8.13), lowest panicle length (17.47 cm) with minimum numbers of filled grains 47.67) and grain yield (1.12 t ha-1) were produced by the interaction of control (N1=O, kg N ha-1) and Kali Hitta. So, cultivation of transplant Aus rice (Gota IRRI) appeared to be the best performance with USG @ 52 kg N ha-1 and recommended to the end users.
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Claims 20
Claim · model-written summary
Nitrogen, variety and their interactions significantly influenced plant and yield traits.
Verbatim
e0“Nitrogen management, variety and their interactions exerted significant (P ≤ 0.05) influence on plant characters, yield contributing characters and yield of transplanted Aus rice”
Claim · model-written summary
USG at 52 kg N ha-1 produced the tallest plants at 161.60 cm.
- Taxon
- rice
Oryza sativat0 - Treatment
- USG @ 52 kg N ha-1e1
- Outcome
- plante0
- Direction
- talleste0
- Value
- 161.60 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the tallest plant was 161.60 cm”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
USG produced maximum leaf area index of 2.97.
- Taxon
- riceOryza sativat0
- Treatment
- USG @ 52 kg N ha-1e1
- Outcome
- leaf area indexe0
- Direction
- maximume0
- Value
- 2.97e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum leaf area index(2.97”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
USG produced the longest panicle at 24.30 cm.
- Taxon
- riceOryza sativat0
- Treatment
- USG @ 52 kg N ha-1e1
- Outcome
- paniclee0
- Direction
- longeste0
- Value
- 24.30 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“longest panicle 24.30 cm”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
USG produced a maximum of 94.73 filled grains.
- Taxon
- riceOryza sativat0
- Treatment
- USG @ 52 kg N ha-1e1
- Outcome
- number of filled grainse0
- Direction
- maximume0
- Value
- 94.73e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum number of filled grains as94.73”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
USG gave 29.97 g thousand grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- USG @ 52 kg N ha-1e1
- Outcome
- 1000-grain weighte0
- Value
- 29.97 ge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1000-grain weight gave 29.97 g”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
USG yielded 2.48 t ha-1 grain.
- Taxon
- riceOryza sativat0
- Treatment
- USG @ 52 kg N ha-1e0
- Outcome
- Grain yielde0
- Value
- 2.48 t ha-1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control plants had the shortest height at 136.90 cm.
- Taxon
- riceOryza sativat0
- Outcome
- plant heighte0
- Direction
- shorteste0
- Value
- 136.90 cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shortest plant height of 136.90 cm”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice had the lowest leaf area index at 1.78.
- Taxon
- riceOryza sativat0
- Outcome
- leaf area indexe0
- Direction
- loweste0
- Value
- 1.78e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest leaf area index of 1.78”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice had 8.43 effective tillers per hill, the lowest treatment value.
- Taxon
- riceOryza sativat0
- Outcome
- number of effective tillers hill-1e0
- Direction
- loweste0
- Value
- 8.43e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest number of effective tillers hill-1 (8.43)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice had the shortest panicle at 18.84 cm.
- Taxon
- riceOryza sativat0
- Outcome
- paniclee0
- Direction
- shorteste0
- Value
- 18.84 cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“shortest panicle (18.84 cm)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice had the lowest filled grains at 53.18 per panicle.
- Taxon
- riceOryza sativat0
- Outcome
- numbers of filled grains panicle-1e0
- Direction
- loweste0
- Value
- 53.18e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lowest numbers of filled grains panicle-1 (53.18)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice had thousand grain weight of 24.33 g.
- Taxon
- riceOryza sativat0
- Outcome
- 1000-grain weighte0
- Value
- 24.33 ge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1000-grain weight (24.33 g)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Control rice yielded 1.40 t ha-1 grain.
- Taxon
- riceOryza sativat0
- Treatment
- controle0
- Outcome
- grain yielde0
- Value
- 1.40 t ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield (1.40 t ha-1) were obtained in control”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
ChaitaBoro was tallest at 151.60 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ChaitaBoro gave the tallest plant height (151.60 cm)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
ChaitaBoro had maximum leaf area index of 2.54.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum leaf area index (2.54)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Gota IRRI had the most effective tillers at 12.20 per hill.
- Taxon
- riceOryza sativat0
- Material
- Gota IRRIe2
- Outcome
- number of effective tillers hill-1e0
- Direction
- higheste0
- Value
- 12.20e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest number of effective tillers hill-1 (12.20)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Gota IRRI had the longest panicle at 22.42 cm.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“longest panicle (22.42 cm)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Gota IRRI had maximum filled grains per panicle at 73.50.
- Taxon
- riceOryza sativat0
- Material
- Gota IRRIe2
- Outcome
- number of filled grains panicle-1e0
- Direction
- maximume0
- Value
- 73.50e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum number of filled grains panicle-1 (73.50)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
Claim · model-written summary
Gota IRRI yielded the most grain at 2.39 t ha-1.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest grain yield (2.39 t ha-1)”
t0“Transplant Aus Rice Varieties”
e1“Grain yield of 2.48 t ha-1 were obtained from USG @ 52 kg N ha-1”
e2“four Transplanted aus rice varieties viz. KaliHitta, ChaitaBoro, Abdul Hai and Gota IRRI”
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