Abstract
A field experiment was conducted to study the effect of nitrogen fertilizer on yielding ability of indigenous aromatic rice cultivars under stacking and non-stacking conditions. Rice cultivars were grown during Aman season, 2002. There were four cultivars, namely, Shakkorkhora, Chinigura, Kalijira and Kataribhog, each with three levels of nitrogen fertilizer (0, 60 and 120 kg N ha -1 ). At the time of heading the experimental plots were equally divided into two parts. The crop in the half of the plot was left on the fate of the nature and that in the other half of the plot was mechanically supported by stacking to prevent lodging. Under stacking condition with the application of 60 Kg N ha -1 the grain yields increased by 12%, 23%, 29% and 18% in Shakkorkhora, Chinigura, Kalijira and Kataribhog, respectively compared to control. With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1 . The grain yield increase under stacking condition was supported by the increase in the number of filled spikelets per panicle, 1000-grain weight and decrease in sterility. Under stacking condition even at high level of nitrogen (120 kg N ha -1 ) the number of filled grain per panicle and 1000-grain weight increased remarkably. The highest grain yield was observed in plants with 60 kg N ha -1 under non-stacking condition. Stacking increased grain yield remarkably. Kataribhog with 120 kg N ha -1 produced 3.7 t ha -1 grain yield when provided artificial stacking, which was 2 t ha -1 under non-stacking condition. Under stacking condition, the cultivars Shakkorkhora, Kalijira and Kataribhog showed their highest yielding ability at 120 kg N ha -1
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Claims 18
Claim · model-written summary
Under stacking at 60 kg N ha-1, grain yield of Shakkorkhora rose 12% over control.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e0“Under stacking condition with the application of 60 Kg N ha -1 the grain yields increased by 12%, 23%, 29% and 18% in Shakkorkhora, Chinigura, Kalijira and Kataribhog, respectively compared to control”
Claim · model-written summary
Under stacking at 60 kg N ha-1, grain yield of Chinigura rose 23% over control.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e0“Under stacking condition with the application of 60 Kg N ha -1 the grain yields increased by 12%, 23%, 29% and 18% in Shakkorkhora, Chinigura, Kalijira and Kataribhog, respectively compared to control”
Claim · model-written summary
Under stacking at 60 kg N ha-1, grain yield of Kalijira rose 29% over control.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e0“Under stacking condition with the application of 60 Kg N ha -1 the grain yields increased by 12%, 23%, 29% and 18% in Shakkorkhora, Chinigura, Kalijira and Kataribhog, respectively compared to control”
Claim · model-written summary
Under stacking at 60 kg N ha-1, grain yield of Kataribhog rose 18% over control.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e0“Under stacking condition with the application of 60 Kg N ha -1 the grain yields increased by 12%, 23%, 29% and 18% in Shakkorkhora, Chinigura, Kalijira and Kataribhog, respectively compared to control”
Claim · model-written summary
With stacking, yield of Shakkorkhora rose 0.6% at 60 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Chinigura rose 25% at 60 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Kalijira rose 18% at 60 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Kataribhog rose 11% at 60 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Shakkorkhora rose 18% at 120 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Chinigura rose 27% at 120 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Kalijira rose 35% at 120 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
With stacking, yield of Kataribhog rose 80% at 120 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e1“With stacking yield was increased by 0.6% in Shakkorkhora, 25% in Chinigura, 18% in Kalijira and 11% in Kataribhog at 60 kg N ha -1 and by 18% in Shakkorkhora, 27% in Chinigura, 35% in Kalijira and 80% in Kataribhog at 120 kg N ha -1”
Claim · model-written summary
Under stacking, grain yield increase was associated with more filled spikelets per panicle and higher 1000-grain weight.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e2“The grain yield increase under stacking condition was supported by the increase in the number of filled spikelets per panicle, 1000-grain weight and decrease in sterility”
Claim · model-written summary
Under stacking, sterility decreased.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e2“The grain yield increase under stacking condition was supported by the increase in the number of filled spikelets per panicle, 1000-grain weight and decrease in sterility”
Claim · model-written summary
Under stacking at 120 kg N ha-1, the number of filled grain per panicle and 1000-grain weight increased.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e3“Under stacking condition even at high level of nitrogen (120 kg N ha -1) the number of filled grain per panicle and 1000-grain weight increased remarkably”
Claim · model-written summary
The highest grain yield was observed at 60 kg N ha-1 under non-stacking condition.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e4“The highest grain yield was observed in plants with 60 kg N ha -1 under non-stacking condition”
Claim · model-written summary
Kataribhog with stacking at 120 kg N ha-1 produced 3.7 t ha-1 grain yield, higher than 2 t ha-1 under non-stacking.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e5“Kataribhog with 120 kg N ha -1 produced 3.7 t ha -1 grain yield when provided artificial stacking, which was 2 t ha -1 under non-stacking condition”
Claim · model-written summary
Under stacking, Shakkorkhora, Kalijira and Kataribhog showed their highest yielding ability at 120 kg N ha-1.
Verbatim
t0“YIELDING ABILITY OF AROMATIC RICE”
e6“Under stacking condition, the cultivars Shakkorkhora, Kalijira and Kataribhog showed their highest yielding ability at 120 kg N ha -1”