Abstract
The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur during 1999 and 2000 T.aman season. Four rice genotypes (Basmati PNR, Basmati 370, Basmati 375 and Basmati-D) were tested with 0, 25, 50, 75 and 100 kg N/ha to determine the optimum N level as well as to find out the genotype having high yield potential. The plant height, tiller number, number of panicles, panicle length, spikelet sterility and straw yield increased with the increase of nitrogen levels upto 75 kg N/ha. Maximum plant growth at the highest level of N caused lodging of plant which increased spikelet sterility and lower number of grains per panicle and ultimately decreased grain yield. Genotype Basmati PNR having dwarf plant characteristics performed well at higher level of nitrogen (100 kg N/ha), while other genotypes having medium plant height responded well at lower level of nitrogen (52-56 kg N/ha). Keywords: Basmati rice; nitrogen; aman season. DOI: 10.3329/bjar.v35i1.5877Bangladesh J. Agril. Res. 35(1) : 157-165, March 2010
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Claims 10
Claim · model-written summary
Increasing nitrogen up to 75 kg N/ha increased plant height, tiller number and number of panicles of Basmati rice.
- Taxon
- Basmati ricee0
- Treatment
- nitrogen levelse1
- Outcome
- plant height, tiller number, number of paniclese1
- Direction
- increasede1
- Qualifier
- upto 75 kg N/hae1
- Setting
- Bangladesh Rice Research Institute (BRRI) farm, Gazipure0
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e1“The plant height, tiller number, number of panicles, panicle length, spikelet sterility and straw yield increased with the increase of nitrogen levels upto 75 kg N/ha”
Claim · model-written summary
Increasing nitrogen up to 75 kg N/ha increased panicle length of Basmati rice.
- Taxon
- Basmati ricee0
- Treatment
- nitrogen levelse1
- Outcome
- panicle lengthe1
- Direction
- increasede1
- Qualifier
- upto 75 kg N/hae1
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e1“The plant height, tiller number, number of panicles, panicle length, spikelet sterility and straw yield increased with the increase of nitrogen levels upto 75 kg N/ha”
Claim · model-written summary
Increasing nitrogen up to 75 kg N/ha increased straw yield of Basmati rice.
- Taxon
- Basmati ricee0
- Treatment
- nitrogen levelse1
- Outcome
- straw yielde1
- Direction
- increasede1
- Qualifier
- upto 75 kg N/hae1
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e1“The plant height, tiller number, number of panicles, panicle length, spikelet sterility and straw yield increased with the increase of nitrogen levels upto 75 kg N/ha”
Claim · model-written summary
Increasing nitrogen up to 75 kg N/ha increased spikelet sterility of Basmati rice.
- Taxon
- Basmati ricee0
- Treatment
- nitrogen levelse1
- Outcome
- spikelet sterilitye1
- Direction
- increasede1
- Qualifier
- upto 75 kg N/hae1
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e1“The plant height, tiller number, number of panicles, panicle length, spikelet sterility and straw yield increased with the increase of nitrogen levels upto 75 kg N/ha”
Claim · model-written summary
The highest nitrogen level caused lodging of Basmati rice.
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e2“Maximum plant growth at the highest level of N caused lodging of plant which increased spikelet sterility and lower number of grains per panicle and ultimately decreased grain yield”
Claim · model-written summary
At the highest nitrogen level Basmati rice had a lower number of grains per panicle.
- Taxon
- Basmati ricee0
- Treatment
- highest level of Ne2
- Outcome
- number of grains per paniclee2
- Direction
- lowere2
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e2“Maximum plant growth at the highest level of N caused lodging of plant which increased spikelet sterility and lower number of grains per panicle and ultimately decreased grain yield”
Claim · model-written summary
At the highest nitrogen level Basmati rice grain yield decreased.
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e2“Maximum plant growth at the highest level of N caused lodging of plant which increased spikelet sterility and lower number of grains per panicle and ultimately decreased grain yield”
Claim · model-written summary
At the highest nitrogen level Basmati rice spikelet sterility increased.
Not reportedComparator
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e2“Maximum plant growth at the highest level of N caused lodging of plant which increased spikelet sterility and lower number of grains per panicle and ultimately decreased grain yield”
Claim · model-written summary
Genotype Basmati PNR, with dwarf plant characteristics, performed well at 100 kg N/ha.
- Taxon
- Basmati ricee0
- Material
- Basmati PNRe3
- Treatment
- higher level of nitrogen (100 kg N/ha)e3
- Outcome
- performed welle3
- Qualifier
- dwarf plant characteristicse3
Not reportedComparatorDirection
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e3“Genotype Basmati PNR having dwarf plant characteristics performed well at higher level of nitrogen (100 kg N/ha), while other genotypes having medium plant height responded well at lower level of nitrogen (52-56 kg N/ha)”
Claim · model-written summary
Other Basmati rice genotypes, with medium plant height, responded well at 52-56 kg N/ha.
- Taxon
- Basmati ricee0
- Material
- other genotypese3
- Treatment
- lower level of nitrogen (52-56 kg N/ha)e3
- Outcome
- responded welle3
Not reportedComparatorDirection
Verbatim
e0“The experiment was conducted with different Basmati rice varieties at the Bangladesh Rice Research Institute (BRRI) farm, Gazipur”
e3“Genotype Basmati PNR having dwarf plant characteristics performed well at higher level of nitrogen (100 kg N/ha), while other genotypes having medium plant height responded well at lower level of nitrogen (52-56 kg N/ha)”
The same questions in other papers
nitrogen · yield · Oryza sativa (rice)Positive and negative results
1,802 papers in the same direction as this paper · 193 in the opposite direction · 49 reporting no difference from an alternative
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