World Journal of Agricultural Research
ISSN (Print): 2333-0643 ISSN (Online): 2333-0678 Website: Editor-in-chief: Rener Luciano de Souza Ferraz
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World Journal of Agricultural Research. 2018, 6(2), 58-64
DOI: 10.12691/wjar-6-2-4
Open AccessArticle

Growth Parameter and Yield Attributes of Rice (Oryza Sativa) as Influenced by Different Combination of Nitrogen Sources

Sangita Karki1, , Nabin Sharma Poudel2, Gopal Bhusal3, Suresh Simkhada2, Bhishma Raj Regmi2, Bhuwan Adhikari3 and Sanjok Poudel1

1Department of Agricultural and Environmental Sciences, Tuskegee University, Alabama, USA

2Agriculture and Forestry University, Chitwan, Nepal

3Tribhuvan University, Kathmandu, Nepal

Pub. Date: April 16, 2018

Cite this paper:
Sangita Karki, Nabin Sharma Poudel, Gopal Bhusal, Suresh Simkhada, Bhishma Raj Regmi, Bhuwan Adhikari and Sanjok Poudel. Growth Parameter and Yield Attributes of Rice (Oryza Sativa) as Influenced by Different Combination of Nitrogen Sources. World Journal of Agricultural Research. 2018; 6(2):58-64. doi: 10.12691/wjar-6-2-4


The study was carried out in agronomy farm of Paklihawa Campus, IAAS, Rupandehi, Nepal. The objective of the study was to determine the response of rice as influenced by different combination of organic and inorganic nitrogen sources. The study consists of three nitrogen sources i.e. urea, farmyard manure and blue green algae at various levels comprising seven treatments in randomized complete block design with three replications. Rice seedling were raised in wet nursery bed and transplanted in experimental plots. Growth parameters, yield attributing traits and grain yield of rice were recorded. Result indicates that treatment combination of 75% of recommended dose of nitrogen (90 kg ha-1), farmyard manure (5 tons ha-1) and blue green algae (9 kg ha-1) contributes to higher plant height (96.13 cm), effective tiller per square meter (345.6), filled grain per panicle (180.9), grain yield (4.787 tons ha-1), and straw yield (9.07 ton ha-1) (p < 0.05). Also, there was a positive correlation between the grain yield and effective tillers per square meter (R2=0.254), grain yield and number of filled grains per panicle (R2=0.315). Hence, 75% of recommended dose of nitrogen (90 kg ha-1), farmyard manure (5 tons ha-1) and blue green algae (9 kg ha-1) were found to improve plant characteristics thus improving rice yield.

blue green algae Farmyard manure Urea

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