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dc.contributorBado, Vincenten_US
dc.contributorMel, Valere Cesseen_US
dc.creatorDjaman, Koffien_US
dc.identifier.citationKoffi Djaman, Vincent Bado, Valere Cesse Mel. (5/1/2016). Effect of nitrogen fertilizer on yield and nitrogen use efficiency of four aromatic rice varieties. Emirates Journal of Food and Agriculture, 28(2), pp. 126-135.en_US
dc.description.abstractThe objective of this study was to optimize nitrogen fertilizer for higher yield and nitrogen use efficiency of four aromatic rice varieties. Field experiments were conducted at Ndiaye and Fanaye (Senegal) during the hot and dry season 2012 and the wet season 2012 to evaluate the effect of nitrogen on rice yield and nitrogen use efficiency under phosphorus and potassium omission management. Five rates of nitrogen (0, 60, 90, 120 and 150 kg/ha) were associated with P (26 kg P/ha); or P-K (26 kg P/ha and 50 kg K/ha). Four aromatic rice varieties Pusa Basmati, Sahel 329, Sahel 177 and Sahel 328 and a non-aromatic variety Sahel 108 were evaluated. Results showed that across genotypes, rice yield varied from 3.3 to 8.6 Mg/ha under N-P fertilizer and from 3.5 to 8.8 Mg/ha under N-P-K fertilizer at Ndiaye. At Fanaye, rice yield varied from 3.7 to 8.6 Mg/ha under N-P fertilizer and from 3 to 10.3 Mg/ha under N-P-K fertilizer. The highest grain yield was obtained by Sahel 177 among the aromatic rice varieties. The optimum nitrogen dose varied with rice genotype and location. The PFPN and the ANUE were influenced by genotype and varied from 161 to 28 kg grain/kg N and from 105.9 to 0.9 kg grain/kg N, respectively. The highest PFPN was obtained by Sahel 108 followed by Sahel 177. K addition to N-P significantly increased ANUE from 6.4 to 20.78 kg grain/kg N. The aromatic rice variety Sahel 177 is the performing alternative to the non-aromatic rice Sahel 108 in Senegal.en_US
dc.publisherCollege of Food and Agriculture, United Arab Emirates Universityen_US
dc.sourceEmirates Journal of Food and Agriculture;28,(2016) Pagination 126,135en_US
dc.subjectaromatic riceen_US
dc.subjectnitrogen use efficiencyen_US
dc.subjectproduction functionen_US
dc.titleEffect of nitrogen fertilizer on yield and nitrogen use efficiency of four aromatic rice varietiesen_US
dc.typeJournal Articleen_US
cg.contributor.centerAfrica Rice Center - AfricaRiceen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.crpCRP on Dryland Systems - DSen_US
cg.contributor.funderNot Applicableen_US
cg.coverage.regionWestern Africaen_US
dc.identifier.statusOpen accessen_US
cg.journalEmirates Journal of Food and Agricultureen_US

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