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:: Volume 6, Issue 1 (3-2017) ::
Int J Med Invest 2017, 6(1): 4-10 Back to browse issues page
Performance of Nitrogen Phosphorus compound fertilizer in Boro rice
Mosud Iqbal , Mahmuda Akter , Jatish Chandra Biswas , Aminul Islam *
Soil Science Division, Bangladesh Rice Research Institute (BRRI), Gazipur, Bangladesh
Abstract:   (7054 Views)
Evaluation of new nutrient sources plays an important role in crop production. A field experiment was conducted at BRRI, Gazipur and at BRRI regional station, Sonagazi, Feni during Boro season of 2014-15. A new fertilizer, NP compound (NPC) was evaluated and compared the performances with di-ammonium phosphate (DAP). Test crop was BRRI dhan29. At Gazipur site, phosphorus (P) control plot produced only 1.97 t ha-1 grain yield that increased with added P along with two N rates. At lower N doses, application of P either from DAP or NPC produced similar grain yield. It was observed that 30% less N produced statistically similar grain yield to 100% N, irrespective of P sources. It can be inferred that 30% N could be saved without significant reduction of rice yield. At Sonagazi site, application of P either from DAP or NPC could not increase rice grain yields compared to P control plot. From the results of both sites it can be concluded that NPC and DAP performed equally either with 100% N or 30% less N rates.
Keywords: NPC, DAP, rice yield
Full-Text [PDF 339 kb]   (2647 Downloads)    
Type of Study: Research | Subject: General
References
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Iqbal M, Akter M, Chandra Biswas J, Islam A. Performance of Nitrogen Phosphorus compound fertilizer in Boro rice. Int J Med Invest 2017; 6 (1) :4-10
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Volume 6, Issue 1 (3-2017) Back to browse issues page
International Journal of Medical Investigation
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