دوره 6، شماره 1 - ( 12-1395 )
جلد 6 شماره 1 صفحات 10-4 |
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Iqbal M, Akter M, Chandra Biswas J, Islam A. Performance of Nitrogen Phosphorus compound fertilizer in Boro rice. J Emerg Health Care 2017; 6 (1) :4-10
URL: http://intjmi.com/article-1-263-fa.html
URL: http://intjmi.com/article-1-263-fa.html
Performance of Nitrogen Phosphorus compound fertilizer in Boro rice. . 1395; 6 (1) :4-10
چکیده: (7666 مشاهده)
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.
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