Determination of Optimum Rates of N and P Fertilizer for Tomato at Mereb-lekhe District, Northern Ethiopia

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Yemane Kahsay, Alemat Embaye and Guesh Tekle
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Journal of Agriculture and Crops, 2016, vol. 2, issue 3, pages 24-30

Abstract: A field experiment was conducted on at M.lekhe district (Ethiopia) during 2002 and 2003 years to investigate the response of tomato to rates of Nitrogen (N) and Phosphorus (P) fertilizers. The treatment consisted of factorial combination of four Nitrogen fertilizers rates (50 kg, 100 and 150 urea/ha) and four P rates (100,150 and 200 DAP/ha) arranged in a Randomized Complete Block Design. Statistically significant and highest yield per plant was recorded at the highest rate of DAP (200 kg/ha). The significantly lowest yield was found at the zero level (with out DAP applied). The marketable yield in Q/ha of the rates is 939.96, 822.44, 731.1067 and 421.44 for 200, 150, 100 and 0 rates respectively. As the partiual budget analisis showed increasing rate of phosphorus and urea fertilizersincreased profitability until 200 kg/ha and 150 kg/ha respectively.

Keywords: Fertilizer; Rate and Yield. (search for similar items in EconPapers)
Date: 2016
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