Abstract
Field experiment was conducted during 2012/13 and 2013/14 cropping season at Kafta Humera to evaluate sesame response to Urea and Ammonium sulfate. Treatments were: 0, 41 N from urea+20P, 20 N from...
Highlights
Ethiopia is the Sixth largest sesame producer in the world (FAOSTAT, 2012) and third sesame exporter next to Nigeria and India (Ministry of Trade, 2013)
Except for soil organic carbon (OC) and soil total Nitrogen (TN) analysis which passed through 0.5 mm sieve; soil pass through 2 mm diameter mesh sieve and laboratory analysis were made for Texture, pH, available Phosphorus, and Cation Exchange Capacity (CEC) following their respective standard procedures at Mekelle Soil, Plant and Water Analytical Laboratory
The total percentage of organic matter and Total Nitrogen were Low as prescribed by Tadesse, Haque, and Aduayi (1991) while very low in available phosphorus according to the availability index suggested by Cottenie (1980)
Summary
Ethiopia is the Sixth largest sesame producer in the world (FAOSTAT, 2012) and third sesame exporter next to Nigeria and India (Ministry of Trade, 2013). There are few or no studies comparing and evaluating Ammonium sulfate and Urea for major cereal, and oil crops especially sesame crop in the country in Kafta Humera. Studies of this type are needed to allow Farmers to make informed about alternative N and S fertilizer use. Such major research effort was required to halt and reverse the situation and develop improved and alternate fertilizer options if long-term productivity is to be secured in this area
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