Growth and instability in area, yield and production of tomato in Ethiopia

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International Journal of Development Research

Growth and instability in area, yield and production of tomato in Ethiopia

Abstract: 

The study measured the growth and instability in area, production, and yield of the vegetable crop tomato in Ethiopia based on secondary data during 1991/92-2013/14 using different statistical techniques. Compound growth rates of area, production and yield were estimated by fitting semi-log trend equation. The study analyzed that, a negative annual percentage change was experienced in yield and a positive annual percentage change was observed in area and production over the study period. Analysis of annual compound growth rate in area showed a positive growth rate per annum that is greater than the growth rate in yield and production shows a positive non significant growth rate. The compound annual growth rate of yield was negative. The coefficient of variation of area and yield of tomato were 15.57 and 18.82 percent respectively. Even though both of area and yield of tomato are unstable, yield showed higher instability than area. Further, the study fitted the linear regression to test the dependency of production of tomato on its respective area. And the result showed that, the relationship between area and production was no significant and week. Therefore to meet the increasing demand of the private investors, commercial farms as well as the households, The Ethiopian National Agricultural Research System need to release productive tomato varieties.

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