Modeling the Factors Affecting Cereal Crop Yields in Ethiopia - Hussien, Yunus
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According to multiple regression results all the studied cereals mean yields are affected by zone, fertilizer type and crop damage effects. In addition to this, barley is affected by extension programme; maize crop by seed type, irrigation, and protection of soil erosion; sorghum and teff crops are additionally affected by crop prevention method, extension programme, protection of soil erosion, and gender of the household head; and wheat crop by crop prevention methods, extension programme and gender of the household head. The results from the mixed model analysis were entirely different from…mehr

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Produktbeschreibung
According to multiple regression results all the studied cereals mean yields are affected by zone, fertilizer type and crop damage effects. In addition to this, barley is affected by extension programme; maize crop by seed type, irrigation, and protection of soil erosion; sorghum and teff crops are additionally affected by crop prevention method, extension programme, protection of soil erosion, and gender of the household head; and wheat crop by crop prevention methods, extension programme and gender of the household head. The results from the mixed model analysis were entirely different from the regression results due to the observed dependencies of the cereals mean yields on the sampling unit. Based on the hierarchical cluster analysis, five groups of classes (clusters) were identified which seem to be in agreement with the geographical neighbouring positions of the locations and the similarity of the type of crops produced.
Autorenporträt
Mr Yunus Hussien Mohammed graduated with B.Sc degree from the Haromaya University in Agricultural Economics. In 2010, he obtained his M.Sc degree from the University of KwaZulu-Natal in Statistics. Mr Yunus has more than eight years of work experience as Statistician at the Central Statistical Agency of Ethiopia.