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Bulk of Adama red onion variety is highly produced in Rift valley areas of Ethiopia (Alage is found in this area), but the productivity is declining due to continuous cultivation, high soil pH and other factors, in order to improve the productivity of the crop, applying organic (farm yard manure) and inorganic (nitrogen and phosphorus) fertilizers in the research area shows a promising result in improving the yield of the crop as well as physical and chemical properties of the soil.

Produktbeschreibung
Bulk of Adama red onion variety is highly produced in Rift valley areas of Ethiopia (Alage is found in this area), but the productivity is declining due to continuous cultivation, high soil pH and other factors, in order to improve the productivity of the crop, applying organic (farm yard manure) and inorganic (nitrogen and phosphorus) fertilizers in the research area shows a promising result in improving the yield of the crop as well as physical and chemical properties of the soil.
Autorenporträt
Mr. Melaku Fisseha has has been graduated BSc in Dry land crop science from Mekelle University and gain his MSc Degree in Horticulture from Haramaya University. He worked in Alage ATVET College as instructor from October 2003 to August 2010. Currently he is lecturer in Dilla University.