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Fanosie Mekonen

Potential Speaker for Agriculture Conference 2021 - Fanosie Mekonen
Fanosie Mekonen
Ministry of Agriculture, Ethiopia
Title : Response of Tef (Eragrostis tef Zucc. Trotter) to potassium fertilizer application and nutrient stress symptom under field and greenhouse conditions in four districts of north Shewa, Ethiopia and gilat,Israel

Abstract:

Agriculture has been the major driver of the Ethiopian economy and the main source of livelihood of the rural population. Ethiopia has about 38% cultivated and 24% potential arable land. The field experiment was conducted during 2015/2016 cropping season in Oromia and Amhara regions of Ethiopia with the objective of determining the yield response and nutrient uptake of tef to potassium fertilization on Vertisols. The treatments contained five rates of K fertilizers (0, 30, 60, 90 and 120 kg/ha) and recommended NPSZn blended fertilizer and urea. The experiment was laid out in RCBD with three replications. The tef variety used in the three experimental locations (Sululta, Mulo and Bereh) was Kuncho while Dega tef was used in Moretena Jiru. The greenhouse experiment was conducted in Gilat Research center (Israel) with the objective of assessing specific phenotypic nutrient deficiency symptoms of tef under no other nutrient limiting conditions. It contained 29 treatments and four replications with three levels (zero, low and optimum level) of nutrients. Two tef varieties (fast and late growing) were used as a test crop. Results of the experiment showed that yield and yield parameter except straw yield were highly significantly (p≤0.05) affected by application of K fertilizer. The highest grain yield (2.0-3.0 t/ha) was recorded with the application of 90 kg/ha of K. Moreover the N and P nutrient concentrations in the grain were greater than the nitrogen and phosphorus nutrient concentrations in straw, whereas the inverse is true for P nutrient concentration in the study sites. Nutrient deficiency symptoms showed stunted growth, yellowing of leaves, interveinal yellowing of leaves, shortened internodes, or abnormal coloration such as red, purple, or bronze leaves; lodging effect of K deficiency. The results in general showed that, potassium fertilizer rates brought significant differences among treatments for yield and yield parameter. However, it might also be necessary to refine the treatments which include a wide difference in level of K based on the soil fertility status and crop requirement. The greenhouse experiment was conducted in Gilat Research center (Israel) with the objective of assessing specific phenotypic nutrient deficiency symptoms of tef under no other nutrient limiting conditions. It contained 29 treatments and four replications with three levels (zero, low and optimum level) of nutrients. Two tef varieties (red and white) were used as a test crop. Nutrient deficiency symptoms showed that stunted growth, yellowing of leaves, interveinal yellowing of leaves, shortened internodes, or abnormal coloration such as red, purple, or bronze leaves; and roots also show short and dispersed when the nutrients were deficient. Generally phosphorus is more important for tef production than nitrogen and any other nutrients.

 

 

Biography:

Fanosie Mekonen G/hawariyat was born in 1969 E.C. in Aseko woreda, Arsi zone of Oromia Administrative region, Ethiopia. From 1976 to 1978, I attended elementary education at Kara fenissa elementary school, from 1979 to 1980 Ec junior secondary school at Aseko Junior Secondary School and from 1981 to 1986 E.C., I attended Gelemso senior secondary school.  In 1986/87, I joined Hawassa University Wondo Genet campus   and graduated with Diploma in Forestry. After graduation in June 1988 E.C., I was employed by Oromia Regional State Bureau of Agriculture and has worked as a forester in Arsi state forest. And from 1997 to 2001 E.C., I studied my BSc degree in Wondo Genet Forestry College in natural resource management. From 2002 E.C up to 2004 E.C I have worked in Sululta wereda Agricultural office as a processes owner of natural resource department. Then in 2017, I Graduated M.Sc. Degree in soil science from Hawassa University. From 2005 E.C until now I am working for MoA in soil fertility management improvement directorate as a senior soil fertility expert.

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