EFFECTS OF BLENDED NPS AND NITROGEN FERTILIZERS RATES ON YIELD COMPONENTS AND YIELD OF TEF [Eragrostis tef (Zucc.) Trotter] AT ADOLA DISTRICT, SOUTHERN ETHIOPIA

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Abstract:

Tef is a highly valued crop in the national diet of Ethiopians and the major crops grown in Adola District, Guji Zone, Oromia Region. However, its productivity is low due to declining soil fertility as result of intensive soil erosion and long history of cultivation. Therefore, a field experiment was carried out on sub site of Bore Agricultural Research Center in Adola District during the 2018 main cropping season to assess the effect of blended NPS and N fertilizers rates on yield components and yield of tef and to identify the economically feasible rates of blended NPS and N fertilizers for high yield of tef production in the study area. The treatments consisted of factorial combinations of four levels of blended NPS (0, 50, 100 and 150 kg NPS ha-1) and four levels of nitrogen (0, 23, 46 and 69 kg N ha-1) fertilizer rates. The experiment was laid out as a randomized complete block design with three replications. Analysis of the results revealed that total tillers (TT), productive tillers (PT), thousand kernels weight (TKW) and lodging index (LI) were highly significant (P

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EFFECTS OF BLENDED NPS AND NITROGEN FERTILIZERS RATES ON YIELD COMPONENTS AND YIELD OF TEF [Eragrostis tef (Zucc.) Trotter] AT ADOLA DISTRICT, SOUTHERN ETHIOPIA

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