Weldegebriel, Redai, Araya, Tesfay, AND G.Egziabher, Yemane. " Effect of NPK and Blended Fertilizer Application on Nutrient Uptake and Use Efficiency of Selected Sorghum (Sorghum bicolor (L.) Moench) Varieties Under Rain-fed Condition in Sheraro District, Northern Ethiopia" Momona Ethiopian Journal of Science [Online], Volume 10 Number 1 (7 June 2018)