Optimizing soil amendments for food barley: biochar, wood ash, and lime synergies on acidic clay loam soil in Northeastern Ethiopia.
Soil acidity, characterized by aluminum toxicity and nutrient fixation, significantly limits food barley production in the Ethiopian highlands. This study evaluated the individual and combined effects of Biochar, wood ash, and lime on soil properties, barley yield, and economic returns in Legambo District. A field expe...