Effects of integrated use of coffee husk and maize straw biochar‐based fertilizers on maize yields, nutrient uptake and soil properties in southern Ethiopia
In Ethiopia, the use of fertilizer is low due to high cost and limited availability, leading to low yields. Using organic amendment, such as biochar together with mineral fertilizers could be a more effective solution. A field experiment was conducted in clay‐textured soil with a slightly acidic pH of 5.82, located in...