方法： Ingredients: garden soil, mature compost, sand, bone meal, and agricultural lime. Preparation steps: 1. Mix garden soil and mature compost in a ratio of 3:1. 2. Add sand to adjust water retention and permeability. 3. Mix in bone meal and agricultural lime according to the soil testing results. 4. Thoroughly mix all ingredients. 5. Allow the mixture to stand for 2-3 days before use.
The initial shaping and care of Zelkova serrata bonsai: Key points for the initial shaping and maintenance of Zelkova serrata bonsai.
