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1. Before sowing, it is necessary to soak the seeds in warm and cold boiling water for about 4 days, so that they can fully absorb water, which is conducive to improving the germination rate. The row spacing of sowing plants is 10x20 cm, the depth is better to cover the seeds, and then cover the grass to keep moisture. After sowing, spray water once a day, and the grass cover can be removed after about 8 days. In addition, avoid exposure to the sun and do a good job of shading.
2. Seeds can generally germinate about 40 days after sowing. Pay attention to the spacing between seedlings. If it is too dense, the seedlings can be transplanted with soil in the vacant place. Also, avoid watering the new seedlings to ensure the survival rate of the seedlings. When the seedlings grow about 6 leaves, they can be properly drenched with some biogas dilution water. It is best not to use chemical fertilizers. Seedlings grow slowly, so they can be transplanted after 1 year, with a plant spacing and row spacing of 20 cm, or they can be moved into nutrient bags, 1 plant per bag. After 3 years of seedlings, the height of the seedlings can reach 1-1.3 meters, the crown width can reach 1 square meter, and the crowns are tower-shaped, which can be used in gardens or continue to grow into large seedlings.