1. Seed soaking. Soak the dry seeds in warm water at 55℃~60℃ for 15 minutes with constant stirring, then soak the seeds in water at 28℃-30℃ for about 6 hours.
Second, the germination. Wrap the soaked seeds with a damp cloth. Keep the temperature at 25℃-30℃ during the day and 18℃-20℃ at night. After 80% of the seeds are white, choose sunny days for sowing. In order to ensure that the seeds are free of pathogens, they can also be treated with chemicals. Before sowing, dress the seeds with a new high-fat film, which can keep warm, moisturize and swell, increase the germination rate of the seeds and make the seedlings strong. Repel underground pests and isolate virus infections. It can also be mixed with seed coating agents.
3. Preparation of seedling nutrient soil. The principles for the selection of nutrient soil are: good air permeability, heat preservation, moisture retention, water seepage, the ratio of substrate to organic fertilizer is 3:2, and the organic fertilizer should be fully decomposed. In addition, add 100g of 50% carbendazim powder and 1kg of compound fertilizer to each nutrient soil matrix, mix them evenly, and put them in a plastic bowl.
4. Seedling management. Raise seedlings in the greenhouse, and keep the indoor temperature at 28℃-32℃ during the day and 17℃-20℃ at night before emergence. In order to prevent the occurrence of disease, after all seedlings emerge, the roots are irrigated with 700 times liquid of 72.2% Pulique water. Seedlings were refined 7 days before planting.
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