2. Seeding and seedling raising: the amount of seeds used per mu of field is about 500 grams. When the weather is dry, water should be poured 1 time every morning and evening, and light fertilizer should be applied once every 5-7 days.

3. Soil preparation and fertilization: an appropriate amount of urea, phosphate fertilizer and human and animal manure can be removed per mu of land.

4. Planting: Plant when the seedlings grow to 12- 15 cm.

5. Field management: After the survival of field planting, Ying Qin applied manure. Pest control: zineb, carbendazim, enemy killing, etc.