Basic technical methods of rice seedling raising How to raise seedlings?

1. Proper temperature to accelerate germination: Cover the seeds soaked in water with a bag to ensure the air needed for seed germination, and keep warm indoors at night. The suitable temperature for accelerating germination is 30℃. If it is too low, it will germinate slowly, and if it is too high, it will burn. When the seeds turn white (germinate), they can be planted.

2. Conventional wet seedling raising: before the leaves come out, the edges are not watered, and the humidity is 0 degrees; After the leaves are released, they should often be irrigated with shallow water, so as to adjust the temperature and fertilizer with water and promote germination.

3. Raise seedlings in greenhouse or small arch shed. From sowing to 1, the leaves at the heart stage 1 are covered with plastic film and kept warm. The temperature in the membrane is 26-365438 0℃. At noon on a sunny day, uncover two layers of membranes for ventilation to avoid overheating of seedlings, and then seal and keep warm in the morning and evening. After 1 leaf 1 heart, the seedlings were gradually refined. After 3 leaves of 1 heart, when the temperature is stable above 13℃, you can choose to uncover the film in sunny morning, and you must irrigate the seedlings before uncovering the film to prevent the temperature change from having a great impact on the seedlings.