1、 Methods to improve the germination rate of leek seeds:

1. Seed selection: whether bagged or bulk seeds, they should be dried for 2-3 days, and then screened to avoid bad seeds

2. Seed soaking: seeds should be soaked before scalding. Soak in water that has not been used for seeds. The temperature of seed soaking is kept at about 20 ℃, and the time of seed soaking is one day and one night

3. Blanching: when blanching, control the water temperature at 55-60 ℃ for 20 minutes. If you want to keep constant temperature, you can keep the thermometer in water and pour hot water when the water temperature is too low. If you want the seeds to feel the same temperature, keep stirring

4. Sprouting: wash the soaked seeds with running water, wrap them with clean cloth, put them into tile pots, cover them with warm cloth and put them at a place above or below 20 ℃. During operation, it is recommended to often stir it and wash it with warm water every day. Then dry it and press it again. Generally, after 2-3 days, it can be planted after it turns white. Sowing shall be evenly sown and covered with 2cm thick fine soil

2、 Sowing time:

It is suggested to choose the sowing time of leek from late March to early May. Spring sowing is the best. If you want to sow in summer, you must do it as soon as possible. It can be planted in Shandong after September