Soybean sprouts are a kind of nutritious and delicious vegetable, which is the source of more protein and vitamins. It takes about 4 days for soybeans to germinate. Method: Prepare a big basket with cloth inside to facilitate water permeability. Soak the beans in clear water for 3 to 4 hours, then drain the water, and then water them once every 10 hour, twice a day. When the temperature is above 35 degrees Celsius, bean sprouts can grow in 4 days. It takes about 7 days to 10 days when it is cold. When soaking hair, you should do the following:

1, when the bean sprouts grow to 15 mm long, they should be watered thoroughly, leaving no dead ends to prevent red roots from rotting.

2, master the water temperature, water regularly, water should not be hot and cold, in case the bud roots turn reddish brown.

3. The watering temperature should not be too high and the water head should not be too short, otherwise the bean sprouts will only grow roots and not stalks.

4. When the bud grows to 50 mm, it is necessary to increase the water temperature and heat to prevent the bud root from blackening.

5. After the bean sprouts are ready, lower the water temperature for the last three times and take them out in time after germination to prevent the bean sprouts from rotting halfway.